Static plasma flame ablation test system and working method thereof

Abstract

The invention discloses a static plasma flame ablation test system which comprises a plasma control cabinet, a switching cabinet, a plasma spray gun, a plasma power supply, a liquid material powder feeder, a powder feeder, a six-axis manipulator, a manipulator control cabinet, an infrared thermometer, a tensile machine, a cooling-water machine, an air compressor system, a freezing dryer, a nitrogen making machine, an induced draft fan and a centralized control cabinet. High-temperature ablation, particle erosion and liquid loading tests are realized; the working method of the system comprises the steps of system starting, ablated sample piece installation, ablated process control, particle erosion and liquid loading test, and tensile test and data recording and analysis after the test is completed. Parameters of the plasma spray gun are accurately regulated and controlled through the plasma control cabinet, temperature data are fed back in real time through the infrared thermometer, and the position of the spray gun is accurately adjusted through the six-axis mechanical arm. The device has the advantages of multifunctional integration, high-precision control, automatic operation, integrated design, safety, reliability and the like, and is suitable for ablation tests of various high-performance materials.

Description

Technical Field

[0001] The present invention relates to the field of thermal spraying technology, and in particular to a static plasma flame ablation test system for ablation testing of high-performance materials (such as engine blades) and a working method thereof. Background Art

[0002] In the aerospace, automotive, and energy sectors, performance testing of high-performance materials (such as engine blades and high-temperature alloys) is critical to ensuring their reliability and durability. Ablation testing is an important means of evaluating the performance of these materials under complex operating conditions such as high temperatures, high-velocity airflow, and particle erosion. However, existing ablation testing systems have the following shortcomings: ① Single function: Most existing systems can only perform a single ablation test and cannot simultaneously simulate multiple working conditions such as high temperature, particle erosion, and liquid loading; ② Insufficient control accuracy: Existing systems have low accuracy in adjusting temperature control and particle erosion conditions, making it difficult to meet the strict requirements of high-performance material testing; ③ Low degree of automation: Most existing systems rely on manual operation and cannot achieve automation and precise control, resulting in low test efficiency and poor repeatability; ④ Poor integration: The lack of effective integration between the various components of the existing system leads to complex equipment, cumbersome operation and high maintenance costs. Summary of the Invention

[0003] The technical problem to be solved by this invention is to provide a static plasma flame ablation test system and operating method to overcome the shortcomings of existing technologies and enable precise ablation testing of high-performance materials. The system can simultaneously perform high-temperature ablation, particle erosion, and liquid loading tests, meeting the simulation requirements of various complex working conditions. It also features high-precision control, automated operation, and an integrated design.

[0004] The technical solutions adopted by the present invention to solve the technical problems are as follows: A static plasma flame ablation test system includes a plasma control cabinet, an adapter cabinet, a plasma spray gun, a plasma power supply, a liquid powder feeder, a powder powder feeder, a six-axis manipulator, a robot control cabinet, an infrared thermometer, a tensile testing machine, a chiller, an air compressor system, a cold dryer, a nitrogen generator, an induced draft fan and a centralized control cabinet; the plasma control cabinet is used to control the arc ignition, current regulation and nitrogen flow control of the plasma spray gun; the adapter cabinet is used to connect the plasma power supply, the chiller and the plasma spray gun to realize the transmission of cooling water and power; the plasma spray gun Used to generate plasma flame and perform ablation treatment on the ablation sample; the plasma power supply is electrically connected to the plasma control cabinet to provide direct current to the plasma spray gun; the liquid powder feeder is connected to the plasma spray gun through a pipeline to provide loading test of various liquids such as water, alcohol, kerosene, etc.; the powder feeder is connected to the plasma spray gun through a pipeline to provide particles required for particle erosion test; the end of the robot arm of the six-axis manipulator is connected to the plasma spray gun to clamp the plasma spray gun and adjust the plasma spray gun and ablation according to the preset program The relative position and angle of the sample; the manipulator control cabinet is electrically connected to the six-axis manipulator to control the movement of the six-axis manipulator; the infrared thermometer is used to monitor the temperature of the ablated sample in real time and transmit the temperature data to the plasma control cabinet; the tensile machine is used to fix the ablated sample and perform tensile testing on it; the inlet and outlet pipes of the chiller are connected to the plasma spray gun through the adapter cabinet to provide cooling circulating water for the plasma spray gun; the output end of the air compressor system is respectively connected to the cold dryer and the nitrogen generator to provide compression for the air compressor system Air is used for cooling the ablation samples and operating the nitrogen generator; the cold dryer is used to dry the compressed air provided by the air compressor system to ensure the purity of the air; the input end of the nitrogen generator is connected to the cold dryer, and the output end is connected to the plasma control cabinet, and high-purity nitrogen is provided through gas separation processing; the induced draft fan is used to exhaust the ablation room to ensure the circulation of heat dissipation air flow; the centralized control cabinet is electrically connected to the air compressor system, nitrogen generator and induced draft fan, and is used to centrally control the operation of the air compressor system, nitrogen generator and induced draft fan.

[0005] Preferably, the plasma control cabinet 1 includes a PLC controller, a current regulator and a communication module. The PLC controller is used to control the mass flow meter to accurately adjust the nitrogen flow rate; the current regulator is used to adjust the current of the plasma spray gun; the communication module is used to receive temperature data transmitted by the infrared thermometer and adjust the current and nitrogen flow rate of the plasma spray gun according to the temperature data.

[0006] Preferably, the copper module of the adapter cabinet 2 includes a power interface, a cooling water interface and a spray gun interface. The power interface is used to connect the cable of the plasma power supply 4; the cooling water interface is used to connect the inlet and outlet water pipes of the chiller; the spray gun interface is used to connect to the anode and cathode interfaces of the plasma spray gun through a water cable.

[0007] Preferably, the motion range of the six-axis manipulator can cover the entire surface of the ablation sample, and the motion accuracy of the six-axis manipulator can meet the requirements of the ablation test.

[0008] Preferably, the infrared thermometer includes a temperature measuring probe and a data transmission module, wherein the temperature measuring probe is used to monitor the temperature of the ablated sample in real time; and the data transmission module is used to transmit the measured temperature data to the plasma control cabinet.

[0009] Preferably, the tensile testing machine includes a fixing device, a stretching device and a data acquisition module, wherein the fixing device is used to fix the ablation sample; the stretching device is used to apply a stretching force to the ablation sample; and the data acquisition module is used to collect mechanical property data of the ablation sample during the stretching process.

[0010] Preferably, the centralized control cabinet 16 includes a control module, a display module and an alarm module. The control module is used to centrally control the operation of the air compressor system 12, the nitrogen generator 14 and the induced draft fan 15; the display module is used to display the operating status of each device; and the alarm module is used to issue an alarm when the equipment operates abnormally.

[0011] A method for performing an ablation test using the static plasma flame ablation test system described above comprises the following steps: S1. Start the nitrogen generator and deliver high-purity nitrogen to the plasma control cabinet through gas separation processing; S2. Start the chiller to provide cooling circulating water for the plasma spray gun; S3. Start the air compressor system to provide compressed air for cooling the ablated sample and operating the nitrogen generator; S4. Start the cold dryer to dry the compressed air to ensure the purity of the air; S5. Start the induced draft fan to extract air from the ablation room to ensure the circulation of heat dissipation airflow; S6. Start the plasma power supply, connect it to the plasma spray gun through the adapter cabinet, and provide it with direct current; S7. Install the ablated sample on the tensile testing machine and install the plasma spray gun on the six-axis manipulator; S8. Control the arc of the spray gun through the plasma control cabinet to generate plasma flame; S9, controlling the plasma spray gun through the six-axis manipulator to perform ablation treatment on the ablation sample; S10. Use an infrared thermometer to monitor the temperature of the ablated sample in real time, and adjust the spray gun current and nitrogen flow rate through the plasma control cabinet to keep the ablation temperature constant; S11. Provide particle erosion and liquid loading tests for ablated samples using a powder feeder and a liquid feeder, respectively, as needed; S12. After ablation is completed, the ablated sample is subjected to a tensile test using a tensile testing machine to evaluate its performance changes.

[0012] Preferably, in step S10 , the temperature of the ablated sample is assisted in being controlled by adjusting the distance between the plasma spray gun and the ablated sample, so as to achieve more precise temperature control.

[0013] Preferably, in step S11, the particle erosion test and the liquid loading test can be used individually or in combination according to different test requirements to simulate the effects of different working conditions on the ablation sample.

[0014] The static plasma flame ablation test system of this invention utilizes highly integrated equipment and precise control mechanisms to enable ablation testing of high-performance materials (such as engine blades) under complex operating conditions. The following describes the system's operating principles in detail: A. System startup and preparation: (1) Start the nitrogen generator: The nitrogen generator is started first, and high-purity nitrogen is extracted from the compressed air provided by the air compressor system through gas separation processing; the extracted high-purity nitrogen is transported to the plasma control cabinet through a pipeline to provide protective gas for the plasma spray gun, ensuring the stability and safety of the plasma flame.

[0015] (2) Chiller start-up: The chiller starts to provide cooling circulating water for the plasma spray gun; the cooling water enters the plasma spray gun through the piping system of the transfer cabinet to prevent the spray gun from being damaged at high temperatures and ensure the stable operation of the equipment.

[0016] (3) Start the air compressor system: The air compressor system starts to provide compressed air for the air compressor system; the compressed air first passes through the cold dryer to remove moisture and impurities in the air to ensure the purity of the air; the dried compressed air is divided into two paths: one path enters the nitrogen generator, and the other path is used to cool the ablated sample.

[0017] (4) Start the induced draft fan: The induced draft fan is started to exhaust air from the ablation room to ensure the circulation of heat dissipation airflow. Through the action of the induced draft fan, the high-temperature gas and harmful substances generated during the ablation process are discharged in time to ensure the safety of the test environment.

[0018] B. Ablation test process: (1) Preparation of plasma spray gun: The plasma power supply is started and connected to the plasma spray gun through the adapter cabinet to provide it with direct current; the plasma control cabinet accurately controls the nitrogen flow and the current of the plasma spray gun through the PLC controller to ensure the stability of the plasma flame and the accuracy of the temperature.

[0019] (2) Installation of ablated samples: The ablated samples are installed on a tensile testing machine to fix the samples and conduct subsequent tensile tests; the plasma spray gun is installed at the end of the robotic arm of a six-axis manipulator, and the six-axis manipulator adjusts the relative position and angle between the spray gun and the ablated sample according to the preset program.

[0020] (3) Ablation process control: The plasma control cabinet controls the arc of the plasma spray gun to generate a plasma flame and ablate the ablation sample; the six-axis manipulator accurately adjusts the position and angle of the plasma spray gun according to the preset program to ensure the uniformity and consistency of the ablation process; the infrared thermometer monitors the temperature of the ablation sample in real time and transmits the temperature data to the plasma control cabinet; the plasma control cabinet adjusts the current and nitrogen flow of the plasma spray gun according to the temperature data fed back by the infrared thermometer to keep the ablation temperature constant.

[0021] (4) Particle erosion and liquid loading tests: According to the test requirements, the powder feeder and liquid feeder provide particle erosion and liquid loading tests respectively; the powder feeder feeds particles into the plasma flame to perform particle erosion tests on the ablation samples; the liquid feeder feeds liquid (such as water, alcohol, kerosene, etc.) into the plasma flame to perform liquid loading tests on the ablation samples; through particle erosion and liquid loading tests, different actual working conditions are simulated to evaluate the performance of the ablation samples in complex environments.

[0022] C. Test completion and evaluation: (1) Tensile test: After ablation is completed, the tensile testing machine performs a tensile test on the ablated sample; the fixing device of the tensile testing machine fixes the ablated sample, the tensile device applies tensile force to the sample, and the data acquisition module collects the mechanical properties data of the ablated sample during the tensile process; through the tensile test, the changes in the mechanical properties of the ablated sample after ablation are evaluated, providing an important basis for the performance evaluation of the material.

[0023] (2) Data recording and analysis: The data acquisition modules of the infrared thermometer and the tensile testing machine transmit the data collected during the test to the plasma control cabinet or the centralized control cabinet; through the data analysis software, a comprehensive analysis is performed on the ablation temperature, particle erosion effect, liquid loading effect and tensile test results to evaluate the performance changes of the ablated samples; based on the analysis results, the ablation test parameters are optimized to provide a scientific basis for the research and development and improvement of high-performance materials.

[0024] D. System integration and control: (1) Centralized control: The centralized control cabinet centrally controls the operation of the air compressor system, nitrogen generator and induced draft fan; the control module of the centralized control cabinet realizes the coordinated control of each device through electrical connection to ensure the stable operation of the system; the display module of the centralized control cabinet displays the operating status of each device in real time, and the alarm module issues an alarm when the equipment operates abnormally, reminding the operator to deal with it in time.

[0025] (2) Automation and precise control: The manipulator control cabinet controls the movement of the six-axis manipulator to realize the automation of the ablation process; the plasma control cabinet realizes precise control of the plasma spray gun through the PLC controller and communication module to ensure the stability and consistency of the ablation process; the real-time monitoring and feedback mechanism of the infrared thermometer further improves the control accuracy of the ablation temperature and ensures the reliability of the test results.

[0026] The positive beneficial effects of the present invention are as follows: 1. Multifunctional Design: The static plasma flame ablation test system of this invention can simultaneously perform multiple ablation tests, including high-temperature ablation, particle erosion, and liquid loading tests. This multifunctional integrated design enables the system to simulate complex real-world operating conditions, such as those of aerospace engine blades operating under high temperatures, high-velocity airflow, and particle erosion. This multifunctional design not only improves the comprehensiveness and accuracy of testing, but also reduces the cost and operational complexity associated with the use of multiple single-function devices.

[0027] 2. High-Precision Control: This invention achieves precise control of the ablation temperature through the synergistic effect of a plasma control cabinet and an infrared thermometer. The plasma control cabinet's PLC controller precisely adjusts the nitrogen flow rate and plasma torch current, ensuring plasma flame stability and temperature accuracy. The infrared thermometer monitors the temperature of the ablated sample in real time and feeds this data back to the plasma control cabinet, achieving closed-loop control. This high-precision control capability is crucial for testing the performance of high-performance materials under extreme conditions, providing more reliable and accurate test results.

[0028] 3. Automated Operation: This invention incorporates a six-axis manipulator and manipulator control cabinet to automate the ablation process. The six-axis manipulator precisely adjusts the relative position and angle between the plasma spray gun and the ablation sample according to a preset program, ensuring uniformity and consistency in the ablation process. The manipulator control cabinet controls the movement of the six-axis manipulator, improving test efficiency and repeatability. Automated operation not only reduces manual intervention and human error, but also enhances the safety and reliability of the testing process.

[0029] 4. Integrated Design: The static plasma flame ablation test system of this invention utilizes an integrated design, with all components centrally controlled through a switch cabinet and a centralized control cabinet. This design simplifies the equipment structure, reduces the complexity of inter-device connections, and improves system stability and reliability. The centralized control cabinet centrally controls the operation of the air compressor system, nitrogen generator, and induced draft fan, enabling coordinated operation of the equipment. This integrated design not only reduces maintenance costs but also extends the equipment's service life.

[0030] 5. Safety and Reliability: The static plasma flame ablation test system of this invention is equipped with an induced draft fan and a water chiller to ensure the safety of the ablation process and the stability of the equipment. The induced draft fan extracts air from the ablation chamber, ensuring heat dissipation and air circulation, preventing the accumulation of high temperatures and harmful gases. The water chiller provides cooling water for the plasma spray gun, preventing damage from high temperatures. These safety measures not only protect the equipment and operators, but also extend the service life of the equipment.

[0031] 6. High Efficiency and Energy Saving: The static plasma flame ablation test system of this invention achieves high efficiency and energy saving through optimized design and integrated control. The refrigerated dryer dries the compressed air provided by the air compressor system, ensuring air purity and improving compressed air utilization efficiency. The nitrogen generator provides high-purity nitrogen through gas separation, reducing nitrogen waste. In addition, the coordinated operation and automated control of various system components improve overall operating efficiency and reduce energy consumption.

[0032] 7. Wide Range of Applications: The static plasma flame ablation test system of this invention is suitable for ablation testing of a variety of high-performance materials, such as aerospace engine blades, high-temperature alloys, and ceramics. Its multifunctional integration and high-precision control capabilities enable it to meet the testing requirements of different materials under diverse operating conditions. Furthermore, the system's design offers a degree of flexibility, allowing for adjustment and optimization based on specific testing requirements, ensuring its broad applicability and widespread adoption. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the structural composition of the present invention; Figure 2 This is a block diagram of the working principle of the plasma control cabinet and infrared thermometer; Figure 3 This is a block diagram of the working principle of the transfer cabinet; Figure 4 This is a block diagram of the working principle of the centralized control cabinet; exist Figure 1 Among them, 1--plasma control cabinet, 2--adapter cabinet, 3--plasma spray gun, 4--plasma power supply, 5--liquid powder feeder, 6--powder powder feeder, 7--six-axis manipulator, 8--robot control cabinet, 9--infrared thermometer, 10--tensile testing machine, 11--chiller, 12--air compressor system, 13--cold dryer, 14--nitrogen generator, 15--induced draft fan, 16--central control cabinet. DETAILED DESCRIPTION

[0034] The present invention will be further explained and illustrated below with reference to the accompanying drawings: Example 1, see Figure 1A static plasma flame ablation test system comprises a plasma control cabinet 1, an adapter cabinet 2, a plasma spray gun 3, a plasma power supply 4, a liquid powder feeder 5, a powder feeder 6, a six-axis manipulator 7, a robot control cabinet 8, an infrared thermometer 9, a tensile machine 10, a chiller 11, an air compressor system 12, a cold dryer 13, a nitrogen generator 14, an induced draft fan 15 and a central control cabinet 16; the plasma control cabinet (1) is used to control the arc striking, current regulation and nitrogen flow control of the plasma spray gun (3); the adapter cabinet 2 is used to connect the plasma power supply 4, the chiller 11 and the like The plasma spray gun 3 realizes the transmission of cooling water and power supply; the plasma spray gun 3 is used to generate plasma flame to ablate the ablation sample; the plasma power supply 4 is electrically connected to the plasma control cabinet 1 to provide DC power to the plasma spray gun 3; the liquid powder feeder 5 is connected to the plasma spray gun 3 through a pipeline to provide various liquids such as water, alcohol, kerosene, etc. for loading test; the powder feeder 6 is connected to the plasma spray gun 3 through a pipeline to provide particles required for particle erosion test; the end of the six-axis manipulator 7 is connected to the plasma spray gun 3 to clamp the plasma spray gun and adjust the pressure according to the pre-set pressure. A program is set to adjust the relative position and angle between the plasma spray gun and the ablation sample; the manipulator control cabinet 8 is electrically connected to the six-axis manipulator 7 to control the movement of the six-axis manipulator; the infrared thermometer is used to monitor the temperature of the ablation sample in real time and transmit the temperature data to the plasma control cabinet 1; the tensile machine 10 is used to fix the ablation sample and perform a tensile test on it; the inlet and outlet pipes of the chiller 11 are connected to the plasma spray gun 3 through the adapter cabinet 2 to provide cooling circulating water for the plasma spray gun; the output end of the air compressor system 12 is connected to the cold dryer 13 and the nitrogen generator 14 respectively, which is the air compressor system Compressed air is provided for cooling the ablation samples and operating the nitrogen generator; the cold dryer 13 is used to dry the compressed air provided by the air compressor system 12 to ensure the purity of the air; the input end of the nitrogen generator 14 is connected to the cold dryer 13 and the output end is connected to the plasma control cabinet 1, and high-purity nitrogen is provided through gas separation processing; the induced draft fan 15 is used to exhaust the ablation room to ensure the circulation of heat dissipation air flow; the centralized control cabinet 16 is electrically connected to the air compressor system 12, the nitrogen generator 14 and the induced draft fan 15, and is used to centrally control the operation of the air compressor system, the nitrogen generator and the induced draft fan.

[0035] Among them: the plasma control cabinet 1 includes a PLC controller, a current regulator and a communication module. The PLC controller is used to control the mass flow meter and accurately adjust the nitrogen flow; the current regulator is used to adjust the current of the plasma spray gun 3; the communication module is used to receive temperature data transmitted by the infrared thermometer 9 and adjust the current and nitrogen flow of the plasma spray gun according to the temperature data.

[0036] The copper module of the transfer cabinet 2 includes a power interface, a cooling water interface and a spray gun interface. The power interface is used to connect the cable of the plasma power supply 4; the cooling water interface is used to connect the inlet and outlet water pipes of the chiller 11; the spray gun interface is used to connect to the anode and cathode interfaces of the plasma spray gun 3 through a water cable.

[0037] The motion range of the six-axis manipulator 7 can cover the entire surface of the ablation sample, and the motion accuracy of the six-axis manipulator can meet the requirements of the ablation test.

[0038] The infrared thermometer 9 includes a temperature measuring probe and a data transmission module. The temperature measuring probe is used to monitor the temperature of the ablation sample in real time; the data transmission module is used to transmit the measured temperature data to the plasma control cabinet 1.

[0039] The tensile testing machine 10 includes a fixing device, a stretching device and a data acquisition module. The fixing device is used to fix the ablation sample; the stretching device is used to apply a tensile force to the ablation sample; and the data acquisition module is used to collect mechanical property data of the ablation sample during the stretching process.

[0040] The centralized control cabinet 16 includes a control module, a display module and an alarm module. The control module is used to centrally control the operation of the air compressor system 12, the nitrogen generator 14 and the induced draft fan 15; the display module is used to display the operating status of each device; and the alarm module is used to issue an alarm when the equipment operates abnormally.

[0041] Example 2: A method for performing an ablation test using the static plasma flame ablation test system described in Example 1, comprising the following steps: A. System startup and preparation: (1) Startup of the nitrogen generator: The nitrogen generator 14 is started first and extracts high-purity nitrogen from the compressed air provided by the air compressor system 12 through gas separation processing; the extracted high-purity nitrogen is transported to the plasma control cabinet 1 through a pipeline to provide protective gas for the plasma spray gun 3 to ensure the stability and safety of the plasma flame.

[0042] (2) Chiller start-up: The chiller 11 starts up to provide cooling circulating water for the plasma spray gun 3; the cooling water enters the plasma spray gun 3 through the piping system of the transfer cabinet 2, preventing the spray gun from being damaged at high temperatures and ensuring stable operation of the equipment.

[0043] (3) Start the air compressor system: The air compressor system 12 starts to provide compressed air for the air compressor system; the compressed air first passes through the cold dryer 13 to remove moisture and impurities in the air to ensure the purity of the air; the dried compressed air is divided into two paths: one path enters the nitrogen generator 14, and the other path is used to cool the ablated sample.

[0044] (4) Starting the induced draft fan: The induced draft fan 15 is started to exhaust air from the ablation room to ensure the circulation of heat dissipation airflow. Through the action of the induced draft fan 15, the high-temperature gas and harmful substances generated during the ablation process are discharged in time to ensure the safety of the test environment.

[0045] B. Ablation test process: (1) Preparation of plasma spray gun: The plasma power supply 4 is started and connected to the plasma spray gun 3 through the adapter cabinet 2 to provide it with direct current; the plasma control cabinet 1 accurately controls the nitrogen flow and the current of the plasma spray gun 3 through the PLC controller to ensure the stability of the plasma flame and the accuracy of the temperature.

[0046] (2) Installation of ablated samples: The ablated samples are installed on a tensile testing machine 10 to fix the samples and perform subsequent tensile tests. The plasma spray gun 3 is installed at the end of the robotic arm of the six-axis manipulator 7. The six-axis manipulator 7 adjusts the relative position and angle between the spray gun and the ablated sample according to a preset program.

[0047] (3) Ablation process control: The plasma control cabinet 1 controls the plasma spray gun 3 to strike the arc, generate a plasma flame, and perform ablation treatment on the ablation sample; the six-axis manipulator 7 accurately adjusts the position and angle of the plasma spray gun according to the preset program to ensure the uniformity and consistency of the ablation treatment; the infrared thermometer 9 monitors the temperature of the ablation sample in real time and transmits the temperature data to the plasma control cabinet 1; the plasma control cabinet 1 adjusts the current and nitrogen flow of the plasma spray gun 3 according to the temperature data fed back by the infrared thermometer 9 to keep the ablation temperature constant.

[0048] (4) Particle erosion and liquid loading test: According to the test requirements, the powder feeder 6 and the liquid feeder 5 provide particle erosion and liquid loading tests respectively; the powder feeder 6 feeds particles into the plasma flame to perform particle erosion test on the ablation sample; the liquid feeder 5 feeds liquid (such as water, alcohol, kerosene, etc.) into the plasma flame to perform liquid loading test on the ablation sample; through particle erosion and liquid loading tests, different actual working conditions are simulated to evaluate the performance of the ablation sample in a complex environment.

[0049] C. Test completion and evaluation: (1) Tensile test: After ablation is completed, the tensile testing machine 10 performs a tensile test on the ablated sample; the fixing device of the tensile testing machine 10 fixes the ablated sample, the tensile device applies a tensile force to the sample, and the data acquisition module collects the mechanical properties data of the ablated sample during the tensile process; through the tensile test, the changes in the mechanical properties of the ablated sample after ablation are evaluated, providing an important basis for the performance evaluation of the material.

[0050] (2) Data recording and analysis: The data acquisition modules of the infrared thermometer 9 and the tensile testing machine 10 transmit the data collected during the test to the plasma control cabinet 1 or the centralized control cabinet 16; through the data analysis software, a comprehensive analysis is performed on the ablation temperature, particle erosion effect, liquid loading effect and tensile test results to evaluate the performance changes of the ablated samples; based on the analysis results, the ablation test parameters are optimized to provide a scientific basis for the research and development and improvement of high-performance materials.

[0051] D. System integration and control: (1) Centralized control: The central control cabinet 16 centrally controls the operation of the air compressor system 12, the nitrogen generator 14 and the induced draft fan 15; the control module of the central control cabinet 16 realizes the coordinated control of each device through electrical connection to ensure the stable operation of the system; the display module of the central control cabinet 16 displays the operating status of each device in real time, and the alarm module issues an alarm when the equipment operates abnormally, reminding the operator to deal with it in time.

[0052] (2) Automation and precise control: The manipulator control cabinet 8 controls the movement of the six-axis manipulator 7 to realize the automation of the ablation process; the plasma control cabinet 1 realizes precise control of the plasma spray gun through the PLC controller and communication module to ensure the stability and consistency of the ablation process; the real-time monitoring and feedback mechanism of the infrared thermometer 9 further improves the control accuracy of the ablation temperature and ensures the reliability of the test results.

[0053] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For ordinary technicians in this field, various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention, and the scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A static plasma flame ablation test system, characterized by: The static plasma flame ablation test system comprises a plasma control cabinet (1), an adapter cabinet (2), a plasma spray gun (3), a plasma power supply (4), a liquid powder feeder (5), a powder powder feeder (6), a six-axis manipulator (7), a robot control cabinet (8), an infrared thermometer (9), a tensile testing machine (10), a chiller (11), an air compressor system (12), a cold dryer (13), a nitrogen generator (14), an induced draft fan (15) and a central control cabinet (16); the plasma control cabinet (1) is used to control the arc striking, current regulation and nitrogen flow control of the plasma spray gun (3); the adapter cabinet (2) is used to connect the plasma power supply (4), the chiller (11) and The plasma spray gun (3) realizes the transmission of cooling water and power supply; the plasma spray gun (3) is used to generate plasma flame to perform ablation treatment on the ablation sample; the plasma power supply (4) is electrically connected to the plasma control cabinet (1) to provide direct current to the plasma spray gun (3); the liquid powder feeder (5) is connected to the plasma spray gun (3) through a pipeline and is used to provide various liquids such as water, alcohol, kerosene, etc. for loading test; the powder feeder (6) is connected to the plasma spray gun (3) through a pipeline and is used to provide particles required for particle erosion test; the end of the mechanical arm of the six-axis manipulator (7) is connected to the plasma spray gun (3) and is used to clamp the plasma spray gun and A program is provided to adjust the relative position and angle between the plasma spray gun and the ablation sample; the manipulator control cabinet (8) is electrically connected to the six-axis manipulator (7) for controlling the movement of the six-axis manipulator; the infrared thermometer (9) is used to monitor the temperature of the ablation sample in real time and transmit the temperature data to the plasma control cabinet (1); the tensile testing machine (10) is used to fix the ablation sample and perform a tensile test on it; the water inlet and outlet pipes of the chiller (11) are connected to the plasma spray gun (3) through the adapter cabinet (2) to provide cooling circulating water for the plasma spray gun; the output end of the air compressor system (12) is respectively connected to the cold dryer (13) and the nitrogen generator (14) to provide cooling circulating water for the air compressor The system provides compressed air for cooling the ablation sample and operating the nitrogen generator; the cold dryer (13) is used to dry the compressed air provided by the air compressor system (12) to ensure the purity of the air; the input end of the nitrogen generator (14) is connected to the cold dryer (13) and the output end is connected to the plasma control cabinet (1), and high-purity nitrogen is provided through gas separation processing; the induced draft fan (15) is used to exhaust the ablation room to ensure the circulation of heat dissipation air flow; the centralized control cabinet (16) is electrically connected to the air compressor system (12), the nitrogen generator (14) and the induced draft fan (15), and is used to centrally control the operation of the air compressor system, the nitrogen generator and the induced draft fan.

2. The static plasma flame ablation test system according to claim 1, characterized in that: The plasma control cabinet (1) includes a PLC controller, a current regulator and a communication module. The PLC controller is used to control a mass flow meter to accurately adjust the nitrogen flow rate; the current regulator is used to adjust the current of the plasma spray gun (3); and the communication module is used to receive temperature data transmitted by an infrared thermometer (9) and adjust the current and nitrogen flow rate of the plasma spray gun according to the temperature data.

3. The static plasma flame ablation test system according to claim 1, characterized in that: The copper module of the transfer cabinet (2) includes a power interface, a cooling water interface and a spray gun interface. The power interface is used to connect the cable of the plasma power supply (4); the cooling water interface is used to connect the water inlet and outlet pipes of the chiller (11); and the spray gun interface is used to connect to the anode and cathode interfaces of the plasma spray gun (3) through a water cable.

4. The static plasma flame ablation test system according to claim 1, characterized in that: The motion range of the six-axis manipulator (7) can cover the entire surface of the ablation sample, and the motion accuracy of the six-axis manipulator can meet the requirements of the ablation test.

5. The static plasma flame ablation test system according to claim 1, characterized in that: The infrared thermometer (9) comprises a temperature measuring probe and a data transmission module, wherein the temperature measuring probe is used to monitor the temperature of the ablation sample in real time; and the data transmission module is used to transmit the measured temperature data to the plasma control cabinet (1).

6. The static plasma flame ablation test system according to claim 1, characterized in that: The tensile testing machine (10) comprises a fixing device, a stretching device and a data acquisition module, wherein the fixing device is used to fix the ablation sample; the stretching device is used to apply a stretching force to the ablation sample; and the data acquisition module is used to collect mechanical property data of the ablation sample during the stretching process.

7. The static plasma flame ablation test system according to claim 1, characterized in that: The centralized control cabinet (16) comprises a control module, a display module and an alarm module. The control module is used to centrally control the operation of the air compressor system (12), the nitrogen generator (14) and the induced draft fan (15); the display module is used to display the operating status of each device; and the alarm module is used to issue an alarm when the device operates abnormally.

8. A method for performing an ablation test using the static plasma flame ablation test system according to any one of claims 1 to 7, characterized in that: The following steps are involved: S1, start the nitrogen generator (14), and transport high-purity nitrogen to the plasma control cabinet (1) through gas separation processing; S2, start the chiller (11) to provide cooling circulating water for the plasma spray gun (3); S3, starting the air compressor system (12) to provide compressed air for cooling the ablated sample and operating the nitrogen generator (14); S4, start the cold dryer (13) to dry the compressed air to ensure the purity of the air; S5, start the induced draft fan (15) to extract air from the ablation room to ensure the circulation of heat dissipation air flow; S6, starting the plasma power supply (4), connecting it to the plasma spray gun (3) through the adapter cabinet (2), and providing it with direct current; S7, installing the ablated sample on the tensile testing machine (10), and installing the plasma spray gun (3) on the six-axis manipulator (7); S8, controlling the arc of the spray gun through the plasma control cabinet (1) to generate a plasma flame; S9, controlling the plasma spray gun (3) to ablate the ablation sample through the six-axis manipulator (7); S10, using an infrared thermometer (9) to monitor the temperature of the ablated sample in real time, and adjusting the spray gun current and nitrogen flow rate through the plasma control cabinet (1) to keep the ablation temperature constant; S11. According to the needs, the powder feeder (6) and the liquid feeder (5) are used to provide particle erosion and liquid loading tests for the ablation sample respectively; S12. After the ablation is completed, the ablated sample is subjected to a tensile test using a tensile testing machine (10) to evaluate its performance changes.

9. The ablation testing method according to claim 8, wherein: In step S10, the temperature of the ablated sample is assisted in controlling by adjusting the distance between the plasma spray gun (3) and the ablated sample, so as to achieve more precise temperature control.

10. The ablation testing method according to claim 8, wherein: In step S11 , the particle erosion test and the liquid loading test can be used individually or in combination according to different test requirements to simulate the effects of different working conditions on the ablation sample.

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