Online monitoring device for ablation structure morphology and product and monitoring method of online monitoring device

A monitoring device and morphology technology, which is applied in the field of online monitoring devices for ablation structure morphology and products, and can solve problems such as inability to monitor process information in real time

Active Publication Date: 2018-05-25
TSINGHUA UNIV
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Problems solved by technology

In terms of simulation experiments for oxidation ablation research, most of the existing methods compare the state of the material before and after ablation to obtain the amount of ablation and the change

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  • Online monitoring device for ablation structure morphology and product and monitoring method of online monitoring device
  • Online monitoring device for ablation structure morphology and product and monitoring method of online monitoring device
  • Online monitoring device for ablation structure morphology and product and monitoring method of online monitoring device

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Embodiment Construction

[0028] In the following, the present invention will be further explained through specific embodiments in conjunction with the drawings.

[0029] Such as figure 1 As shown, the on-line monitoring device of the ablation structure morphology and product of this embodiment includes: X-ray generating device, X-ray detection 9, ablation heating device 5, infrared thermometer 7, high temperature detector with blue band pass filter Resolution CCD camera 8, hyperspectral camera 10, light source 11, isolation room 12 and control and image processing unit 13; among them, X-ray generating device, ablation heating device 5, infrared thermometer 7, with blue band pass filter The high-resolution CCD camera 8, X-ray detection 9 receiver, hyperspectral camera 10 and light source 11 are set in the isolation room 12; the test specimen is located in the isolation room 12; one end of the isolation room 12 faces the test An X-ray generator is set on the back of the test piece; an X-ray detector 9 rece...

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Abstract

The invention discloses an online monitoring device for ablation structure morphology and products and a monitoring method of the online monitoring device. According to the online monitoring device, an X-ray emitting/receiving device is adopted to acquire a micro structure image of a test part; a high resolution CCD (Charge Coupled Device) camera is adopted to acquire a surface morphology image ofthe test part; an infrared thermometer together with a red light channel and a green light channel of the CCD camera is adopted to acquire temperature distribution of a whole field; a high spectrum camera is adopted to acquire a spectrum image of the test part; a control and image processing unit is adopted to acquire evolution situations of micro structures of the test part in the ablation process, ablation liquid droplet generation flowing and fusion situations, and real-time precise monitoring on ablation product components and distribution, whole-field temperature distribution on the surface of an object is synchronously acquired, and influence of thermal radiation to spectrum information is eliminated. By adopting the technique, analysis on the relationships among ablation micro structures, surface liquid droplets, ablation temperatures and ablation products is achieved.

Description

Technical field [0001] The invention relates to the technical field of engineering materials, in particular to an online monitoring device and an online monitoring method for the morphology and products of ablation structures. Background technique [0002] High-temperature structural materials, such as nickel-based superalloys, C / SiC composites, etc., are widely used in aerospace and other fields due to their excellent high-temperature mechanical properties. At the same time, when the aircraft is flying at super high speed, the surface wingtips and other parts are subjected to severe aerodynamic heat, which can reach extremely high temperatures. Under such harsh conditions, the materials / structures inevitably appear oxidation, ablation, and fracture. In order to study the properties of materials / structures under high temperature conditions, simulation experiments and analysis are needed. At present, there are mainly two methods for the experimental simulation of high-temperatur...

Claims

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Application Information

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IPC IPC(8): G01N23/04G01B11/24G01N21/25G01N21/17G01J3/28G01J5/00
CPCG01B11/24G01J3/2823G01J5/00G01N21/17G01N21/25G01N23/04G01J2005/0077G01N2223/1016G01N2223/03G01N2021/1765G01J5/485
Inventor 冯雪岳孟坤唐云龙方旭飞朱相宇屈哲
Owner TSINGHUA UNIV
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