A wide-frequency-response amorphous micro-fiber precision preparation device and method based on dynamic thermal decoupling and vortex stress induction

Abstract

The application discloses a kind of wide frequency response amorphous microfilament precision preparation device and method based on dynamic thermal decoupling and vortex stress induction, belong to high-performance metal material precision preparation and microstructure regulation field.The method includes that glass tube is sent into coaxial dynamic thermal decoupling induction heating structure, main induction coil is started, alloy mother bar is inducted and heated to molten state, glass tube surface containing alloy raw material is heated by graphite ring in auxiliary thermal regulation ring simultaneously, glass tube is softened, glass-coated amorphous microfilament is drawn, it sequentially passes through vortex fluid rectifier cavity and high-frequency microvibration stress release component, and microfilament is cooled and circumferential shearing treatment and releases glass layer stress treatment, and product silk is collected by winding mechanism.The application realizes the stable drawing of large-diameter amorphous microfilament, actively induces circumferential magnetic domain to improve low-frequency magnetic property, and stress is released by non-destructive way, and the preparation of high-performance microfilament is completed.

Description

Technical Field

[0001] This invention relates to the field of precision preparation and microstructure control of high-performance metallic materials, specifically to a device and method for precision preparation of broadband-response amorphous microwires based on dynamic thermal decoupling and vortex stress induction. Background Technology

[0002] The mainstream and most mature industrial technology for preparing glass-coated amorphous microfilaments is the Taylor-Ulitovsky method (also known as glass-coated melt spinning). This method can directly prepare micron-sized glass-coated metal wires from a master alloy in a single step. However, it has the following physical limitations: 1. Single heat source mechanism: The heat source of the entire system comes solely from the heating of the metal by the induction coil. The glass tube itself is non-conductive and is not subject to induction heating; its softening depends entirely on the heat transfer from the internal molten metal.

[0003] 2. Temperature gradient lock-in: This mechanism dictates that a temperature gradient T must exist within the system. 金属 >T 界面 >T 玻璃表面 The temperature gradient is crucial. In other words, for the outer glass to reach its softening temperature (~1260℃), the temperature of the internal metal must be significantly higher. To ensure the glass reaches its softening temperature, the heating coil power needs to be increased. At this point, the inside of the glass tube is severely overheated, its viscosity is extremely low, and its surface tension decreases. During the wire drawing process, the excessively thin molten metal cannot be effectively "dragged" or "supported" by the viscous friction generated by the glass tube wall, especially for alloys such as tungsten-molybdenum high-density alloys. These drawbacks make it difficult to stably produce uniform, thicker wires (bare wire diameter greater than 60µm). If the heating power is reduced, the glass will not reach a sufficient temperature to soften, causing the wire drawing process to interrupt.

[0004] 3. Existing technologies do not address the issue of circumferential magnetic domain induction during the drawing process of thick filaments. The reduced surface area of ​​the thick filament means that the simple radial stress generated by traditional vertical water cooling is insufficient to induce the formation of dense, uniform circumferential magnetic domains on the surface of the large metal core. This results in low GMI sensitivity in the 100kHz frequency band, failing to leverage the advantages of the low-frequency skin effect of the thick filament.

[0005] 4. Existing mechanical roll forming technology is sensitive to wire diameter fluctuations and is prone to damaging amorphous cores; chemical etching is a complex process and is prone to pitting corrosion on metal surfaces.

[0006] To address the aforementioned issues, there is an urgent need for a wideband response amorphous microfilament precision fabrication device and method based on dynamic thermal decoupling and vortex stress induction, which can solve the problems existing in traditional methods. Summary of the Invention

[0007] The purpose of this invention is to provide a precision fabrication device and method for broadband-response amorphous microfilaments based on dynamic thermal decoupling and vortex stress induction, which realizes the stable drawing of large-diameter amorphous microfilaments, actively induces circumferential magnetic domains to enhance low-frequency magnetic properties, and releases stress in a non-destructive manner to complete the fabrication of high-performance microfilaments.

[0008] To achieve the above objectives, the technical solution adopted by the present invention is as follows: A wideband response amorphous microfilament precision fabrication device based on dynamic thermal decoupling and vortex stress induction includes: a tube feeding mechanism, a coaxial dynamic thermal decoupling induction heating structure, a vortex fluid rectification cavity, a high-frequency micro-vibration stress release component, and a winding mechanism arranged sequentially from top to bottom; The tube feeding mechanism is used to move the glass tube downwards; The coaxial dynamic thermal decoupling induction heating structure is used to heat a glass tube. The coaxial dynamic thermal decoupling induction heating structure includes a main induction coil and an auxiliary thermal control ring. The auxiliary thermal control ring includes an outer quartz layer, an inner quartz layer, a graphite ring, and a support rod. Both the outer and inner quartz layers are cylindrical structures, and the inner quartz layer is coaxially arranged inside the outer quartz layer, forming a double-cylindrical structure. The top and bottom of the inner quartz layer are hollow. The outer and inner quartz layers are sealed to form a shell cavity. The graphite ring is arranged inside the shell cavity. The support rod is arranged outside the outer quartz layer. The main induction coil is arranged outside the outer quartz layer for inductive heating of the glass tube inside the inner quartz layer and the alloy master rod inside the glass tube. The vortex fluid rectifier cavity is used to cool and swirl the drawn microfilaments. The high-frequency micro-vibration stress relief component is used to release the macroscopic compressive stress of the glass layer on the metal core. The winding mechanism is used to wind and collect the finished yarn.

[0009] Furthermore, a thermal expansion buffer gap is provided between the housing cavity and the graphite ring to prevent the graphite from expanding and cracking the quartz layer. The top of the housing cavity is sealed, and the interior of the housing cavity is evacuated or filled with inert gas to prevent the graphite from oxidizing and ablating at high temperatures.

[0010] Furthermore, the coaxial dynamic thermal decoupling induction heating structure also includes a lifting mechanism, which is connected to the support rod and is used to precisely adjust the vertical position of the auxiliary thermal control ring relative to the root of the Taylor cone of the main induction coil and the glass tube.

[0011] Furthermore, the main induction coil is a water-cooled copper tube spiral coil.

[0012] Furthermore, the vortex fluid rectification cavity includes a rectification cavity body and a tangential nozzle. The rectification cavity body is a cylindrical hollow cavity body, through which the microfilament passes. The nozzle is provided tangentially and downwardly on the inner wall of the rectification cavity body, wherein the nozzle axis does not pass through the center of the rectification cavity body.

[0013] Furthermore, the nozzle is tilted downwards at an angle of 10°-15°.

[0014] Furthermore, the high-frequency micro-vibration stress relief assembly includes a micro-vibration roller and an ultrasonic transducer. The micro-vibration roller is disposed on the lower side of the rectifier cavity. The micro-vibration roller is composed of a pair of smooth-surfaced hard alloy rollers. The microfilament passing through the rectifier cavity passes between the two hard alloy rollers. The ultrasonic transducer is connected to the hard alloy roller.

[0015] This invention also provides a method for the precise fabrication of broadband-response amorphous microfilaments based on dynamic thermal decoupling and vortex stress induction, applied to the aforementioned apparatus for the precise fabrication of broadband-response amorphous microfilaments based on dynamic thermal decoupling and vortex stress induction, comprising: Step 1: The glass tube is moved downward by the tube feeding mechanism, so that the glass tube and the internal alloy mother rod enter the coaxial dynamic thermal decoupling induction heating structure. Step 2: Start the main induction coil to induction heat the alloy mother rod to a molten state, and at the same time, use the graphite ring in the auxiliary heat control ring to assist in heating the surface of the glass tube, so as to soften the glass tube. Step 3: Draw glass-coated amorphous microfilaments and pass them sequentially through a vortex fluid rectifier cavity and a high-frequency micro-vibration stress relief component; Step 4: In the vortex fluid rectification cavity, cooling medium is introduced through tangential nozzles to form a swirling flow to cool and shear the microfilaments in the circumferential direction; Step 5: In the high-frequency micro-vibration stress relief assembly, a micro-vibration roller driven by an ultrasonic transducer is used to apply high-frequency vibration to the microfilaments to release the stress in the glass layer; Step 6: Collect the finished yarn by winding it up using a winding mechanism.

[0016] In summary, the present invention has at least one of the following beneficial technical effects: 1. Breaking through the technical limitations of temperature gradient locking in the traditional Taylor method, by independently controlling the temperature of the molten metal and the glass tube, stable and continuous preparation of large-diameter amorphous microfilaments is achieved, solving the problem of wire drawing instability caused by the decrease in viscosity due to overheating of the metal.

[0017] 2. Actively inducing and fixing the circumferential magnetic domain structure significantly improves the magnetoresistance response performance of the coarse filament in the low-frequency range, overcoming the defects of scattered magnetic domains and poor magnetic properties of coarse filament in traditional processes.

[0018] 3. It achieves non-contact or micro-contact stress release and glass layer peeling, avoiding damage to the brittle amorphous core caused by mechanical crushing or chemical corrosion, and greatly improving the integrity and yield of the finished wire.

[0019] 4. It realizes integrated continuous operation from heating, wire drawing, magnetic domain control to stress release, with a compact process flow, high production efficiency, and is suitable for large-scale production.

[0020] 5. The device and method have good process adaptability and material universality. They can be used not only for amorphous microwires, but also extended to the precision preparation and microstructure control of high-performance metal wires such as tungsten-molybdenum high-density alloys and tantalum-niobium capacitor materials. Attached Figure Description

[0021] Figure 1 Main view of the auxiliary thermal control ring; Figure 2 Side view of the auxiliary thermal control ring; Figure 3 A top view of the auxiliary thermal control ring; Figure 4 A schematic diagram of the vortex fluid rectifier cavity; Figure 5 This is a schematic diagram of the method flow of the present invention.

[0022] Reference numerals: 1. Outer quartz layer; 2. Inner quartz layer; 3. Graphite ring; 4. Support rod; 5. Rectifying cavity. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention. Furthermore, the technical features involved in the various embodiments of this invention described below can be combined with each other as long as they do not conflict with each other.

[0024] This invention provides a wideband response amorphous microwire precision fabrication device based on dynamic thermal decoupling and vortex stress induction, comprising: a tube feeding mechanism, a coaxial dynamic thermal decoupling induction heating structure, a vortex fluid rectification cavity, a high-frequency micro-vibration stress release component, and a winding mechanism arranged sequentially from top to bottom; The following is a detailed introduction to each of the above components: 1. Submission agency The tube feeding mechanism is used to move the glass tube downwards. Any conventional tube feeding mechanism in the prior art can be used, and there is no limitation here.

[0025] 2. Coaxial dynamic thermal decoupling induction heating structure like Figure 1 , Figure 2 and Figure 3 As shown, the coaxial dynamic thermal decoupling induction heating structure is used to heat a glass tube. The coaxial dynamic thermal decoupling induction heating structure includes a main induction coil and an auxiliary thermal control ring. The auxiliary thermal control ring includes an outer quartz layer 1, an inner quartz layer 2, a graphite ring 3, and a support rod 4. The outer quartz layer 1 and the inner quartz layer 2 are both cylindrical structures, and the inner quartz layer 2 is coaxially arranged inside the outer quartz layer 1, forming a double-layer cylindrical structure. The top and bottom of the inner quartz layer are hollow. The outer quartz layer 1 and the inner quartz layer 2 are sealed together to form a shell cavity. The graphite ring 3 is arranged inside the shell cavity. The support rod 4 is arranged outside the outer quartz layer 1. The main induction coil is arranged outside the outer quartz layer 1 for inductively heating the glass tube inside the inner quartz layer 2 and the alloy master rod inside the glass tube. In one embodiment, the alloy master rod is a tungsten-molybdenum high-density alloy master rod, and the support rod 4 is tightly connected to the outer quartz layer by means of welding or other methods. The main induction coil is a conventional water-cooled copper tube spiral coil, connected to a high-frequency induction heating power supply (frequency 200-400kHz), used for induction heating of the internal alloy mother rod. The coaxial dynamic thermal decoupling induction heating structure also includes a lifting mechanism, which is connected to the support rod 4 and is used to precisely adjust the vertical position of the auxiliary thermal control ring relative to the root of the Taylor cone of the main induction coil and the glass tube. The graphite ring 3 is a heating element. A thermal expansion buffer gap is provided between the shell cavity and the graphite ring 3. The outer diameter of the graphite ring 3 is smaller than the inner diameter of the outer quartz layer 1, and the gap is about 0.2-0.5 mm. The inner diameter of the graphite ring 3 is larger than the outer diameter of the inner quartz layer 2, and the gap is about 0.2-0.5 mm. This is to prevent the graphite from expanding and cracking the quartz layer. The top of the housing cavity is sealed, and the inside of the housing cavity is evacuated or filled with inert gas to prevent high-temperature oxidation and ablation of graphite. The principle and thermal coupling mechanism are explained in detail: (1) Inductive coupling: The auxiliary thermal control ring is located within the magnetic field range of the main induction coil. When the main induction coil is energized, the leakage magnetic field generates an induced current (eddy current) in the internal graphite ring 3, which rapidly heats up to become an independent high-temperature radiation heat source.

[0026] (2) Temperature gradient reconstruction: for the needs of preparing large-diameter microfilaments: Main induction coil power setting: It is only necessary to maintain the alloy master rod in a molten state with a suitable viscosity (e.g., 1050℃-1100℃). This temperature is lower than the overheating temperature in conventional processes (>1350℃), ensuring that the molten metal has high viscosity and surface tension, and can be effectively dragged by the glass tube wall.

[0027] Auxiliary heating compensation: At this point, heat transfer by metal alone is insufficient to soften the external borosilicate glass (softening point ~1260℃). By adjusting the graphite ring 3 to the root of the Taylor cone, its high-temperature thermal radiation directly supplements the heating of the external glass tube, causing its local temperature to rise rapidly above the softening point.

[0028] (3) Effect: It achieves the reverse temperature distribution of internal metal low temperature (high viscosity) and external glass high temperature (high fluidity). This unique external heat and internal temperature state breaks the limitation that the metal must be hotter than the glass in the traditional single coil process, ensuring that the high viscosity molten metal can be stably wrapped and pulled out by the fully softened glass tube, so as to continuously and stably produce coarse wires with a diameter >60μm.

[0029] 3. Vortex fluid rectifying cavity like Figure 4 As shown, the vortex fluid rectifier cavity is used to cool and swirl the drawn microfilament. The vortex fluid rectifier cavity is located 2-3 mm below the coaxial dynamic thermal decoupling induction heating structure and its position can be moved vertically. The microfilament enters the vortex fluid rectifier cavity immediately after being drawn out. The vortex fluid rectifier cavity includes a rectifier cavity body 5 and tangential nozzles. The rectifier cavity body 5 is a cylindrical hollow cavity through which the microfilament passes. The cavity is open at both ends to facilitate the passage of the microfilament and the discharge of cooling water. Three to four nozzles are tangentially and downwardly inclined on the inner wall of the rectifier cavity body 5. The nozzle axis does not pass through the center of the rectifier cavity body 5. The downward inclination angle of the nozzles is 10°-15° to assist in fluid discharge. The following section will introduce its working principle and effects: Cooling medium (water or atomized gas) is injected at high speed from a tangential nozzle, forming a high-speed rotating free vortex inside the cavity; While cooling the microfilaments, the eddy currents apply a flexible circumferential shear torque to the surface of the microfilaments, which are in a semi-solid state (near the Curie temperature), through fluid viscosity. Combining the negative magnetostrictive properties of Co-based amorphous alloys, this torsional stress forces the magnetic moments to align along the circumferential direction. Since the microfilament is not yet fully cooled and hardened, the magnetic domain structure is "frozen" in the circumferential state, thus forming a stable circumferential magnetic anisotropy in the finished filament; It significantly improves the permeability response of thick filaments in the 500kHz-1MHz frequency band, and solves the problems of magnetic domain dispersion and instability and low GMI sensitivity caused by the reduced surface area of ​​thick filaments.

[0030] 4. High-frequency micro-vibration stress relief component The high-frequency micro-vibration stress relief assembly is used to release the macroscopic compressive stress of the glass layer on the metal core. The high-frequency micro-vibration stress relief assembly includes a micro-vibration roller and an ultrasonic transducer. The micro-vibration roller is disposed on the lower side of the rectifier cavity 5. The micro-vibration roller is composed of a pair of smooth hard alloy rollers. The microfilament passing through the rectifier cavity 5 passes between the two hard alloy rollers. The ultrasonic transducer is connected to the hard alloy roller. The operating frequency of the ultrasonic transducer is set to 20kHz–60kHz. The following section will explain its working principle: Maintain a small gap between the two rollers (slightly larger than the metal core diameter but smaller than the total wire diameter), or have the roller surface in slight contact with the wire surface.

[0031] Ultrasonic vibration energy is transmitted to the glass coating layer through the roller surface. Taking advantage of the huge difference between glass (high brittleness and high acoustic impedance) and metal core (high elasticity and low acoustic impedance), the sound waves produce strong reflection and interference at the interface between the two phases.

[0032] This high-frequency vibration induces a micro-crack network in the glass layer, releasing the macroscopic compressive stress of the glass layer on the metal core. This not only avoids damage to the metal core caused by hard crushing, but also provides a pre-fabricated fracture point for subsequent glass layer peeling.

[0033] This invention provides an embodiment of a reference range for key process parameters, including: Main coil frequency: 200-350kHz; Alloy melting temperature setting: 1050-1150℃ (maintain high viscosity); Graphite ring 3 auxiliary heating temperature: 1250-1300℃ (softening glass); Microfilament diameter range: 50-100μm; Swirl cooling water pressure: 0.2-0.4 MPa; Ultrasonic vibration frequency: 20-40kHz.

[0034] like Figure 5 As shown, the present invention also provides a method for the precise fabrication of broadband-response amorphous microfilaments based on dynamic thermal decoupling and vortex stress induction, applied to the aforementioned apparatus for the precise fabrication of broadband-response amorphous microfilaments based on dynamic thermal decoupling and vortex stress induction, comprising: Step 1: The glass tube is moved downward by the tube feeding mechanism, so that the glass tube and the internal alloy mother rod enter the coaxial dynamic thermal decoupling induction heating structure. Step 2: Start the main induction coil to induction heat the alloy mother rod to a molten state, and at the same time, use the graphite ring in the auxiliary heat control ring to assist in heating the surface of the glass tube, so as to soften the glass tube. Step 3: Draw glass-coated amorphous microfilaments and pass them sequentially through a vortex fluid rectifier cavity and a high-frequency micro-vibration stress relief component; Step 4: In the vortex fluid rectification cavity, cooling medium is introduced through tangential nozzles to form a swirling flow to cool and shear the microfilaments in the circumferential direction; Step 5: In the high-frequency micro-vibration stress relief assembly, a micro-vibration roller driven by an ultrasonic transducer is used to apply high-frequency vibration to the microfilaments to release the stress in the glass layer; Step 6: Collect the finished yarn by winding it up using a winding mechanism.

[0035] Embodiments of the present invention may be provided as methods, systems, or computer program products. Therefore, the present invention may take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0036] This invention is described with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, generate instructions for implementing the flowchart illustrations and / or block diagrams. Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.

[0037] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing device to function in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.

[0038] These computer program instructions may also be loaded onto a computer or other programmable data processing equipment to cause a series of operational steps to be performed on the computer or other programmable equipment to produce a computer-implemented process, thereby providing instructions that execute on the computer or other programmable equipment for implementing the process. Figure 1 One or more processes and / or boxes Figure 1The steps of the function specified in one or more boxes.

[0039] Contents not described in detail in this specification are prior art known to those skilled in the art. It is hereby indicated that the above description is intended to help those skilled in the art understand this invention, but does not limit the scope of protection of this invention. Any equivalent substitutions, modifications, improvements, or simplifications of the above descriptions that do not depart from the essential content of this invention fall within the scope of protection of this invention.

Claims

1. A precision fabrication device for broadband-response amorphous microwires based on dynamic thermal decoupling and vortex stress induction, characterized in that, include: The components arranged from top to bottom are: a tube feeding mechanism, a coaxial dynamic thermal decoupling induction heating structure, a vortex fluid rectifier cavity, a high-frequency micro-vibration stress release component, and a winding mechanism. The tube feeding mechanism is used to move the glass tube downwards; The coaxial dynamic thermal decoupling induction heating structure is used to heat a glass tube. The coaxial dynamic thermal decoupling induction heating structure includes a main induction coil and an auxiliary thermal control ring. The auxiliary thermal control ring includes an outer quartz layer, an inner quartz layer, a graphite ring, and a support rod. Both the outer and inner quartz layers are cylindrical structures, and the inner quartz layer is coaxially arranged inside the outer quartz layer, forming a double-cylindrical structure. The top and bottom of the inner quartz layer are hollow. The bottom between the outer and inner quartz layers is sealed to form a shell cavity. The graphite ring is arranged inside the shell cavity. The support rod is arranged outside the outer quartz layer. The main induction coil is arranged outside the outer quartz layer for inductively heating the glass tube inside the inner quartz layer and the alloy master rod inside the glass tube. The vortex fluid rectifier cavity is used to cool and swirl the drawn microfilaments. The high-frequency micro-vibration stress relief component is used to release the macroscopic compressive stress of the glass layer on the metal core. The winding mechanism is used to wind and collect the finished yarn.

2. The precision fabrication device for broadband-response amorphous microfilaments based on dynamic thermal decoupling and vortex stress induction according to claim 1, characterized in that, A thermal expansion buffer gap is provided between the shell cavity and the graphite ring to prevent the graphite from expanding and cracking the quartz layer. The top of the shell cavity is sealed, and the inside of the shell cavity is evacuated or filled with inert gas to prevent the graphite from being oxidized and ablated at high temperature.

3. The precision fabrication device for broadband-response amorphous microfilaments based on dynamic thermal decoupling and vortex stress induction according to claim 1, characterized in that, The coaxial dynamic thermal decoupling induction heating structure also includes a lifting mechanism, which is connected to the support rod and is used to precisely adjust the vertical position of the auxiliary thermal control ring relative to the root of the Taylor cone of the main induction coil and the glass tube.

4. The precision fabrication device for broadband-response amorphous microfilaments based on dynamic thermal decoupling and vortex stress induction according to claim 1, characterized in that, The main induction coil is a water-cooled copper tube spiral coil.

5. The precision fabrication device for broadband-response amorphous microfilaments based on dynamic thermal decoupling and vortex stress induction according to claim 1, characterized in that, The vortex fluid rectifier cavity includes a rectifier cavity body and a tangential nozzle. The rectifier cavity body is a cylindrical hollow cavity body. The microfilament passes through the central axis of the rectifier cavity body. The nozzle is provided on the inner wall of the rectifier cavity body in a tangential and downward inclined manner. The axis of the nozzle does not pass through the center of the rectifier cavity body.

6. The precision fabrication device for broadband response amorphous microfilaments based on dynamic thermal decoupling and vortex stress induction according to claim 5, characterized in that, The nozzle is tilted downwards at an angle of 10°-15°.

7. The precision fabrication device for broadband-response amorphous microfilaments based on dynamic thermal decoupling and vortex stress induction according to claim 5, characterized in that, The high-frequency micro-vibration stress relief assembly includes a micro-vibration roller and an ultrasonic transducer. The micro-vibration roller is disposed on the lower side of the rectifier cavity. The micro-vibration roller is composed of a pair of smooth-surfaced hard alloy rollers. A microfilament passing through the rectifier cavity passes between the two hard alloy rollers. The ultrasonic transducer is connected to the hard alloy roller.

8. A method for precision fabrication of broadband-response amorphous microfilaments based on dynamic thermal decoupling and vortex stress induction, applied to the precision fabrication apparatus for broadband-response amorphous microfilaments based on dynamic thermal decoupling and vortex stress induction as described in any one of claims 1-7, characterized in that, include: Step 1: The glass tube is moved downward by the tube feeding mechanism, so that the glass tube and the internal alloy mother rod enter the coaxial dynamic thermal decoupling induction heating structure. Step 2: Start the main induction coil to induction heat the alloy mother rod to a molten state, and at the same time, use the graphite ring in the auxiliary heat control ring to assist in heating the surface of the glass tube, so as to soften the glass tube. Step 3: Draw glass-coated amorphous microfilaments and pass them sequentially through a vortex fluid rectifier cavity and a high-frequency micro-vibration stress relief component; Step 4: In the vortex fluid rectification cavity, cooling medium is introduced through tangential nozzles to form a swirling flow to cool and shear the microfilaments in the circumferential direction; Step 5: In the high-frequency micro-vibration stress relief assembly, a micro-vibration roller driven by an ultrasonic transducer is used to apply high-frequency vibration to the microfilaments to release the stress in the glass layer; Step 6: Collect the finished yarn by winding it up using a winding mechanism.

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