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System and method for preparing bulk amorphous alloy through laser assistance

An amorphous alloy and laser-assisted technology, applied in laser welding equipment, manufacturing tools, welding equipment, etc., can solve the problems of material performance degradation, achieve high work efficiency, overcome material performance degradation, and quickly heat up

Active Publication Date: 2020-08-28
GUANGDONG UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to overcome the problems of the prior art, to provide a laser-assisted system for the preparation of bulk amorphous alloys that overcomes the disadvantages of material performance degradation caused by traditional welding methods, and also provides a system using the Laser-assisted preparation of bulk amorphous alloy system Laser-assisted preparation of bulk amorphous alloy method for bulk amorphous alloy

Method used

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  • System and method for preparing bulk amorphous alloy through laser assistance
  • System and method for preparing bulk amorphous alloy through laser assistance
  • System and method for preparing bulk amorphous alloy through laser assistance

Examples

Experimental program
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Embodiment 1

[0055] In Example 1, such as figure 1 , the amorphous alloy A4 and the amorphous alloy B5 are clamped on the first clamping turntable 11 and the second clamping turntable 12 of the clamping system 1, and the initial processing position of the workpiece is adjusted. The composition of the amorphous alloy A4 is Zr57Nb5Cu15.4Ni12.6Al10. Among them, Tg is 405°C, and Tx is 470°C. The composition of the amorphous alloy B5 is Zr58.5Nb2.8Cu15.6Ni12.8Al10.3. Among them, Tg is 400°C, and Tx is 480°C. According to the calculation of the cross supercooled liquid phase region of amorphous alloy A4 and amorphous alloy B5, the processing temperature is set to 450°C, and then the laser beam with a wavelength of 1030nm, a pulse width of 170fs, a power of 4W, and a frequency of 100kHz is calculated. Preheat the working contact interface between crystal alloy A4 and amorphous alloy B5, the clamping system 1 works, the first clamping turntable 11 rotates counterclockwise along the direction a,...

Embodiment 2

[0057] In Example 2, such as figure 2 , clamp the amorphous alloy A4 and the amorphous alloy B5 on the first clamping turntable 11 and the second clamping turntable 12 of the clamping system 1, adjust the initial processing position of the workpiece, the amorphous alloy A4 and the amorphous alloy The components of B5 are all Pd43Ni10Cu27P20. Among them, Tg is 305°C and Tx is 406°C. According to the calculation of the cross supercooled liquid phase region of amorphous alloy A4 and amorphous alloy B5, the processing temperature is set to 380°C, and then the output wavelength of the laser beam is 1064nm, the pulse width is 240ps, the power is 3W, and the frequency is 200kHz. The contact interface between crystal alloy A4 and amorphous alloy B5 is preheated, the clamping system 1 works, the first clamping turntable 11 moves in relative translation along the X direction and the second clamping turntable 12 is squeezed, and at the same time, the ultrasonic system 3 works , the po...

Embodiment 3

[0059] In Example 3, such as image 3 , clamp the amorphous alloy A4 and the amorphous alloy B5 on the first clamping turntable 11 and the second clamping turntable 12 of the clamping system 1, adjust the initial processing position of the workpiece, the amorphous alloy A4 and the amorphous alloy The components of B5 are all Ca65Li14.54Mg12.46Zn8. Among them, Tg is 35°C and Tx is 105°C. According to the calculation of the cross supercooled liquid phase region of amorphous alloy A4 and amorphous alloy B5, the processing temperature is set to 50°C. Due to the low temperature, the laser beam output is 0W at this time, the clamping system 1 works, and the first clamping The turntable 11 rotates counterclockwise along the direction a at a rotation speed of 200rpm, and the second clamping turntable 12 rotates clockwise along the direction a at a rotation speed of 200rpm, and heat is generated by friction. At the same time, the ultrasonic system 34 is working with a power of 1000W, ...

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Abstract

The invention relates to a system for preparing a bulk amorphous alloy through laser assistance. The system comprises a clamping system, a laser system, and ultrasonic systems, wherein the clamping system involves a first clamping rotating disc and a second clamping rotating disc; the first clamping rotating disc and the second clamping rotating disc rotate mutually independently and can move horizontally in the X direction; the laser system is located above the clamping system; the ultrasonic systems are in linkage connection with the laser system; and the ultrasonic systems are arranged on the outer side of the first clamping rotating disc and the outer side of the second clamping rotating disc. According to the system for preparing the bulk amorphous alloy through the laser assistance,work can be completed in a supercooled liquid phase region of the amorphous alloy, the amorphous alloy cannot be crystallized, the amorphous state of the material before and after the amorphous alloyis prepared is ensured, the performance of the amorphous alloy cannot be influenced, and the defect that the performance of the material is reduced due to a traditional welding method is overcome. Theinvention further provides a method for preparing the bulk amorphous alloy through the laser assistance, wherein the method uses the system for preparing the bulk amorphous alloy through the laser assistance to prepare the bulk amorphous alloy.

Description

technical field [0001] The invention relates to the technical field of amorphous alloy welding, in particular to a system and method for laser-assisted preparation of bulk amorphous alloys. Background technique [0002] Due to its unique structure and excellent performance, amorphous alloys have important applications and supporting functions in high-tech fields such as energy, information, and national defense. However, the system of amorphous alloys is limited, and the size that can be synthesized is limited. The current commercial amorphous alloys are mostly at the centimeter or millimeter level, and decimeter-level amorphous alloys are rarely reported and commercialized, which seriously restricts amorphous alloys. wide application. [0003] Amorphous alloys have viscous flow behavior at the temperature of the supercooled liquid phase region. At this time, the combination of amorphous alloys can be realized by using its superplastic forming characteristics to complete th...

Claims

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Application Information

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IPC IPC(8): B23K28/02B23K26/21B23K20/10
CPCB23K20/10B23K28/02B23K26/21
Inventor 王成勇唐梓敏杜策之郑李娟杨琮丁峰叶启立
Owner GUANGDONG UNIV OF TECH
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