CN111590190B - Ultrasonic friction welding forming method for large-size amorphous alloy - Google Patents
Ultrasonic friction welding forming method for large-size amorphous alloy Download PDFInfo
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- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
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Abstract
The invention relates to the technical field of amorphous alloy processing, in particular to an ultrasonic friction welding forming method for large-size amorphous alloy, which comprises the following steps: the method comprises the following steps: processing the surfaces to be welded of the first amorphous alloy and the second amorphous alloy into a microstructure; step two: clamping and fixing the first amorphous alloy and the second amorphous alloy with the microstructure in the step one on an ultrasonic welding system; step three: the preparation method not only enables the generated heat to be more during the processing of the amorphous alloy material and the welding efficiency to be faster, but also can reduce the difference of linear speeds at different radiuses at the contact interface of the amorphous alloy material, and further greatly reduces the nonuniformity of heat generation.
Description
Technical Field
The invention relates to the technical field of amorphous alloy processing, in particular to an ultrasonic friction welding forming method for large-size amorphous alloy.
Background
The amorphous alloy has the characteristics of metal, amorphous, solid and liquid, and is a subversive new generation of high-performance metal material. But the formation size of the amorphous alloy is limited, and the size of the current commercial amorphous alloy is mostly limited to the centimeter level, which severely limits the application of the amorphous alloy in the industrial field; the amorphous alloy has viscous flow behavior in the supercooled liquid phase region, and can always keep amorphous state when working in the temperature range.
The friction welding is to use the heat generated by the mutual friction motion of the workpieces as a heat source, so that the temperature of a contact interface of materials is increased, the materials are softened or melted, and the welding of the two materials is realized under the action of pressure. The friction welding is one of the common processes of the traditional metal welding, and has the advantages of simple process, low cost of devices and the like and high efficiency. Among them, spin friction welding is one of the common friction welding means.
The rotary friction welding has the advantages that the required movement stroke is small and the efficiency is high through the mutual rotary motion of the two materials, but when the two workpieces rotate, the linear velocity gradually increases along with the increase of the radius of the workpieces, and the linear velocity of the workpieces at the circle center is zero. On one hand, different linear velocities can lead to different heats that the friction produced, and on the other hand, the heat dissipation of work piece surface and inside radiating efficiency have the difference, and the heat distribution of material contact interface is uneven when leading to the welding, and some regions are burnt and some regions do not reach the welding temperature point, and then lead to welding quality poor.
Disclosure of Invention
The invention aims to avoid the defects in the prior art and provide the ultrasonic friction welding forming method for the large-size amorphous alloy, the preparation method not only enables the heat generated during the processing of the amorphous alloy material to be more and the welding efficiency to be faster, but also can reduce the difference of the linear speeds at different radiuses at the contact interface of the amorphous alloy material and greatly reduce the nonuniformity of the heat generation.
The purpose of the invention is realized by the following technical scheme:
an ultrasonic friction welding forming method for large-size amorphous alloy comprises the following steps:
the method comprises the following steps: taking the amorphous alloy to be processed, and processing the surfaces to be welded of the first amorphous alloy and the second amorphous alloy into a microstructure according to the welding requirement of the amorphous alloy;
step two: clamping and fixing the first amorphous alloy with the microstructure and the second amorphous alloy on an ultrasonic friction welding system in the step I, so that the welding surface of the first amorphous alloy is in contact with the welding surface of the second amorphous alloy;
step three: and respectively setting parameters of an ultrasonic device, parameters of a main rotary motion device and parameters of a pressure device in the ultrasonic friction welding system, and starting the ultrasonic friction welding system to complete the friction welding of the first amorphous alloy and the second amorphous alloy.
Further, in the first step, the microstructure at the to-be-welded surface of the first amorphous alloy and the second amorphous alloy includes: and the microstructures at the surfaces to be welded of the first amorphous alloy and the second amorphous alloy are amorphous microstructures.
Furthermore, in the first step, the microstructure at the position of the to-be-welded surface of the first amorphous alloy and the microstructure at the position of the to-be-welded surface of the second amorphous alloy are engaged with each other.
Further, in the first step, the processing method of the microstructure includes any one of laser processing, ultrasonic processing, turning, planing, milling, drilling and grinding.
Furthermore, in the third step, the contact surface between the first amorphous alloy and the second amorphous alloy makes relative rotation movement.
Further, in the third step, the friction welding of the first amorphous alloy and the second amorphous alloy is completed in the cross supercooled liquid region of the first amorphous alloy and the second amorphous alloy.
Furthermore, in the third step, the parameters of the ultrasonic device, the parameters of the main rotating motion device and the parameters of the pressure device are independently set.
Further, in the third step, the main rotation motion parameters of the first amorphous alloy and the main rotation motion parameters of the second amorphous alloy are independently arranged, the rotation range of the main rotation motion device is 0-360 degrees, and the rotation speed of the main rotation motion device is 0-500 rpm.
Further, in the third step, parameters of the first amorphous alloy and the pressure device and parameters of the pressure device between the first amorphous alloy and the second amorphous alloy are set independently, and the pressure range of the pressure device is 0-5 MPa.
Furthermore, in the third step, the parameters of the ultrasonic device of the first amorphous alloy and the parameters of the ultrasonic device of the second amorphous alloy are set independently, and the power range of the ultrasonic device is 0-2 kW.
Compared with the prior art, the invention has the advantages that: the microstructure arranged on the surface of the amorphous alloy can increase the roughness of the surface of the material, so that more heat is generated under the same process, and the welding efficiency is improved; on the other hand, through the design of the microstructure, the difference of the linear velocities at different radiuses of the material contact interface can be reduced, the nonuniformity of heat generation is further reduced, meanwhile, the ultrasonic vibration of the ultrasonic device is matched to promote the heat transfer and exchange at the material contact interface, the uniformity of energy distribution is further promoted, and the defects of the material during welding are reduced.
Drawings
The invention is further described with the aid of the accompanying drawings, in which the embodiments do not constitute any limitation of the invention, and for a person skilled in the art, without inventive effort, further drawings may be derived from the following figures.
Fig. 1 is a schematic view of ultrasonic friction welding forming of a first amorphous alloy and a second amorphous alloy in example 1.
Fig. 2 is a schematic view of ultrasonic friction welding forming of the first amorphous alloy and the second amorphous alloy in example 2.
Fig. 3 is a schematic view of ultrasonic friction welding forming of the first amorphous alloy and the second amorphous alloy in example 3.
Fig. 4 is a schematic view of ultrasonic friction welding forming of the first amorphous alloy and the second amorphous alloy in example 4.
The figure includes: a first amorphous alloy 1, a second amorphous alloy 2 and a microstructure 3.
Detailed Description
The invention is further described with reference to the following examples.
An ultrasonic friction welding forming method for large-size amorphous alloy comprises the following steps:
the method comprises the following steps: taking the amorphous alloy to be processed, and processing the surfaces to be welded of the first amorphous alloy 1 and the second amorphous alloy 2 into a microstructure 3 according to the welding requirement of the amorphous alloy;
step two: clamping and fixing the first amorphous alloy 1 with the microstructure 3 and the second amorphous alloy 2 on an ultrasonic friction welding system in the first step, so that the welding surface of the first amorphous alloy 1 is contacted with the welding surface of the second amorphous alloy 2;
step three: the parameters of an ultrasonic device, the parameters of a main rotating motion device and the parameters of a pressure device in the ultrasonic friction welding system are respectively set, the ultrasonic friction welding system is started to complete the friction welding of the first amorphous alloy 1 and the second amorphous alloy 2, and the ultrasonic vibration and the surface microstructure can promote the generation of heat and the uniform heat transfer and distribution. On one hand, the micro structure arranged on the surface of the amorphous alloy can increase the roughness of the surface of the material, so that more heat is generated under the same process, and the welding efficiency is improved; on the other hand, through the design of the microstructure, the difference of linear velocities at different radiuses of the material contact interface can be reduced, the nonuniformity of heat generation is further reduced, meanwhile, the transmission and exchange of heat at the material contact interface can be promoted by matching with the ultrasonic vibration of the ultrasonic device, the uniformity of energy distribution is further promoted, and the defects of materials during welding are reduced.
In a preferred embodiment, in the first step, the microstructures 3 at the surfaces to be welded of the first amorphous alloy 1 and the second amorphous alloy 2 comprise: the microstructure 3 at the position of the to-be-welded surface of the first amorphous alloy 1 and the second amorphous alloy 2 is an amorphous microstructure 3, and further, the microstructure 3 at the position of the to-be-welded surface of the first amorphous alloy 1 and the microstructure 3 at the position of the to-be-welded surface of the second amorphous alloy 2 are meshed with each other, so that the welding stability of the first amorphous alloy 1 and the second amorphous alloy 2 is ensured.
In the preferred embodiment, in the first step, the processing method of the microstructure 3 includes any one of laser processing, ultrasonic processing, turning, planing, milling, drilling and grinding, and the processing method is the most preferred for processing the microstructure 3.
In the preferred embodiment, in the third step, the contact surface between the first amorphous alloy 1 and the second amorphous alloy 2 makes relative rotation movement, further, the friction welding of the first amorphous alloy 1 and the second amorphous alloy 2 is performed in the cross supercooled liquid region of the first amorphous alloy 1 and the second amorphous alloy 2 (the supercooled liquid region of the amorphous alloy is a temperature range in which the amorphous plasticity is large and the amorphous state can be maintained, which is suitable for welding), then the supercooled liquid regions of different amorphous alloys are different, such as 300-, the performance of the amorphous alloy is not influenced, and the defect of material performance reduction caused by the traditional welding method is overcome.
In a preferred embodiment, in the third step, the parameters of the ultrasonic device, the parameters of the main rotating motion device and the parameters of the pressure device are independently set, further, the parameters of the main rotating motion of the first amorphous alloy 1 and the parameters of the main rotating motion of the second amorphous alloy 2 are independently set, the rotating range of the main rotating motion device is 0-360 degrees, the rotating speed of the main rotating motion device is 0-500 rpm, the parameters of the first amorphous alloy 1 and the pressure device and the parameters of the pressure device between the second amorphous alloy 2 are independently set, the pressure range of the pressure device is 0-5 MPa, the parameters of the ultrasonic device of the first amorphous alloy 1 and the parameters of the ultrasonic device between the second amorphous alloy 2 are independently set, the power range of the ultrasonic device is 0-2 kW, and the processing parameters under the coefficients, the processing effect is optimal, and the welding stability of ultrasonic friction welding is ensured.
The invention will be further illustrated with reference to specific examples:
example 1:
as shown in fig. 1, an ultrasonic friction welding forming method for large-size amorphous alloy comprises the following steps:
the method comprises the following steps: two amorphous alloys needing to be processed are taken, milling processing is adopted according to the welding requirements of the amorphous alloys, and a microstructure 3 is processed at the to-be-welded interface of a first amorphous alloy 1 and a second amorphous alloy 2, wherein the microstructure 3 is a rectangular structure, the first amorphous alloy 1 comprises the components of Zr57Nb5Cu15.4Ni12.6Al10, the Tg is 405 ℃, the Tx is 470 ℃, the second amorphous alloy 2 comprises the components of Zr58.5Nb2.8Cu15.6Ni12.8Al10.3, the Tg is 400 ℃, and the Tx is 480 ℃.
Step two: and clamping the first amorphous alloy 1 and the second amorphous alloy 2 on a welding system, so that the welding surface of the first amorphous alloy 1 and the welding surface of the second amorphous alloy 2 are in contact with each other.
Step three: setting the main rotation motion parameter of the first amorphous alloy 1 as rotation along the reverse direction a, the rotation speed is 200rpm, the main rotation motion parameter of the second amorphous alloy 2 is rotation along the direction a, the rotation speed is 200rpm, the pressure device works to enable the first amorphous alloy 1 and the second amorphous alloy 2 to perform relative translational motion extrusion along the X direction, meanwhile, the ultrasonic device works, the power is 800W, directional ultrasound is performed along the X direction, the cross supercooled liquid region of the first amorphous alloy 1 and the second amorphous alloy 2 is 405-407 ℃, and friction welding of the first amorphous alloy 1 and the second amorphous alloy 2 is completed.
Example 2:
as shown in fig. 2, an ultrasonic friction welding forming method for large-size amorphous alloy comprises the following steps:
the method comprises the following steps: two pieces of amorphous alloy needing to be processed are taken, laser processing is adopted according to the welding requirement of the amorphous alloy, and a microstructure 3 is processed at the position of a to-be-welded interface of a first amorphous alloy 1 and a second amorphous alloy 2, wherein the microstructure is a triangular structure, the components of the first amorphous alloy 1 and the second amorphous alloy 2 are respectively Ca65Li14.54Mg12.46Zn8, Tg is 35 ℃, and Tx is 105 ℃.
Step two: and clamping the first amorphous alloy 1 and the second amorphous alloy 2 on a welding system, so that the welding surface of the first amorphous alloy is in contact with the welding surface of the second amorphous alloy.
Step three: setting the main rotation motion parameter of the first amorphous alloy 1 as rotation along the reverse direction a, the rotation speed is 0rpm, the main rotation motion parameter of the second amorphous alloy 2 as rotation along the reverse direction a, the rotation speed is 100rpm, operating a pressure device, enabling the first amorphous alloy 1 and the second amorphous alloy 2 to perform relative translational motion extrusion along the X direction, simultaneously operating an ultrasonic device, the power is 800W, performing directional ultrasound along the X direction, and finishing the friction welding of the first amorphous alloy 1 and the second amorphous alloy 2 by setting the cross supercooled liquid region of the first amorphous alloy 1 and the second amorphous alloy 2 to be 35-105 ℃.
Example 3:
as shown in fig. 3, an ultrasonic friction welding forming method for large-size amorphous alloy comprises the following steps:
the method comprises the following steps: two amorphous alloys needing to Be processed are taken, wherein the first amorphous alloy 1 comprises Zr44Ti11Cu10Ni10Be25, the Tg is 350 ℃, the Tx is 471 ℃, the second amorphous alloy 2 comprises Zr35Ti30Be27.5Cu7.5, the Tg is 301 ℃, and the Tx is 467 ℃.
Step two: and clamping the first amorphous alloy 1 and the second amorphous alloy 2 on a welding system, so that the welding surface of the first amorphous alloy 1 and the welding surface of the second amorphous alloy 2 are in contact with each other.
Step three: setting the main rotation motion parameter of the first amorphous alloy 1 as rotation along the reverse direction a, the rotation speed is 300rpm, the main rotation motion parameter of the second amorphous alloy 2 is rotation along the direction a, the rotation speed is 200rpm, the pressure device works to enable the first amorphous alloy 1 and the second amorphous alloy 2 to perform relative translational motion extrusion along the X direction, meanwhile, the ultrasonic device works, the power is 800W, directional ultrasound is performed along the X direction, the cross supercooled liquid region of the first amorphous alloy 1 and the second amorphous alloy 2 is 350-467 ℃, and friction welding of the first amorphous alloy 1 and the second amorphous alloy 2 is completed.
Example 4:
as shown in fig. 4, an ultrasonic friction welding forming method for large-size amorphous alloy comprises the following steps:
the method comprises the following steps: two amorphous alloys needing to Be processed are taken, ultrasonic processing is adopted according to the welding requirements of the amorphous alloys, a microstructure 3 is processed at the position of a to-Be-welded interface of a first amorphous alloy 1 and a second amorphous alloy 2, wherein the microstructure 3 is a rectangular structure, the first amorphous alloy 1 comprises the components of Zr41.2Ti13.8Cu12.5Ni10Be22.5, the Tg is 349 ℃, the Tx is 426 ℃, the second amorphous alloy 2 comprises the components of Zr44Ti11Cu10Ni10Be25, the Tg is 350 ℃, and the Tx is 471 ℃.
Step two: and clamping the first amorphous alloy 1 and the second amorphous alloy 2 on a welding system, so that the welding surface of the first amorphous alloy 1 and the welding surface of the second amorphous alloy 2 are in contact with each other.
Step three: setting the main rotation motion parameter of the first amorphous alloy 1 as rotation along the reverse direction a, the rotation speed is 200rpm, the main rotation motion parameter of the second amorphous alloy 2 is rotation along the direction a, the rotation speed is 200rpm, the pressure device works to enable the first amorphous alloy 1 and the second amorphous alloy 2 to perform relative translational motion extrusion along the X direction, meanwhile, the ultrasonic device works, the power is 800W, directional ultrasound is performed along the X direction, the cross supercooled liquid region of the first amorphous alloy 1 and the second amorphous alloy 2 is 350-426 ℃, and friction welding of the first amorphous alloy 1 and the second amorphous alloy 2 is completed.
Compared with the prior art, the invention has the advantages that: the microstructure arranged on the surface of the amorphous alloy can increase the roughness of the surface of the material, so that more heat is generated under the same process, and the welding efficiency is improved; on the other hand, through the design of the microstructure, the difference of linear velocities at different radiuses of the material contact interface can be reduced, the nonuniformity of heat generation is further reduced, meanwhile, the ultrasonic vibration of the ultrasonic device is matched to promote the heat transfer and exchange at the material contact interface, the uniformity of energy distribution is further promoted, and the defects of materials during welding are small.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. An ultrasonic friction welding forming method for large-size amorphous alloy is characterized in that: the method comprises the following steps:
the method comprises the following steps: taking the amorphous alloy to be processed, and processing the surfaces to be welded of the first amorphous alloy and the second amorphous alloy into a microstructure according to the welding requirement of the amorphous alloy;
step two: clamping and fixing the first amorphous alloy with the microstructure and the second amorphous alloy on an ultrasonic friction welding system in the step I, so that the welding surface of the first amorphous alloy is in contact with the welding surface of the second amorphous alloy;
step three: respectively setting parameters of an ultrasonic device, parameters of a main rotary motion device and parameters of a pressure device in an ultrasonic friction welding system, and starting the ultrasonic friction welding system to complete friction welding of the first amorphous alloy and the second amorphous alloy;
in the first step, the microstructures at the to-be-welded surfaces of the first amorphous alloy and the second amorphous alloy comprise nano-sized microstructures, and the microstructures at the to-be-welded surfaces of the first amorphous alloy and the second amorphous alloy are amorphous microstructures;
in the third step, the contact surface between the first amorphous alloy and the second amorphous alloy makes relative rotation movement and carries out directional ultrasound along the X direction;
and in the third step, the friction welding of the first amorphous alloy and the second amorphous alloy is completed in a cross supercooled liquid region of the first amorphous alloy and the second amorphous alloy.
2. The ultrasonic friction welding forming method for the large-size amorphous alloy according to claim 1, wherein: in the first step, the microstructure at the position of the to-be-welded surface of the first amorphous alloy and the microstructure at the position of the to-be-welded surface of the second amorphous alloy are meshed with each other.
3. The ultrasonic friction welding forming method for the large-size amorphous alloy according to claim 1, wherein: in the first step, the processing method of the microstructure comprises any one of laser processing, ultrasonic processing, turning, planing, milling, drilling and grinding.
4. The ultrasonic friction welding forming method for the large-size amorphous alloy according to claim 1, wherein: in the third step, the parameters of the ultrasonic device, the parameters of the main rotating motion device and the parameters of the pressure device are independently adjusted.
5. The ultrasonic friction welding forming method for the large-size amorphous alloy according to claim 1, wherein: in the third step, the main rotating motion parameters of the first amorphous alloy and the main rotating motion parameters of the second amorphous alloy are independently arranged, the rotating range of the main rotating motion device is 0-360 degrees, and the rotating speed of the main rotating motion device is 0-500 rpm.
6. The ultrasonic friction welding forming method for the large-size amorphous alloy according to claim 1, wherein: in the third step, the parameters of the pressure device of the first amorphous alloy and the parameters of the pressure device of the second amorphous alloy are set independently, and the pressure range of the pressure device is 0-5 MPa.
7. The ultrasonic friction welding forming method for the large-size amorphous alloy according to claim 1, wherein: in the third step, the parameters of the ultrasonic device of the first amorphous alloy and the parameters of the ultrasonic device of the second amorphous alloy are set independently, and the power range of the ultrasonic device is 0-2 kW.
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| CN111590190B (en) * | 2020-05-28 | 2021-08-03 | 广东工业大学 | Ultrasonic friction welding forming method for large-size amorphous alloy |
| CN112342410B (en) * | 2020-10-30 | 2021-12-03 | 深圳大学 | Preparation method of amorphous alloy |
| CN113618222B (en) * | 2021-07-30 | 2023-04-21 | 广东工业大学 | Amorphous alloy welding process and bulk amorphous alloy |
| CN113798654B (en) * | 2021-08-04 | 2023-05-16 | 广东工业大学 | Friction connection method of amorphous alloy and bulk amorphous alloy |
| CN113798499A (en) * | 2021-08-04 | 2021-12-17 | 广东工业大学 | Manufacturing method of block amorphous alloy and block amorphous alloy |
| CN113664361A (en) * | 2021-08-04 | 2021-11-19 | 广东工业大学 | Method for improving friction welding effect of bulk amorphous alloy and bulk amorphous alloy |
| CN114192778B (en) * | 2022-01-24 | 2024-02-09 | 东莞市逸昊金属材料科技有限公司 | Preparation method of amorphous product |
| CN114571080B (en) * | 2022-04-14 | 2024-03-22 | 常州世竟液态金属有限公司 | Oblique angle double-sided laser welding method for bulk amorphous alloy and plate |
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