A kind of preparation method of high performance cu-cr-zr-mg-si alloy strip
A cu-cr-zr-mg-si, alloy plate technology, applied in the preparation of high-performance Cu-Cr-Zr-Mg-Si alloy plate and strip, high-performance copper alloy plate and strip processing field, can solve the limitation of CuCrZr series copper The use range of the alloy, the tensile strength is difficult to exceed 450Mpa, etc., to achieve the effect of improving electrical conductivity, high electrical conductivity and high elongation
Active Publication Date: 2022-04-05
ZHONGBEI UNIV
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However, the tensile strength of such alloys is generally difficult to exceed 450Mpa, which greatly limits the scope of use of CuCrZr-based copper alloys. Therefore, the development of new CuCrZr-based high-performance copper alloys will be the main development direction in the future.
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[0036] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail in combination with the embodiments and accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. The technical scheme of the present invention will be described in detail below in conjunction with the embodiments and accompanying drawings, but the scope of protection is not limited thereto.
[0037] A method for preparing a high-performance Cu-Cr-Zr-Mg-Si alloy strip, specifically the following steps:
[0038] 1) Ingredients: According to the mass ratio Cu: Cr: Zr: Mg: Si = 98.87: 1.0: 0.08: 0.04: 0.01 ratio alloy composition.
[0039] 2) Vacuum induction melting: vacuum induction melting is carried out on the alloy, and the vacuum degree is 10 -2 Pa, first add elec...
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Abstract
The invention proposes a method for preparing high-performance Cu-Cr-Zr-Mg-Si alloy strips, which belongs to the field of forming and processing nonferrous metal thin strips; , Mg, Si raw materials, smelting to obtain melts, hot rolling to make forged billet samples, multi-directional forging, recrystallization annealing, rapid deformation, and annealing treatment; the present invention introduces a large amount of nano Twin-stacking fault structure, stacking fault structure and a large number of dispersed precipitates strengthen the structure and performance, and finally obtain high-performance copper alloy strip products with high strength, high conductivity and high elongation.
Description
technical field [0001] The invention belongs to the field of forming and processing nonferrous metal thin strips, and relates to a processing method for high-performance copper alloy strips, in particular to a preparation method for high-performance Cu-Cr-Zr-Mg-Si alloy strips. Background technique [0002] Copper alloy has high mechanical properties and excellent electrical and thermal conductivity. It is a very important type of special alloy material integrating structure and function. It plays an irreplaceable role in today's society. So far, high-performance copper alloys have been widely used in many fields such as microelectronics, rail transit, power transmission, and aerospace. In recent years, with the rapid development of high-tech industries, especially the rapid development of microelectronics, rail transit and other fields, higher and higher requirements have been placed on the performance of copper alloys, which require copper alloys to have both high conducti...
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IPC IPC(8): C22C9/00C22C1/03C22F1/08
CPCC22C9/00C22C1/03C22F1/08
Inventor 顾涛赵宇宏侯华武立施宇聪张帅鑫冀宇
Owner ZHONGBEI UNIV