期刊
出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2019.01.002
关键词
Cu-Cr-Zr; Rotary Swaging; Strength and ductility; High electrical conductivity
类别
资金
- National Key R&D Program of China [2017YFA0204403]
- National Natural Science Foundation of China [11672195, 51301092]
- Sichuan Youth Science and Technology Foundation [2016JQ0047]
- US Army Research Office
A high performance Cu-Cr-Zr alloy with an ultimate tensile strength of 612 MPa, a uniform elongation of 5% and an electrical conductivity of 84.7% IACS was achieved by the severe rotary swaging and two-step peak-aging treatment. A perfect ultrafine grained microstructure with uniformly distributed nano-precipitates was identified to be responsible for the excellent properties of the studied alloy. The proposed method of rotary swaging in combination with the two-step aging treatment shows good potential for producing the high performance Cu-Cr-Zr alloy, which can not only fulfill the industrial requirement of strength and electrical conductivity, but also is suitable for mass production.
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