期刊
MATERIALS TODAY COMMUNICATIONS
卷 32, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.mtcomm.2022.104134
关键词
Mechanical alloying; Spark plasma sintering; Soften resistance; Molybdenum
资金
- National MCF Energy Research and Development Program of China [2018YFE0306103]
- National Natural Science Foundation of China [51901250]
A Cu-5 wt% Mo alloy with high conductivity and high anti-soften temperature was successfully fabricated using mechanical alloying combined with spark plasma sintering (SPS). The rolled and aged Cu-5 wt% Mo alloy exhibited improved density, electrical conductivity, and anti-soften temperature.
A Cu-5 wt% Mo alloy with high conductivity and high anti-soften temperature were fabricated by combining mechanical alloying with spark plasma sintering (SPS). Cu-5 wt% Mo mixed powders with four kinds of ball milling parameters were prepared by mechanical alloying. The sintered Cu-5 wt% Mo alloy was rolled and aged. The rolled Cu-5 wt% Mo alloy achieved a relative density of 98.19%, an electrical conductivity of 92.6%IACS, a microhardness of 128.6 HV, an ultimate tensile true stress of 441.2 MPa, and an elongation of 24.9%. Nanoscale Mo precipitates were formed during aging process. The aged Cu-5 wt% Mo alloy reached an electrical con-ductivity of 96.5%IACS and an anti-soften temperature of 950 degrees C. These findings are instructive for the devel-opment of copper alloy materials with high conductivity and high anti-soften temperature.
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