期刊
METALS
卷 10, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/met10111436
关键词
refractory; high entropy alloy; mechanical alloying; phase transformation; mechanical properties
资金
- Natural Science Foundation of Hunan Province, China [2018JJ3677]
A non-equiatomic refractory high entropy alloy (RHEA), (W35Ta35Mo15Nb15)(95)Ni-5 with high density of 14.55 g/cm(3) was fabricated by powder metallurgical process of mechanical alloying (MA) and spark plasma sintering (SPS). The mechanical alloying behavior of the metallic powders was studied systematically, and the microstructure and phase composition for both the powders and alloys were analyzed. Results show that the crystal consists of the primary solid solution and marginal oxide inclusion (Nb5.7Ni4Ta2.3O2). In addition, the maximum strength, yield strength and fracture strain are, 2562 MPa, 2128 MPa, 8.16%, respectively.
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