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- Title
Microstructure and Mechanical Properties of Co 32 Cr 28 Ni 32. 94 Al 4. 06 Ti 3 High-Entropy Alloy.
- Authors
Guo, Jinquan; Tang, Chaozhongzheng; Lai, Huan Sheng
- Abstract
High-entropy alloys have good application prospects in nuclear power plants due to their excellent mechanical properties and radiation resistance. In this paper, the microstructure of the Co32Cr28Ni32.94Al4.06Ti3 high-entropy alloy was researched using metallurgical microscopy, X-ray diffraction, and scanning electron microscopy. The mechanical properties were tested using a Vickers microhardness tester and a tensile testing machine, respectively. The results showed that Co32Cr28Ni32.94Al4.06Ti3 had a single-phase, disordered, face-centered, cubic solid-solution structure and was strengthened by solid solution. The alloy lattice parameter and density were estimated as 0.304 nm and 7.89 g/cm3, respectively. The test results indicated that the alloy had satisfactory mechanical properties with yield stress and tensile strength of about 530 MPa and 985 MPa, respectively.
- Subjects
NICKEL-chromium alloys; ALLOYS; MICROSTRUCTURE; YIELD stress; NUCLEAR power plants; SOLUTION strengthening
- Publication
Materials (1996-1944), 2022, Vol 15, Issue 4, p1444
- ISSN
1996-1944
- Publication type
Article
- DOI
10.3390/ma15041444