Research Progress of Refractory High-Entropy Alloys
MATERIALS CHINA[ISSN:1674-3962/CN:61-1473/TG]
- Issue:
- 2019年第08期
- Page:
- 768-774
- Research Field:
- Publishing date:
Info
- Title:
- Research Progress of Refractory High-Entropy Alloys
- Author(s):
- LIU Zhangquan; QIAO Junwei
- (Research Center for HighEntropy Alloys, School of Materials Science and Engineering,Taiyuan University of Technology, Taiyuan 030024, China)
- Keywords:
- high-entropy alloys; refractory alloys; microstructure; mechanical properties; wear resistance; high temperature oxidation resistance
- CLC:
- PACS:
- TG1323+2;TG139
- DOI:
- 10.7502/j.issn.1674-3962.201812016
- DocumentCode:
- Abstract:
- Being different from traditional alloys, high-entropy alloys are composed of five or more principal elements. Moreover, the concentration of each element is between 5at% and 35at%. Due to their excellent high-temperature performance, high-entropy alloys attract the interest of many researchers. Refractory elements are metals with a melting point above 1800 ℃ and a certain amount of reserves, represented by tungsten. Subsequently, After their principal elements can be three or more kinds and the concentration of each element can be more than 35at%, refractory highentropy alloys have achieved rapid development. The preparation methods, microstructure, and phase composition of refractory high-entropy alloys were introduced. The properties of refractory high-entropy alloys were described, including room-temperature and high-temperature mechanical properties, main strengthening mechanisms, wearresistant performance and high-temperature oxidation resistance. Finally, the challenges and potential applications of refractory high-entropy alloys were discussed in detail.
Last Update: 2019-07-31