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胡勇,刘飞,王达豪,赵龙志,唐延川,刘德佳,沈明学,赵火平,焦海涛.激光沉积AlxTiCrMnCu高熵合金组织性能的研究[J].稀有金属材料与工程(英文),2021,50(8):2967~2972.[Hu Yong,Liu Fei,Wang Dahao,Zhao Longzhi,Tang Yanchuan,Liu Dejia,Shen Mingxue,Zhao Huoping and Jiao Haitao.Study on the Microstructures and Properties of AlxTiCrMnCu High Entropy Alloys Fabricated by Laser Deposition[J].Rare Metal Materials and Engineering,2021,50(8):2967~2972.]
Study on the Microstructures and Properties of AlxTiCrMnCu High Entropy Alloys Fabricated by Laser Deposition
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Received:September 11, 2020  
DOI:
Key words: laser deposition  high entropy alloy  microstructure  corrosion resistance
Foundation item:国家自然科学基金资助(项目号51865011)
Author NameAffiliation
Hu Yong,Liu Fei,Wang Dahao,Zhao Longzhi,Tang Yanchuan,Liu Dejia,Shen Mingxue,Zhao Huoping and Jiao Haitao  
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Abstract:
      AlxTiCrMnCu (x=0, 0.25, 0.5, 0.75, 1.0) high entropy alloys were prepared by laser deposition. The XRD、SEM and corrosion electrochemical testing methods were used to investigate the effect of Al on the microstructure and properties of AlxTiCrMnCu alloys. The results show that, with the increase of Al addition, phases of AlxTiCrMnCu alloys change from simple FCC and HCP1 solid-solutions to single HCP2 solid-solution. The microhardness of AlxTiCrMnCu alloys increases gradually with the increase of Al addition. The corrosion resistance of AlxTiCrMnCu alloys in 3.5% NaCl solution increases firstly and then decreases with the increase of Al addition. The optimum corrosion resistance can be obtained when x=0.25.