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19 November 2019 AlCrFeMnNi high-entropy alloy fabricated by laser additive manufacturing under direct-current electric field controlled
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Abstract
AlCrFeMnNi high-entropy alloy was prepared by laser additive manufacturing with gas-atomized pre-alloy powders. The phase, microstructure and microhardness of HEA have been investigated. The HEAs without electric field controlled and under controlled were composed of single BCC phase. Under the controlling of electric field, the pores presented the phenomenon of reducing. Due to the reducing of pores, the HEA under electric field controlled became harder and exhibited high microhardness of about 529.9 HV0.2, which was 6.49% higher than the HEA without controlled.
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Wentai Ouyang, Mina Zhang, Zifa Xu, Yiyun Ye, Shaohui Jia, Junke Jiao, and Wenwu Zhang "AlCrFeMnNi high-entropy alloy fabricated by laser additive manufacturing under direct-current electric field controlled", Proc. SPIE 11183, Advanced Laser Processing and Manufacturing III, 111830I (19 November 2019); https://doi.org/10.1117/12.2538630
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