Al<sub>x</sub>CoCrFeNi高熵合金组织性能研究

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采用激光烧结法制备AlxCoCrFeNi (x = 1;1.5;2)高熵合金,通过测试其显微组织、成分和力学性能,研究Al元素含量的变化对高熵合金的组织性能的影响。实验结果表明,当x从1到1.5再到2不断增大时,AlxCoCrFeNi合金的晶体结构由FCC + BCC向BCC不断转变,高熵合金的晶格畸变和硬度也随之增大;当x = 2时晶格畸变达到最大,同时硬度也达到最大值512.5 HV。
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