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通过XRD分析、SEM观察和压缩实验研究了不同Cr含量对Ti0.5AlCoFeNiCrx(x为摩尔比,x=0,0.5,1,1.5,2,3)高熵合金微观组织结构与力学性能的影响.结果表明:当合金不含Cr时,呈现单一的体心立方结构;当加入Cr元素后,出现了另一种富Cr的体心立方相.随着Cr含量的增加,组织从树枝晶逐渐转变到亚共晶、共晶和过共晶组织,表明Cr能促使合金发生共晶反应.适量的Cr元素能显著提高合金的压缩力学性能,其中Ti0.5AlCoFeNiCr0.5合金具有最好的压缩强度和塑性.
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材料科学与工程学报
ISSN: 1673-2812
CN: 33-1307/T
Year: 2010
Issue: 5
Volume: 28
Page: 753-756,768
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 7
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