Effect of Ti Content on the Microstructure and Properties of CoCrFeNiMnTi(x) High Entropy Alloy.
Effect of Ti Content on the Microstructure and Properties of CoCrFeNiMnTi(x) High Entropy Alloy.
复制标题
Ti含量对CoCrFeNiMnTix高熵合金组织与性能的影响
DOI:
10.3390/e24020241
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发表时间:
2022-02-04
期刊:
影响因子:
--
通讯作者:
Huang Y
中科院分区:
文献类型:
--
作者:
Chen Y;Liu W;Wang H;Xie J;Zhang T;Yin L;Huang Y
The aim of this study was to investigate the effects of the Ti element addition on the microstructure and properties of CoCrFeNiMn high entropy alloys. The Ti element modified CoCrFeNiMnTix high entropy alloys were prepared by vacuum arc melting processing. The Ti rich body-centered cubic structure phase was observed in CoCrFeNiMnTi0.25 and CoCrFeNiMnTi0.55 instead of a simple face-centered cubic structure in CoCrFeNiMn. The amount of the Ti-rich phase depicted an increasing trend with increasing Ti content. Simultaneously, the mechanical properties of CoCrFeNiMnTix were obviously improved. When the Ti content is 0, 0.25 and 0.55, the microhardness is 175 HV, 253 HV and 646 HV, which has an obvious increasing trend, while the ductility decreased. The tensile properties show a trend of first strengthening and then decreasing, changing from 461 MPa to 631 MPa and then to 287 MPa. When x was 0.55, the solid–liquid transition temperature of the alloy decreased, and the melting temperature range increased.
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DOI:
10.1016/j.msea.2012.06.075
发表时间:
2012-10-30
影响因子:
6.4
作者:
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