欢迎登录材料期刊网

材料期刊网

高级检索

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.

参考文献

[1] Jien-Wei Yeh;Swe-Kai Chen;Su-Jien Lin;Jon-Yiew Gan;Tsung-Shune Chin;Too-Tsung Shun;Chun-Huei Tsau;Shou-Yi Chang .Nanostructured High-Entropy Alloys with Multiple Principal Elements: Novel Alloy Design Concepts and Outcomes[J].Advanced Engineering Materials,2004(5):299-303.
[2] Chung-Chin Tung;Jien-Wei Yeh;Tao-tsung Shun .On the elemental effect of AlCoCrCuFeNi high-entropy alloy system[J].Materials Letters,2007(26):1-5.
[3] Chen TK;Wong MS;Shun TT;Yeh JW .Nanostructured nitride films of multi-element high-entropy alloys by reactive DC sputtering[J].Surface & Coatings Technology,2005(5/6):1361-1365.
[4] 陈敏,刘源,李言祥,陈祥.多主元高熵合金AlTiFeNiCuCrx微观结构和力学性能[J].金属学报,2007(10):1020-1024.
[5] Zhou YJ;Zhang Y;Wang YL;Chen GL .Solid solution alloys of AlCoCrFeNiTix with excellent room-temperature mechanical properties[J].Applied physics letters,2007(18):181904-1-181904-3-0.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%