曹伟产,梁淑华,张晓,范志康

• 1:西安理工大学材料科学与工程学院

摘要(Abstract)：

以机械合金化CrW粉末为原料,采用真空烧结制备CrW合金进行电烧蚀实验,并利用第一性原理计算了CrW固溶体电子态密度,探讨固溶对电烧蚀性能的影响规律。实验结果表明:球磨时间越长,烧结体CrW的固溶程度越高、平均耐电压强度越高,烧蚀面积越少;计算结果表明,随W固溶度的增大,CrW合金费米能级处电子密度下降,合金稳定性提高。

关键词(KeyWords)： 机械合金化;CrW合金;固溶体;第一性原理;电烧蚀

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金重点项目(50834003),国家自然科学基金(50871085);; 863计划(2009AA03Z522)

作者(Author): 曹伟产,梁淑华,张晓,范志康

DOI: 10.13289/j.issn.1009-6264.2010.09.031

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