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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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钼-钛-锆与钼-铌-锆两三元系平衡图中1200℃恒溫截面的研究
, PP. 63-124
Abstract:
应用金相及X射线衍射方法,并辅之以硬度测量研究了Mo-Ti-Zr,Mo-Nb-Zr两三元系的1200℃恒温截面。两合金系统的1200℃恒温截面很相似,包括一个单相区α及一个两相区(α+ε)。在Mo-Ti-Zr系中α为体心立方Mo-Ti-Zr三元固溶体,其点阵常数随固溶体中钛、铅含量的增加而增大,ε为三元Laves相(Ti,Zr)Mo_2,其结构与ZrMo_2相同。在Mo-Nb-Zr系中α为体心立方Mo-Nb-Zr三元固溶体,其点阵常数也随固溶体中铌、锆含量增加而增加,ε为具有MgCu_2型结构的三元Laves相Zr(Mo,Nb)_2。在Mo-Ti-Zr三元系中,随着钛含量的增加,合金的等硬度曲线呈半环状向钛角扩展,在Mo-Nb-Zr三元系中,随着铌含量的增加,合金的等硬度曲线也呈半环状向铌角扩展。
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