of;
Civil;
Engineering;
and;
Mechanics,;
Xiangtan;
University,;
Xiangtan;
411105,;
China;
Laboratory;
of;
Materials;
Design;
and;
Preparation;
Technology;
of;
Hunan;
Province,;
Xiangtan;
University,;
Xiangtan;
411105,;
China;
钽钨合金; 稳定性; 特征晶体模型; 热力学方法; 合金相图; 吉布斯;