新型钴基高温合金多尺度设计的研究现状与展望
刘兴军1,2,3(),陈悦超3,卢勇3,韩佳甲3,许伟伟3,郭毅慧3,于金鑫3,魏振帮3,王翠萍3()
Present Research Situation and Prospect of Multi-Scale Design in Novel Co-Based Superalloys: A Review
LIU Xingjun1,2,3(),CHEN Yuechao3,LU Yong3,HAN Jiajia3,XU Weiwei3,GUO Yihui3,YU Jinxin3,WEI Zhenbang3,WANG Cuiping3()

图2. 过渡族金属元素分别占据Co3Al 化合物中Al位和Co位对应的反应生成能[34]，元素X在Co3V中的占位倾向图[36]，及L12-Co3(Ta, X)与D019-Co3(Ta, X)化合物的形成焓对比[35]

Fig.2. Calculated defect energies (ΔEd) for Co3Al with an X substituting either Al- or Co-sublattice (a) [34], formation energies of X-substituted L12 Co3V compound (b) [36], and the enthalpies of formation of the Co-Ta-X compounds in L12 and D019 structures with the alloying elements occupying Co sites (c)[35]