HfTa对镍基粉末高温合金蠕变断裂特征和性能的影响
张浩鹏, 白佳铭, 李新宇, 李晓鲲, 贾建, 刘建涛, 张义文

Effect of Hf and Ta on Creep Rupture Characteristics and Properties of Powder Metallurgy Ni-Based Superalloys
ZHANG Haopeng, BAI Jiaming, LI Xinyu, LI Xiaokun, JIA Jian, LIU Jiantao, ZHANG Yiwen
表3 各温度下不同Hf和Ta含量合金的层错能 (mJ·m-2)
Table 3 Stacking fault energy of the alloys at different temperatures (JMatPro calculated value)
Alloy650 oC700 oC750 oC
0Hf + 0Ta113.4117.0120.6
0.5Hf + 0Ta109.7113.3116.9
0Hf + 2.4Ta96.199.7103.4
0.5Hf + 2.4Ta91.695.298.9