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
图9 Hf和Ta对热处理态合金中退火孪晶界密度的影响
Fig.9 Effects of Hf and Ta addition on the density of annealing twin boundaries (A-TB) of HT alloys (θ—misorientation)
(a) 0Hf + 0Ta (b) 0.5Hf + 0Ta (c) 0Hf + 2.4Ta (d) 0.5Hf + 2.4Ta