<strong>Hf</strong>和<strong>Ta</strong>对镍基粉末高温合金蠕变断裂特征和性能的影响

Hf和Ta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6 不同Hf和Ta含量合金的Larson-Miller曲线

Fig.6 Larson-Miller curves of alloys with varying Hf and Ta contents (Larson-Miller parameter LMP = $(T + 273.15) \times (l g t_{r} + 20)$ , T is the temperature)