镍基高温合金疲劳裂纹急速扩展敏感温度及成因

江河, 佴启亮, 徐超, 赵晓, 姚志浩, 董建新

Sensitive Temperature and Reason of Rapid Fatigue Crack Propagation in Nickel-Based Superalloy

JIANG He, NAI Qiliang, XU Chao, ZHAO Xiao, YAO Zhihao, DONG Jianxin

图1 疲劳裂纹扩展速率紧凑拉伸(CT)试样示意图

Fig.1 Schematic of compact tension (CT) specimen for fatigue crack propagation test (unit: mm)