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7 FGH4098合金CT试样不同温度下表面疲劳裂纹扩展路径
Fig.7 Fatigue crack propagation paths in CT sample of FGH4098 alloy under 700oC (a) and 800oC (b)