沉淀相对镍基718合金高温高压水环境应力腐蚀裂纹萌生行为影响研究
李维鹏, 罗坤杰, 王惠生, 陈嘉诚, 韩姚磊, 庞晓露, 彭群家, 乔利杰

Effect of Precipitation on Stress Corrosion Cracking Initiation of Nickel Based 718 Alloy in High Temperature and High Pressure Water
LI Weipeng, LUO Kunjie, WANG Huisheng, CHEN Jiacheng, HAN Yaolei, PANG Xiaolu, PENG Qunjia, QIAO Lijie
表5 两种带材裂纹特征信息统计
Table 5 Characteristic data of cracks for two types of 718 alloy strips
MaterialsCharacteristics of original organizational structureCrack density at different positions
Density of precipitated phases #cracks/mm2StrainCrack density at grain boundaries / #cracks·mm-2Crack density at precipitated phases / #cracks·mm-2
Strip A13010%34
15%408
Strip B36310%2112
15%12045