压水堆主回路高温水中奥氏体不锈钢加工表面的腐蚀与应力腐蚀裂纹萌生：研究进展及展望

常立涛

Corrosion and Stress Corrosion Crack Initiation in the Machined Surfaces of Austenitic Stainless Steels in Pressurized Water Reactor Primary Water： Research Progress and Perspective

CHANG Litao

图7 慢应变速率拉伸(SSRT)实验条件下退火态316L不锈钢内氧化层中出现的裂纹[15]，冷轧316L不锈钢中萌生的沿晶应力腐蚀裂纹[28]，以及冷轧316L不锈钢沿晶裂纹边缘晶界上的滑移台阶[65]

Fig.7 Cracks in the inner oxide layer of an annealed 316L stainless steel (a)[15], and intergranular stress corrosion crack initiated in cold-rolled 316L stainless steel during slow train rate tensile (SSRT) test (b)[28]; slip steps at the crack flank in cold-rolled 316L stainless steel sample (c)[65]