核用304不锈钢辐照促进应力腐蚀开裂研究
邓平1,2,孙晨3,彭群家1,4(),韩恩厚1,柯伟1,焦治杰5
Study on Irradiation Assisted Stress Corrosion Cracking of Nuclear Grade 304 Stainless Steel
Ping DENG1,2,Chen SUN3,Qunjia PENG1,4(),En-Hou HAN1,Wei KE1,Zhijie JIAO5

图9. 核用304不锈钢SSRT实验至断裂失效后表面二次裂纹的SEM像

Fig.9. SEM images of secondary cracking on the surface of nuclear grade 304 stainless steel tested to fracture by SSRT in the primary water (a~c) and corresponding high magnification SEM images of the selected region (d~f) (TGSCC—transgranular SCC, IGSCC—intergranular SCC)(a, d) solution annealed (b, e) 0.5 dpa (c, f) 5.0 dpa