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
),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
),En-Hou HAN1,Wei KE1,Zhijie JIAO5
图14. 晶界局部变形和局部腐蚀促进IASCC机制示意图
Fig.14. Schematics showing the IASCC mechanism promoted by localized deformation and localized corrosion at grain boundary (RIS—radiation induced segregation)(a) oxidation occurrence at grain boundary simultaneously with localized deformation(b) cracking initiation within the oxide at the grain boundary(c) crack growth promoted by further deformation and corrosion at the grain boundary
