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1 奥氏体不锈钢铣削加工变形层显微组织[15,32]

Fig.1 Back-scattered electron (BSE) image of the machined layer of austenitic stainless steels (ASSs) (a)[15]; bright field-transmission electron microscopy (BF-TEM) image and corresponding selected area electron diffraction (SAED) pattern (inset) of the topmost ultrafine-grained layer (b)[32]; BSE image showing the details of the twins-intersected region (c)[15]; BF-TEM image (d) and dark field-TEM (DF-TEM) image (e) of the deformation twins (Inset in Fig.1e shows the SAED pattern)[32]