| 核电安全端结构中材料拘束的作用范围 | 
| 戴悦, 杨杰, 陈浩峰 | 
| Effect Range of Material Constraint in Nuclear Safe End Structure | 
| DAI Yue, YANG Jie, CHEN Haofeng | 
| 图2 初始周向裂纹示意图 | 
| Fig.2 Schematic of the initial circumferential crack (unit: mm; a—initial crack depth, 2c—long axis length of an ellipse crack, t—thickness of pipe, Ro—outer radius of pipe, Ri—inner radius of pipe) | 
|   |