磷化处理对核主泵螺栓断裂行为的影响
赵东杨1, 周宇1(), 王冬颖2, 那铎1
Effect of Phosphating on Hydrogen Embrittlement of SA-540 B23 Steel for Nuclear Reactor Coolant Pump Bolt
ZHAO Dongyang1, ZHOU Yu1(), WANG Dongying2, NA Duo1

图2. B23材料的显微组织照片

Fig.2. Microstructure of B23 steel