基于统一曲线法的反应堆压力容器防脆断承压热冲击分析Pressurized Thermal Shock Analysis of the Reactor Pressure Vessel for Resistance to Brittle Fracture Based on Unified Curve Method
杜爱国,杨兴旺,施春丰,马连骥
摘要(Abstract)：
田湾核电厂将3、4号机组硼水贮存系统水箱运行温度从70℃调整至20℃，以降低水箱钢衬里应力腐蚀的风险。水箱运行温度的调整会影响反应堆压力容器（RPV）的防脆断设计分析结论，需重新进行评价。采用统一曲线法对RPV2号焊缝进行了承压热冲击分析，并与采用初始设计方法的分析结果进行对比。结果表明，在水箱运行温度为20℃条件下RPV满足防脆断设计要求，采用统一曲线法评价时RPV具有更大的设计寿命容量。
关键词(KeyWords)： 反应堆压力容器;承压热冲击;统一曲线法;防脆断
基金项目(Foundation):
作者(Author): 杜爱国,杨兴旺,施春丰,马连骥
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