基于载荷图技术的国产反应堆压力容器材料断裂行为表征
Pressure vessel Technology(2014)
Abstract
对载荷图技术的原理进行了介绍,并对国产RPV材料原始试样、重组试样和时效试样进行了示波冲击试验。其中,重组试样与原始试样ΔT41J为8℃,而ΔTN仅为1℃。时效试样与原始试样的ΔT41J为39℃,而ΔTN则为49℃。载荷图技术得到的转变温度增量与传统方法接近,能反映材料辐照后的性能劣化。载荷图技术是对传统方法的有效补充,具有良好的应用前景。
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Key words
reactor pressure vessel,specimen reconstitu-tion,reference temperature,load diagram approach
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