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温度监测合金用于反应堆内辐照温度的非在线监测,主要原理是基于辐照后合金的熔化状态,反推堆内辐照温度。快堆辐照温度高于热堆,中国实验快堆(CEFR)结构材料的辐照试验温度范围大约在450～650℃,而目前压水堆普遍采用的温度监测合金的监测温度在266～327℃,远不能达到快堆辐照
The temperature monitoring alloy is used for non-online monitoring of the radiation temperature inside the reactor. The main principle is based on the melting state of the alloy after irradiation and the irradiation temperature inside the reactor. The irradiation temperature of fast reactor is higher than that of thermal reactor. The temperature range of CEFR structural material is about 450-650 ℃. At present, the monitoring temperature of the commonly used temperature monitoring alloy for PWR is between 266 and 327 ℃, far can not reach fast reactor radiation