反应堆压力容器钢的辐照脆化预测模型研究

Study on Prediction Model of Irradiation Embrittlement for Reactor Pressure Vessel Steel

摘要: 对反应堆压力容器（RPV）钢的辐照脆化进行预测是保证核电站长寿期安全运行的重要方法。通过深入分析国外已有RPV钢的辐照脆化预测模型，揭示了已有参数化预测模型的不足，在此基础上建立了新的预测模型PMIE-2012。利用辐照监督数据对PMIE-2012的可靠性进行评价，结果表明，PMIE-2012对RPV钢的辐照脆化预测具有较高的准确性和可靠性。

Abstract: The study on prediction model of irradiation embrittlement for reactor pressure vessel (RPV) steel is an important method for long term operation. According to the deep analysis of the previous prediction models developed worldwide, the drawbacks of these models were given and a new irradiation embrittlement prediction model PMIE-2012 was developed. A corresponding reliability assessment was carried out by irradiation surveillance data. The assessment results show that the PMIE-2012 have a high reliability and accuracy on irradiation embrittlement prediction.