几种典型材料中子辐照损伤模拟计算廖哲,熊忠华,张鹏程,陈琦(中国工程物理研究院,绵阳621900)摘要基于Lindhard-Robinson模型,利用NPRIM和NJOY程序,模拟计算了4种典型辐照场景下,Ti、Ni、Fe、Cr和316L等常用材料的中子辐照损伤参数
计算结果表明,DPA产生速率和He产生速率与辐照场景的中子能谱关系紧密,Fe是比较好的耐中子辐照材料
关键词Lindhard-Robinson模型辐照损伤DPAHe产生中图分类号:TL34文献标识码:ANeutronRadiationDamageSimulationofSeveralTypicalMaterialsLIAOZhe,XIONGZhonghua,ZHANGPengcheng,CHENQi(ChinaAcademyofEngineeringPhysics,Mianyang621900)AbstractBasedonLindhard-Robinsonmodel,radiationdamageparametersofTi,Ni,Fe,Crand316LinfourtypicalradiationfieldsaresimulatedusingNPRIMandNJOYcodes.CalculatedresultsshowthatDPAandHeproductionratehavecloserelationshipwithneutronenergyspectraofirradiationfields,Feisagoodresistancetoneu-tronirradiatedmaterial.KeywordsLindhard-Robinsonmodel,radiationdamage,DPA,Heproduction廖哲:男,1981年生,工程师,研究方向为材料辐照损伤E-mail:liaozhe2011@1