摘要
利用改进后的光声压电技术开展了对聚变堆用结构材料-低活性铁素体/马氏体钢(RAFM)CLF-1热扩散率的测量研究。首先,介绍了改进后的光声压电理论模型,并分析确定了高精度测量热扩散率的实验条件;其次,搭建实验系统,通过对参考样品镍的热扩散率检测,完成了测试系统的校准;最后,对RAFM钢CLF-1的热扩散率进行了测量研究。研究表明,RAFM钢CLF-1具有好的热扩散特性,是一种具有优质导热性的聚变堆结构材料。改进后的光声压电技术可以有效确定RAFM钢CLF-1的热扩散率,为聚变堆用结构材料的热物理特性研究提供了一种有效手段。
Thermal diffusivity of reduced activation ferritic/martensitic （RAFM） steel CLF-1 has been determined by the modified photoacoustic piezoelectric （PAPE） technique. Firstly, the modified PAPE theoretical model is introduced and the experimental condition with high measurement precision are identified; Secondly, the experimental system is set up and calibrated by investigating the thermal diffusivity of nickel; Finally, the thermal diffusivity of RAFM steel CLF-1 is measured by the modified PAPE method. The results show that the RAFM steel CLF-1 has good thermal diffusion properties and is a fusion reactor structural material with excellent heat conductivity. The modified PAPE technique can determine the thermal diffusivity of RAFM steel CLF-leffectively, and provides an effective way to investigate the thermal-physical property of fusion reactor structural material.
出处
《核聚变与等离子体物理》
CAS
CSCD
北大核心
2013年第3期283-288,共6页
Nuclear Fusion and Plasma Physics
基金
四川省青年基金人才培养计划资助项目(2011JQ0025)
中央高校基本科研业务费资助项目(E022050205)
国家自然科学基金资助项目(50506006
61107078)
关键词
热扩散率
低活性铁素体
马氏体钢(RAFM)改进后光声压电技术
Thermal diffusivity
Reduced activation ferritic/martensitic（RAFM） steel
Modifiedphotoacoustic piezoelectric technique
