主要研究多晶钨、钼、不锈钢等金属第一镜在HT-7超导托卡马克等离子体辐照后的表面特性变化.金属第一镜直接安装在装置内部第一壁的不同位置,试验后通过对镜面反射率和第一镜表面形貌、成分的测量,研究不同材料第一镜的表面特性变化.通过对试验结果的分析,发现三种材料的第一镜漫反射率变化都较大,钨材料第一镜的镜面反射率变化是三者中最小的,样品周围加热系统决定了附近第一镜的表面特性变化趋势.
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