核聚變堆用鎢及鎢基材料熱負荷損傷行為的研究進展

核聚變堆用鎢及鎢基材料熱負荷損傷行為的研究進展Research progress in heat load damage behavior of tungsten and tungsten base materials for nuclear fusion reactor

聚變堆在運行過程中面對等離子體鎢基材料需要承受住一定次數穩態和瞬態熱負荷的沖擊而不發生開裂以及熔化等損傷。對商業鎢在不同測試手段下熱負荷的損傷行為進行了分析，闡述超細晶粒鎢、合金化、摻雜碳化物以及稀土氧化物等改性手段對鎢基材料熱負荷性能的影響；對面對等離子體鎢基材料熱負荷損傷行為進行了總結與展望。

In the operation of a fusion reactor, the tungsten-based material needs to withstand a certain number of steady-state and transient-state heat load impact without cranking, melting and other damage. The damage behavior of commercial tungsten under different test conditions was analyzed. The effects of modification methods, such as superfine grain tungsten, alloying, doping carbide and rare earth oxides, on the heat load performance of tungsten-based materials were discussed. The research on heat load damage of plasma tungsten-based materials was summarized and forecast.

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