核聚變堆用鎢及鎢基材料熱負(fù)荷損傷行為的研究進(jìn)展

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

聚變堆在運(yùn)行過程中面對(duì)等離子體鎢基材料需要承受住一定次數(shù)穩(wěn)態(tài)和瞬態(tài)熱負(fù)荷的沖擊而不發(fā)生開裂以及熔化等損傷。對(duì)商業(yè)鎢在不同測(cè)試手段下熱負(fù)荷的損傷行為進(jìn)行了分析，闡述超細(xì)晶粒鎢、合金化、摻雜碳化物以及稀土氧化物等改性手段對(duì)鎢基材料熱負(fù)荷性能的影響；對(duì)面對(duì)等離子體鎢基材料熱負(fù)荷損傷行為進(jìn)行了總結(jié)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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