钨为未来高参数准稳态运行聚变堆最有前景的面向等离子体材料.超细晶／纳米晶结构有可能提高钨材料的热力学性能和抗粒子辐照性能,因而成为一个很有前途的研发方向.深度塑性变形和粉末冶金均已在制备超细晶／纳米晶钨方面开始了初步探索,深度塑性变形的等通道角挤压法因能制备致密度高、韧脆性能优异、大尺度的块体超细晶／纳米晶钨,极有可能在钨基面向等离子体材料制备方面取得突破.
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