位置：中游情绪：利好参考度：2/10
深度轧制制备纳米晶304不锈钢板材，性能提升显著
近日，中国科学院金属研究所王胜刚及其合作者，借助深度轧制技术成功制备出纳米晶304不锈钢板材（NCP – 304，整体纳米化）。与普通304不锈钢（TPC – 304）相比，NCP – 304在抗高温氧化、耐腐蚀以及应变疲劳性能方面均得到提升。
自20世纪80年代纳米材料概念问世，纳米粉体和薄膜材料便广泛应用。然而，纳米/超微晶金属结构材料的产业化进程依旧面临重重挑战。其中关键原因之一，是应力与腐蚀的交互作用，致使纳米/超微晶金属结构材料在服役时，力学性能与耐腐蚀性能难以同步提升。但纳米晶304不锈钢却有所..其力学与耐腐蚀性能皆能同时提高，且应变速率敏感性降低。
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