T91钢以其优异的综合性能成为高Cr铁素体耐热钢的代表钢种,被广泛应用于超临界发电厂锅炉管道上,同时也是开发更高使用温度的铁素体耐热钢材的研究基准.为进一步提高其耐热温度进而提高电厂热效率,在对T91钢组织结构及强化机理深入分析的基础上,探讨了形变热处理工艺通过优化组织来提高其性能的可行性,指出了高Cr铁素体耐热钢新的研究方向.
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