625℃汽轮机转子材料的开发及性能分析  

Development and Property Analysis of Rotor Material for 625℃ Steam Turbines

作　　者：梅林波[1,2] 沈红卫 王思玉 张澜庭[1] 孙锋[1] 

机构地区：[1]上海交通大学材料科学与工程学院,上海200240 [2]上海电气电站设备有限公司上海汽轮机厂,上海200240

出　　处：《热力透平》2012年第3期183-187,共5页Thermal Turbine

摘　　要：通过总结国内外关于9%～10%Cr铁素体钢的研发成果,全面探讨了典型的625℃汽轮机转子材料COST-FB2的工艺、微观组织和性能特征及其强化机理。研究表明COST-FB2转子钢具有良好的物理性能、较高的高温屈服强度以及良好的蠕变和持久性能。COST-FB2可用于上海汽轮机厂设计的再热蒸汽温度为620℃的超超临界汽轮机机组。Based on the research and development of 9% - 10% Cr ferritic steels worldwide, the process, microstructure, property characteristics and strengthening mechanism of typical steam turbine rotor material COST-FB2 are discussed. The result indicates that COST-FB2 has excellent physical properties, higher elevated temperature yield strength and excellent creep rupture strength. Thus, COST-FB2 can be applied for USC steam turbine unit with 620 ℃ reheat steam temperature designed by Shanghai Turbine Plant.

关 键 词：转子材料 工艺 微观组织 性能 

分 类 号：TK265[动力工程及工程热物理—动力机械及工程]