概述了钢的高温力学性能,介绍了热履历、化学成分、应变速率、冷却速率、奥氏体晶粒度、析出物、动态再结晶等因素对钢的高温力学性能的影响,分析了各类影响因素之间的关系.结果表明,高温变形时晶界强度的降低和晶界滑移的发生是产生高温脆性的根本原因.
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