摘要
研究了X80钢在不同淬火温度后的组织和力学性能的变化.结果表明,淬火温度为1000℃时,X80钢的奥氏体晶粒严重粗化,导致粗板条贝氏体铁素体的产生,致使X80钢的强度升高、韧性和硬度严重降低;当淬火温度为930℃,并辅以适当的回火处理,可以使X80钢获得以细小针状铁素体为主的组织,从而获得良好的硬度、强度、塑性和韧性的配合.
The mechanical properties＇ changes of X80 steel at different quenching temperature were studied. Theresults showed that when the quenching temperature is 1000℃, X80 Austenite grain coarsening is serious, leading to the production of coarse lath bainite ferrite, the increased strength of X80 steel, and a serious reduction of toughness and hardness. When the quenching temperature is 930 ℃, and assisted by the appropriate temperatures, the smallneedle-like ferrite-based organizations of XSO steel can be maked,to obtain good match of hardness, strength, ductility and toughness.
出处
《河南科学》
2013年第4期449-452,共4页
Henan Science
基金
河南省科技攻关项目资助(2010334508)
关键词
淬火
X80管线钢
组织
力学性能
quenching
X80 pipeline steel
organization
mechanical properties
