压力容器用14Cr1MoR钢奥氏体连续冷却转变曲线

Yanqing Zhao,Yanyang Wu,Yanli Liu,Zhenye Chen,Peng Zhang,Hongqiang Liu

Special Steel（2016）

Cited 2|Views3

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Abstract

利用膨胀仪测定了14Cr1MoR钢(/％:0.01C,0.66Si,0.80Mn,0.006P,0.003S,1.72Cr,0.31Mo,0.01Nb)的临界点及连续冷却转变曲线并研究了冷却速度对试验钢的组织及显微硬度的影响.结果表明,当冷却速度为0.1～1℃/s时,试验钢的转变组织为铁素体和珠光体;2～5℃/s时,试验钢得到铁素体、珠光体以及少量粒状贝氏体的混合组织;10 ℃/s时,试验钢组织为铁素体和粒状贝氏体;15 ～20℃/s时为板条贝氏体组织;25 ～ 50℃/s时,该钢得到板条贝氏体和马氏体的混合组织.

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