研究了淬火温度对ZG1Cr10MoWVNbN耐热钢铸件微观组织和力学性能的影响,结果表明:淬火温度对强度和冲击功有较大影响,1 100℃前强度随淬火温度升高快速增加,1 100℃后冲击功随淬火温度升高迅速降低.经1 100℃×2h空冷+730℃×3h炉冷至300℃出炉空冷后得到保持马氏体位向分布的回火索氏体组织,具有较好的综合力学性能.
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