热处理工艺对新型热作模具钢性能的影响

发布时间：2018-04-15 18:18

  本文选题：热处理 + 热作模具钢　； 参考：《热加工工艺》2017年06期

【摘要】：通过添加Cr、Mo、Ni、W、V等元素,设计和制备了热作模具钢样品。研究了热处理工艺对热作模具钢性能的影响。结果表明:1025℃淬火+550℃回火后的模具钢样品性能最佳,其抗拉强度为1785.1 MPa,屈服强度为1573.1MPa,硬度为50.9 HRC。当试验温度为600℃时,该样品抗拉强度为1272.5 MPa;试验温度为550℃时,该样品硬度值为402.5 HV。试样断口分布有大量的韧窝和很少的准解理形貌,表明模具钢有较高的强度和韧性。
[Abstract]:The steel samples of hot work die were designed and prepared by adding elements such as Cr-Mo-Mo-NiNI-WGV and so on.The effect of heat treatment on the properties of hot working die steel was studied.The results show that the properties of die steel after quenching and tempering at 1: 1025 鈩，

本文编号：1755243