合金元素Si、V、Ti对40Cr13马氏体不锈钢组织与性能的影响

doi:10.13251/j.issn.0254-6051.2024.03.042

金属热处理 ›› 2024, Vol. 49 ›› Issue (3): 256-261.DOI: 10.13251/j.issn.0254-6051.2024.03.042

合金元素Si、V、Ti对40Cr13马氏体不锈钢组织与性能的影响

刘禹^1,2, 孙迎建^1,2

1.河北水利电力学院, 河北沧州 061001;
2.河北省工业机械手控制与可靠性技术创新中心, 河北沧州 061001

收稿日期:2023-09-17 修回日期:2024-01-09 出版日期:2024-03-25 发布日期:2024-04-24
通讯作者: 孙迎建,讲师,硕士,Email:sunyingjian@hbwe.edu.cn
作者简介:刘禹(1982—),男,硕士,主要研究方向为大型机械结构设计、材料成型及控制工程,E-mail:liuyu@hbwe.edu.cn。
基金资助:
河北省教育厅科学研究项目资助(ZC2023183) ;沧州市科技计划(213101010)

Effects of alloying elements Si, V and Ti on microstructure and properties of 40Cr13 martensitic stainless steel

Liu Yu^1,2, Sun Yingjian^1,2

1. Hebei University of Water Resources and Electric Engineering, Cangzhou Hebei 061001, China;
2. Hebei Industrial Manipulator Control and Reliability Technology Innovation Center, Cangzhou Hebei 061001, China

Received:2023-09-17 Revised:2024-01-09 Online:2024-03-25 Published:2024-04-24

摘要/Abstract

摘要： 利用光学显微镜、扫描电镜、室温拉伸、室温冲击检测等方法研究了Si、V、Ti这3种合金元素对40Cr13马氏体不锈钢显微组织与力学性能的影响。结果表明,在40Cr13马氏体不锈钢中同时加入V、Ti合金元素有效抑制了(Fe,Cr)₂₃C₆类型碳化物的析出;在40Cr13马氏体不锈钢中,通过提高Si元素的含量,能有效地提高试验钢的硬度和冲击性能;加入0.21%V能够提高40Cr13马氏体不锈钢的强度和硬度,但加入0.21%Ti使得40Cr13马氏体不锈钢的强度和硬度有所下降;V、Ti合金元素的同时加入,使得40Cr13马氏体不锈钢抗拉强度和屈服强度略微有所降低,但能有效提高40Cr13钢的冲击性能。

关键词: 40Cr13马氏体不锈钢, 显微组织, 力学性能, 热处理

Abstract: Effects of Si, V and Ti alloying elements on the microstructure and mechanical properties of 40Cr13 martensitic stainless steel were studied by means of optical microscope, scanning electron microscope, room temperature tensile test and room temperature impact test. The results show that the addition of V and Ti alloy elements to the 40Cr13 martensitic stainless steel effectively inhibit the precipitation of (Fe, Cr)₂₃C₆ carbides. The hardness and impact property of the 40Cr13 martensitic stainless steel are effectively improved by increasing the content of Si element. The addition of 0.21%V improves the strength and hardness of the 40Cr13 martensitic stainless steel, but the addition of 0.21%Ti reduces the strength and hardness of the 40Cr13 martensitic stainless steel. The addition of V and Ti alloy elements at the same time reduces the tensile strength and yield strength of the 40Cr13 martensitic stainless steel slightly, but improves the impact toughness of the 40Cr13 steel effectively.

Key words: 40Cr13 martensitic stainless steel, microstructure, mechanical properties, heat treatment

中图分类号:

TG335.56

刘禹, 孙迎建. 合金元素Si、V、Ti对40Cr13马氏体不锈钢组织与性能的影响[J]. 金属热处理, 2024, 49(3): 256-261.

Liu Yu, Sun Yingjian. Effects of alloying elements Si, V and Ti on microstructure and properties of 40Cr13 martensitic stainless steel[J]. Heat Treatment of Metals, 2024, 49(3): 256-261.

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合金元素Si、V、Ti对40Cr13马氏体不锈钢组织与性能的影响

Effects of alloying elements Si, V and Ti on microstructure and properties of 40Cr13 martensitic stainless steel

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