淬火温度对403马氏体不锈钢组织及硬度的影响

doi:10.13251/j.issn.0254-6051.2025.03.009

金属热处理 ›› 2025, Vol. 50 ›› Issue (3): 57-63.DOI: 10.13251/j.issn.0254-6051.2025.03.009

淬火温度对403马氏体不锈钢组织及硬度的影响

王广¹, 殷天青¹, 孙亚松¹, 王鑫¹, 柯汉章¹, 奚邱炎¹, 郝琛², 李子洲²

1.上海华电奉贤热电有限公司, 上海 201400;
2.华电电力科学研究院有限公司, 浙江杭州 310012

收稿日期:2024-10-08 修回日期:2025-01-13 出版日期:2025-03-25 发布日期:2025-05-14
作者简介:王广(1987—),男,工程师,学士,主要研究方向为燃气轮机运维及技术管理,E-mail:guang-wang@chd.com.cn

Effect of quenching temperature on microstructure and hardness of 403 martensitic stainless steel

Wang Guang¹, Yin Tianqing¹, Sun Yasong¹, Wang Xin¹, Ke Hanzhang¹, Xi Qiuyan¹, Hao Chen², Li Zizhou²

1. Shanghai Fengxian Gas Turbine Power Co., Ltd., Shanghai 201400, China;
2. Huadian Electric Power Research Institute Co., Ltd., Hangzhou Zhejiang 310012, China

Received:2024-10-08 Revised:2025-01-13 Online:2025-03-25 Published:2025-05-14

摘要/Abstract

摘要： 通过SEM、EBSD观察和硬度测试等手段,研究了403马氏体不锈钢在不同温度淬火(900、975、1050 ℃)和700 ℃回火后的显微组织、织构和硬度的变化。结果表明,随着淬火温度的提高,试验钢的组织为板条状马氏体,板条宽度逐渐减小。EBSD测试结果显示,随淬火温度升高,热处理后试验钢的织构强度增强、KAM值和施密特因子降低,再结晶晶粒和变形晶粒的体积分数增加,而亚结构晶粒的体积分数则减少。硬度测试结果表明,随着淬火温度的升高,显微硬度逐渐提高,分析认为主要是平均晶粒尺寸减小和施密特因子降低两方面因素共同造成的结果。

关键词: 403马氏体不锈钢, 淬火温度, 组织, 织构, 硬度

Abstract: By means of SEM and EBSD observations as well as hardness tests, the variations in microstructure, texture and hardness of 403 martensitic stainless steel after quenching at different temperatures (900, 975, 1050 ℃) and tempering at 700 ℃ were studied. The results show that with the increase of quenching temperature, the microstructure of the tested steel is lath martensite, and the lath width gradually decreases. The EBSD test results indicate that as the quenching temperature rises, the texture intensity of the tested steel after heat treatment increases, the KAM value and Schmid factor decrease, the volume fractions of recrystallized grains and deformed grains increase, while the volume fraction of substructure grains decreases. The results of hardness tests show that the microhardness gradually increases with the increase of quenching temperature, which is mainly caused by the decrease of average grain size and the decrease of Schmidt factor.

Key words: 403 martensitic stainless steel, quenching temperature, microstructure, texture, hardness

中图分类号:

TG156.3

王广, 殷天青, 孙亚松, 王鑫, 柯汉章, 奚邱炎, 郝琛, 李子洲. 淬火温度对403马氏体不锈钢组织及硬度的影响[J]. 金属热处理, 2025, 50(3): 57-63.

Wang Guang, Yin Tianqing, Sun Yasong, Wang Xin, Ke Hanzhang, Xi Qiuyan, Hao Chen, Li Zizhou. Effect of quenching temperature on microstructure and hardness of 403 martensitic stainless steel[J]. Heat Treatment of Metals, 2025, 50(3): 57-63.

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淬火温度对403马氏体不锈钢组织及硬度的影响

Effect of quenching temperature on microstructure and hardness of 403 martensitic stainless steel

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