退火工艺对B430LNT铁素体不锈钢织构及成形性能的影响

doi:10.13251/j.issn.0254-6051.2025.12.026

金属热处理 ›› 2025, Vol. 50 ›› Issue (12): 171-175.DOI: 10.13251/j.issn.0254-6051.2025.12.026

退火工艺对B430LNT铁素体不锈钢织构及成形性能的影响

李鸿煊, 王宇阔, 罗亚龙, 苗露阳, 张驰

大连理工大学材料科学与工程学院, 辽宁大连 116024

收稿日期:2025-08-02 修回日期:2025-10-25 发布日期:2026-01-06
通讯作者: 张驰,副教授,博士,E-mail:zhangchi@mail.dlut.edu.cn
作者简介:李鸿煊(2000—),女,硕士研究生,主要研究方向为金属材料组织与织构,E-mail:lhx@mail.dlut.edu.cn。

Effect of annealing process on texture and formability of B430LNT ferritic stainless steel

Li Hongxuan, Wang Yukuo, Luo Yalong, Miao Luyang, Zhang Chi

School of Materials Science and Engineering, Dalian University of Technology, Dalian Liaoning 116024, China

Received:2025-08-02 Revised:2025-10-25 Published:2026-01-06

摘要/Abstract

摘要： 以B430LNT铁素体不锈钢为研究对象,用电子背散射衍射技术(EBSD)、万能拉伸试验机、粗糙度形貌仪等设备测量并分析退火工艺对B430LNT铁素体不锈钢织构及成形性能的影响。结果表明,随着退火温度从900 ℃升高至1000 ℃,成品板晶粒尺寸不断增大,γ-取向织构强度先增大后减小;随着保温时间从5 min延长到15 min,晶粒不断长大,织构取向越偏离γ-取向,成形性能和抗起皱性越差。当950 ℃退火5 min时,晶粒尺寸均匀,γ-取向织构强度高,有良好的成形性能和抗起皱性。

关键词: 铁素体不锈钢, 退火, 织构, 成形性能

Abstract: Effect of annealing process on texture and formability of B430LNT ferritic stainless steel was investigated and analyzed using electron backscatter diffraction technology (EBSD), universal tensile testing machine, roughness morphology analyzer and other equipment. The results show that as the annealing temperature increases from 900 ℃ to 1000 ℃, the grain size of the finished plate continues to increase, and the strength of the γ-oriented texture first increases and then decreases. As the annealing time is extended from 5 min to 15 min, the grain size continues to grow, and the texture orientation deviates more from the γ-orientation, resulting in poorer formability and wrinkle resistance. When annealed at 950 ℃ for 5 min, the grain size is uniform, the γ-oriented texture strength is high, and it has good formability and wrinkle resistance.

Key words: ferritic stainless steel, annealing, texture, formability

中图分类号:

TG161

李鸿煊, 王宇阔, 罗亚龙, 苗露阳, 张驰. 退火工艺对B430LNT铁素体不锈钢织构及成形性能的影响[J]. 金属热处理, 2025, 50(12): 171-175.

Li Hongxuan, Wang Yukuo, Luo Yalong, Miao Luyang, Zhang Chi. Effect of annealing process on texture and formability of B430LNT ferritic stainless steel[J]. Heat Treatment of Metals, 2025, 50(12): 171-175.

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退火工艺对B430LNT铁素体不锈钢织构及成形性能的影响

Effect of annealing process on texture and formability of B430LNT ferritic stainless steel

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