采用风冷预处理的高强钢板变强度热成形工艺

doi:10.13251/j.issn.0254-6051.2021.10.034

金属热处理 ›› 2021, Vol. 46 ›› Issue (10): 193-198.DOI: 10.13251/j.issn.0254-6051.2021.10.034

采用风冷预处理的高强钢板变强度热成形工艺

鲁玉梅¹, 闫少波¹, 王凯军¹, 李贤君², 张文良², 刘俊杰², 杨涛²

1.太原重工铸锻件分公司, 山西太原 030024;
2.北京机电研究所有限公司, 北京 100083

收稿日期:2021-07-28 出版日期:2021-10-25 发布日期:2021-12-08
通讯作者: 杨涛,硕士,E-mail:2501677188@qq.com
作者简介:鲁玉梅(1983—),女,工程师,主要研究方向为热处理工艺设计与优化,E-mail:460258403@qq.com

Hot forming technology of high strength steel sheet with tailored properties by partial cooling pretreatment

Lu Yumei¹, Yan Shaobo¹, Wang Kaijun¹, Li Xianjun², Zhang Wenliang², Liu Junjie², Yang Tao²

1. Taiyuan Heavy Industry Heavy Forging Sub Co., Taiyuan Shanxi 030024, China;
2. Beijing Research Institute of Mechanical and Electrical Technology, Beijing 100083, China

Received:2021-07-28 Online:2021-10-25 Published:2021-12-08

摘要/Abstract

摘要： 高强钢变强度热成形工艺可使同一零件不同区域具有不同的强度与塑性韧性,在保证碰撞完整性的基础上,提高零件区域延展性以实现碰撞吸能,防止碰撞侵入的目的。提出了一种基于定制区域风冷预处理的变强度热成形工艺。搭建了介质为干燥压缩空气的定制区域冷却平台,研究了射流压力0.3~0.7 MPa下,板料分区冷却的温度分布及变化规律;验证了新工艺实现高强钢的变强度热成形的可行性。研究结果表明,分区冷却过程中,随着射流压力的提高,钢板冷却速度逐渐加快,但横向测流及板料内部热传导使得过渡区宽度增加,而负压回风结构的设计则有效降低了横向测流的影响,在损失一定冷却能力的基础上降低过渡区宽度。当射流压力为0.3 MPa,添加回风结构时,当风冷区域温度降低至410 ℃(Ms点以上),硬区温度缓冷至750 ℃(Ar₃以上),经800 ℃回火及淬火后,软区得到低强度高塑性的铁素体及片状珠光体组织,硬区得到高强度低塑性的板条马氏体组织。采用新型的变强度热成形工艺及相应的定制区域冷却平台能够实现高强钢板变强度分布。

关键词: 高强钢, 热成形, 变强度, 分区冷却, 过渡区

Abstract: Compared with traditional hot forming technology, the technology with tailored properties can make different regions of the same part have different strength and plastic toughness, so as to improve the ductility of some regions of the part absorbing the collision kinetic energy, and prevent collision intrusion.A new hot forming process of high strength steel with tailored properties by partial cooling pretreatment was proposed as well designing a customized zone cooling platform with dry compressed air as the medium. The temperature distribution and variation of the plate under partial cooling with the jet pressure of 0.3-0.7 MPa and the influence of return air structure on the cooling capacity and transition zone width of the platform were studied. The results show that when the jet pressure is 0.3 MPa and the air return structure is added, when the air cooling zone temperature is reduced to 410 ℃ (Ms), the hard zone temperature is slowly cooled to 750 ℃ (above Ar₃). After tempering at 800 ℃ and quenching, the soft zone comprises low-strength and high-plasticity ferrite and lamellar pearlite microstructure, and the hard zone comprises high-strength and low-plasticity lath martensite microstructure. These show that the high strength steel plate with tailored properties can be obtained with the new hot forming process and the customized zone cooling platform.

Key words: high strength steel, hot forming, tailored properties, partial cooling, transition zone

中图分类号:

TG162.83

鲁玉梅, 闫少波, 王凯军, 李贤君, 张文良, 刘俊杰, 杨涛. 采用风冷预处理的高强钢板变强度热成形工艺[J]. 金属热处理, 2021, 46(10): 193-198.

Lu Yumei, Yan Shaobo, Wang Kaijun, Li Xianjun, Zhang Wenliang, Liu Junjie, Yang Tao. Hot forming technology of high strength steel sheet with tailored properties by partial cooling pretreatment[J]. Heat Treatment of Metals, 2021, 46(10): 193-198.

参考文献

[1]Karbasian H, Tekkaya A E. A review on hot stamping [J]. Journal of Materials Processing Technology, 2010, 210(15): 2103-2118.
[2]陈鹰, 张英建, 董瀚, 等. 提高汽车安全性的先进高强钢高效成形技术[J]. 钢铁研究学报, 2015, 27(6): 1-6.
Chen Ying, Zhang Yingjian, Dong Han, et al. Efficient forming technology of advanced high strength steel for car crashworthiness improvement[J]. Journal of Iron and Steel Research, 2015, 27(6): 1-6.
[3]李激光, 张金栋, 黄海亮, 等. 高强汽车用钢的研究现状及发展趋势[J]. 材料导报, 2012, 26(S1): 397-401.
Li Jiguang, Zhang Jindong, Huang Hailiang, et al. Research status and development trend of high strength steel for automotive use[J]. Materials Reports, 2012, 26(S1): 397-401.
[4]Bardelcik A, Worswick M J, Winkler S, et al. A strain rate sensitive constitutive model for quenched boron steel with tailored properties[J]. International Journal of Impact Engineering, 2012, 50: 49-62.
[5]薛飞, 刘晓龙, 张宜生, 等. 局部加热的高强钢热成形变强度工艺[J]. 热加工工艺, 2018, 47(13): 41-44.
Xue Fei, Liu Xiaolong, Zhang Yisheng, et al. Hot forming technology of high strength steel with tailored properties by partial heating[J]. Hot Working Technology, 2018, 47(13): 41-44.
[6]Tobias Konrad, Peter Feuser. Improvement of the ductility of press-hardened plane sheets through a modified heat treatment [J]. Key Engineering Materials, 2015, 639: 243-248.
[7]Onur Çavuşoğlu, Oktay Çavuşoğ lu, Ahmet Gürkan Yılmazoğlu, et al. Microstructural features and mechanical properties of 22MnB5 hot stamping steel in different heat treatment conditions[J]. Journal of Materials Research and Technology, 2020, 9(5): 10901-10908.
[8]Ping H , Liang Y , He B. Hot Stamping Advanced Manufacturing Technology of Lightweight Car Body[M]. Springer Singapore, 2017.
[9]Behrens B A, Maier H J, Nürnberger F, et al. Hot Forming and Subsequent Cooling Outside the Press for Adjusted Tailored Properties of 22MnB5 Steel Sheets[C]// Proceedings of 5th International Conference of Hot Sheet Metal Forming of High-Performance Steel, Toronto, 2015: 35-42.
[10]Mori K, Bariani P F, Behrens B A, et al. Hot stamping of ultra-high strength steel parts[J]. CIRP Annals-Manufacturing Technology, 2017, 66: 755-777.
[11]贺连芳. 硼钢B1500HS的热冲压关键参数测试及其淬火性能研究[D]. 济南: 山东大学, 2012.

[1]	王琪, 吴光亮. 回火温度对1100 MPa级高强钢组织与性能的影响[J]. 金属热处理, 2022, 47(4): 146-150.
[2]	郭亚洲, 宋宁宏, 倪雷, 凌华, 毕文珍, 韦习成. B1800HS热成形钢组织转变的JMatPro计算和试验研究[J]. 金属热处理, 2022, 47(3): 239-244.
[3]	朱赫男, 陈刚, 杨佳伟, 张志建. Ti微合金化对22MnB5热成形钢组织和性能的影响[J]. 金属热处理, 2022, 47(1): 125-129.
[4]	曹晨, 黄春玲, 曹宇鹏, 杨阳, 杨聪. 激光冲击对690高强钢表面完整性的影响[J]. 金属热处理, 2021, 46(9): 247-251.
[5]	李灿明. 高强高韧钢Q960E的生产工艺[J]. 金属热处理, 2021, 46(7): 182-186.
[6]	贾冬生, 洪振军, 王小海, 王毛球, 毛路, 张瑞君. 氮-甲醇保护气氛对45CrNiMoVA高强钢氢致断裂的影响[J]. 金属热处理, 2021, 46(7): 233-237.
[7]	杨鹏, 张朋彦, 纪久张. 两相区淬火+回火对600 MPa级低合金高强钢组织与性能的影响[J]. 金属热处理, 2021, 46(6): 59-64.
[8]	肖大恒, 张雅静, 何航, 脱臣德, 袁睿, 武会宾. 100 mm厚S420高强钢的热处理工艺及焊接性能[J]. 金属热处理, 2021, 46(6): 107-110.
[9]	王玉静, 吴光亮. 工程机械用高强钢Q1100热处理参数及热物理性能预测[J]. 金属热处理, 2021, 46(6): 172-176.
[10]	晋家春, 邓宗吉, 杨峥, 李子涛, 卢茜倩, 崔磊, 刘永刚, 詹华. 加热工艺对1800 MPa级热成形钢冷弯性能的影响[J]. 金属热处理, 2021, 46(4): 126-130.
[11]	李灿明. 回火温度对1100 MPa钢组织和性能的影响[J]. 金属热处理, 2021, 46(4): 143-146.
[12]	李姚君, 黄海, 顾青, 兰箭. GH4169合金机匣环件热成形晶粒可控的加热规范制定方法[J]. 金属热处理, 2021, 46(4): 200-204.
[13]	孙岩, 赵楠, 薛峰, 安治国, 郭银涛. 960 MPa级高强钢的连续冷却转变[J]. 金属热处理, 2021, 46(3): 166-169.
[14]	陈波, 魏焕君, 耿志宇, 华永兴, 张继国, 薛力强, 毕彦雷. 热成形钢的脱碳影响因素分析[J]. 金属热处理, 2021, 46(2): 161-167.
[15]	杨世亮, 李立航, 戴浩, 李智勇, 赵桐. 电子束焊接对调质15CrMnMoVA高强钢组织及性能的影响[J]. 金属热处理, 2021, 46(10): 187-192.

采用风冷预处理的高强钢板变强度热成形工艺

Hot forming technology of high strength steel sheet with tailored properties by partial cooling pretreatment

PDF

可视化

摘要/Abstract

引用本文

使用本文

参考文献

相关文章 15

编辑推荐

Metrics

本文评价