热变形对含铌奥氏体不锈钢07Cr18Ni11Nb再结晶行为的影响

doi:10.13251/j.issn.0254-6051.2022.02.011

金属热处理 ›› 2022, Vol. 47 ›› Issue (2): 59-64.DOI: 10.13251/j.issn.0254-6051.2022.02.011

热变形对含铌奥氏体不锈钢07Cr18Ni11Nb再结晶行为的影响

舒玮^1,3, 宋丽强², 张威³

1.太原钢铁(集团)有限公司先进不锈钢材料国家重点实验室, 山西太原 030003;
2.太原钢铁(集团)有限公司规划发展部, 山西太原 030003;
3.山西太钢不锈钢股份有限公司技术中心, 山西太原 030003

收稿日期:2021-10-10 修回日期:2021-12-06 出版日期:2022-02-25 发布日期:2022-04-01
作者简介:舒玮(1982—),男,高级工程师,博士,主要研究方向为镍基合金及新能源领域用特种不锈钢材料,E-mail:Shuwei@tisco.com.cn
基金资助:
山西省重点研发计划(201903D121090)

Effect of hot deformation on recrystallization behavior of niobium-bearing austenitic stainless steel 07Cr18Ni11Nb

Shu Wei^1,3, Song Liqiang², Zhang Wei³

1. State Key Laboratory of Advanced Stainless Steels, Taiyuan Iron & Steel Co., Ltd., Taiyuan Shanxi 030003, China;
2. Planning and Development Division, Taiyuan Iron & Steel Co., Ltd., Taiyuan Shanxi 030003, China;
3. Technology Center, Shanxi Taiyuan Stainless Steel Co., Ltd., Taiyuan Shanxi 030003, China

Received:2021-10-10 Revised:2021-12-06 Online:2022-02-25 Published:2022-04-01

摘要/Abstract

摘要： 采用热模拟压缩及中试热轧的试验方法,研究了热变形对含铌奥氏体不锈钢07Cr18Ni11Nb再结晶行为的影响。结果表明:热压缩变形时,试验钢再结晶程度随变形温度、变形量的升高以及变形后保温时间的延长逐渐增大;变形温度越高、变形量越大,发生再结晶所需的保温时间越短;保温时间越长,再结晶晶粒长大越明显;轧制变形时,热轧板1/4厚度处更容易发生再结晶,随着轧制温度和变形量的升高,1050 ℃轧制变形25%时可在全厚度获得完全再结晶组织。

关键词: 热变形, 07Cr18Ni11Nb含铌奥氏体不锈钢, 再结晶

Abstract: Effect of hot deformation on recrystallization behavior of niobium-bearing austenitic stainless steel 07Cr18Ni11Nb was investigated by thermal simulated compression test and pilot hot rolling test. The results show that the recrystallization degree of the steel increases with the increase of deformation temperature, deformation amount and holding time. When the deformation temperature and deformation amount are higher, the holding time required for recrystallization is shorter. The longer the holding time, the more obvious the growth of recrystallized grains. During rolling deformation, recrystallization is easier to occur at the quarter thickness of hot-rolled plate. With the increase of rolling temperature and deformation amount, fully recrystallized grains can be obtained at 1050 ℃ with rolling deformation of 25%.

Key words: hot deformation, 07Cr18Ni11Nb niobium-bearing austenitic stainless steel, recrystallization

中图分类号:

舒玮, 宋丽强, 张威. 热变形对含铌奥氏体不锈钢07Cr18Ni11Nb再结晶行为的影响[J]. 金属热处理, 2022, 47(2): 59-64.

Shu Wei, Song Liqiang, Zhang Wei. Effect of hot deformation on recrystallization behavior of niobium-bearing austenitic stainless steel 07Cr18Ni11Nb[J]. Heat Treatment of Metals, 2022, 47(2): 59-64.

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热变形对含铌奥氏体不锈钢07Cr18Ni11Nb再结晶行为的影响

Effect of hot deformation on recrystallization behavior of niobium-bearing austenitic stainless steel 07Cr18Ni11Nb

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