Mn18Cr18N高氮奥氏体不锈钢的高温力学性能

doi:10.13251/j.issn.0254-6051.2022.01.029

金属热处理 ›› 2022, Vol. 47 ›› Issue (1): 172-177.DOI: 10.13251/j.issn.0254-6051.2022.01.029

Mn18Cr18N高氮奥氏体不锈钢的高温力学性能

王英虎¹, 郑淮北¹, 白青青¹, 宋令玺¹, 胡进², 黄博²

1.成都先进金属材料产业技术研究院股份有限公司, 四川成都 610000;
2.攀钢集团江油长城特殊钢有限公司, 四川江油 621704

收稿日期:2021-06-28 修回日期:2021-08-30 出版日期:2022-01-25 发布日期:2022-02-18
作者简介:王英虎(1992—),男,工程师,硕士,主要研究方向为先进金属材料及加工技术,E-mail:hihihowareyou@163.com

High temperature mechanical properties of Mn18Cr18N high nitrogen austenitic stainless steel

Wang Yinghu¹, Zheng Huaibei¹, Bai Qingqing¹, Song Lingxi¹, Hu Jin², Huang Bo²

1. Chengdu Advanced Metal Material Industry Technology Research Institute Co., Ltd., Chengdu Sichuan 610000, China;
2. Pangang Group Jiangyou Changcheng Special Steel Co., Ltd., Jiangyou Sichuan 621704, China

Received:2021-06-28 Revised:2021-08-30 Online:2022-01-25 Published:2022-02-18

摘要/Abstract

摘要： 采用Gleeble-2000热模拟试验机对Mn18Cr18N高氮奥氏体不锈钢进行高温拉伸试验,利用扫描电镜-能谱仪对拉伸试样断口形貌及断口附近的显微组织进行观察,用Thermo-Calc软件计算试验钢的相变及析出相,研究了Mn18Cr18N高氮奥氏体不锈钢的高温力学性能。结果表明,试验钢的第Ⅰ脆性区＞1200 ℃,第Ⅲ脆性区为850~950 ℃,未出现第Ⅱ脆性区,第Ⅰ脆性区的出现主要是在加热过程中试验钢由γ奥氏体向δ铁素体转变引起的,第Ⅲ脆性区的出现是因为沿晶析出M₂₃C₆、M₂(C, N)等硬脆相引起的;试验钢的抗拉强度随着拉伸温度升高而降低,断面收缩率在1000~1200 ℃温度范围内逐渐增大并表现出极佳的热塑性,断面收缩率均在70%以上,温度超过1200 ℃后断面收缩率急剧下降;Mn18Cr18N高氮奥氏体不锈钢的热锻温度应选择在1000~1150 ℃之间,在此温度范围内试验钢的断面收缩率均在70%以上,并且可以避开第Ⅰ与第Ⅲ脆性区。

关键词: 高氮奥氏体不锈钢, 高温力学性能, 高温拉伸试验, 强塑性, Thermo-Calc软件

Abstract: High temperature mechanical properties of the Mn18Cr18N high nitrogen austenitic stainless steel were studied, with the high temperature tensile test being carried out by Gleeble-2000 thermal simulation testing machine, the fracture morphology and vicinity microstructure of the tensile specimens being observed by scanning electron microscopy-energy dispersive spectrometer, and the phase transformation and precipitated phases of the tested steel being studied by Thermo-Calc calculation. The results show that the corresponding temperature of brittle zone Ⅰ of the tested steel is higher than 1200 ℃, and that of brittle zone Ⅲ is 850-950 ℃, while the brittle zone Ⅱ does not appear. The appearance of the brittle zone Ⅰ is mainly caused by the transformation from γ austenite to δ ferrite during heating process of the tested steel, and that of the brittle zone Ⅲ is caused by the intergranular hard and brittle precipitated phases such as M₂₃C₆ and M₂(C, N). With the increase of tensile test temperature, the tensile strength of the tested steel decreases. The reduction of area gradually increases in the temperature range of 1000-1200 ℃ and shows excellent thermoplasticity, which is above 70%. While when the temperature exceeds 1200 ℃, the reduction of area decreases sharply. The hot forging temperature of the Mn18Cr18N high nitrogen austenitic stainless steel should be selected between 1000 ℃ and 1150 ℃, during which the reduction of area of the tested steel is above 70%, and the brittle zones Ⅰ and Ⅲ can be avoided.

Key words: high nitrogen austenitic stainless steel, high temperature mechanical properties, high temperature tensile test, strength and plasticity, Thermo-Calc software

中图分类号:

TG142.7

王英虎, 郑淮北, 白青青, 宋令玺, 胡进, 黄博. Mn18Cr18N高氮奥氏体不锈钢的高温力学性能[J]. 金属热处理, 2022, 47(1): 172-177.

Wang Yinghu, Zheng Huaibei, Bai Qingqing, Song Lingxi, Hu Jin, Huang Bo. High temperature mechanical properties of Mn18Cr18N high nitrogen austenitic stainless steel[J]. Heat Treatment of Metals, 2022, 47(1): 172-177.

参考文献

[1]Noneder H, Merklein M. Manufacturing of complex high strength components out of high nitrogen steels at industrial level[J]. Transactions of Nonferrous Metals Society of China, 2012, 22(S2): 512-158.
[2]刘玮, 秦凤明, 陈慧琴, 等. Mn18Cr18N钢的时效析出行为及对力学性能的影响[J]. 金属热处理, 2018, 43(8): 49-54.
Liu Wei, Qin Fengming, Chen Huiqin, et al. Aging precipitation behavior and its influence on mechanical properties of Mn18Cr18N steel[J]. Heat Treatment of Metals, 2018, 43(8): 49-54.
[3]Frehser H, Kubisch C. Metallurgie and eigenschaften unter hohem druck erschmolzener-stickstoffhaltiger stahle[J]. Bergund Huttenmannische Monatshefte, 1963, 108(11): 369-380.
[4]Moon J, Ha H Y, Lee T H. Corrosion behavior in high heat input welded heat-affected zone of Ni-free high-nitrogen Fe-18Cr-10Mn-N austenitic stainless steel[J]. Materials Characterization, 2013(82): 113-119.
[5]赵林, 金东国, 高建军, 等. Mn18Cr18N护环钢电渣重熔工艺的研究[J]. 大型铸锻件, 1997(3): 22-27.
Zhao Lin, Jin Dongguo, Gao Jianjun, et al. Research of ESR for Mn18Cr18N steel retaining rings[J]. Heavy Casting and Forging, 1997(3): 22-27.
[6]周维智, 孙晓洁, 徐国涛. Mn18Cr18N钢护环生产工艺研究概况[J]. 大型铸锻件, 2001(1): 52-54.
Zhou Weizhi, Sun Xiaojie, Xu Guotao. Survey of researching production technology for Mn18Cr18N steel retaining ring[J]. Heavy Casting and Forging, 2001(1): 52-54.
[7]姜周华, 刘喜海, 张颖, 等. 电渣重熔Mn18Cr18N钢铸态热塑性与组织的关系[J]. 钢铁研究学报, 1998, 10(6): 37-40.
Jiang Zhouhua, Liu Xihai, Zhang Ying, et al. Relationship between thermoplasticity and related structure of Mn18Cr18N ESR steel as-cast[J]. Journal of Iron and Steel Research, 1998, 10(6): 37-40.
[8]何文武, 刘建生, 郭银芳, 等. Mn18Cr18N护环钢多火次锻造微观组织演变及模拟[J]. 塑性工程学报, 2010, 17(2): 45-49.
He Wenwu, Liu Jiansheng, Guo Yinfang, et al. Microstructure evolution of multi-heats forging of Mn18Cr18N retaining ring steel and numerical simulation[J]. Journal of Plasticity Engineering, 2010, 17(2): 45-49.
[9]郭银芳, 刘建生, 何文武. Mn18Cr18N护环钢的动态再结晶行为及功率耗散图[J]. 机械工程材料, 2010, 34(3): 5-8.
Guo Yinfang, Liu Jiansheng, He Wenwu. Dynamic recrystallization behavior and power dissipation map of Mn18Cr18N retaining ring steel[J]. Materials for Mechanical Engineering, 2010, 34(3): 5-8.
[10]魏新鹏, 刘建生, 何文武. Mn18Cr18N钢热锻过程中损伤的研究[J]. 锻压技术, 2010, 35(5): 11-15.
Wei Xinpeng, Liu Jiansheng, He Wenwu. Investigation on Mn18Cr18N steel damage during hot forging[J]. Forging and Stamping Technology, 2010, 35(5): 11-15.
[11]Chen Huiqin, Wang Zhenxing, Qin Fengming, et al. Hot deformation behavior and processing maps of as-cast Mn18Cr18N steel[J]. Journal of Wuhan University of Technology, 2017, 32 (4): 935-943.
[12]王敏, 郎宇平, 吴兴惠. 温度对Mn16Cr22Ni1.6N0.6高氮钢的热变形行为和组织的影响[J]. 特殊钢, 2010, 31(2): 66-68.
Wang Min, Lang Yuping, Wu Xinghui. Effect of temperature on behavior of hot deformation and structure of high nitrogen steel Mn16Cr22Ni1.6N0.6[J]. Special Steel, 2010, 31(2): 66-68.
[13]王利军, 李永超, 王成杰, 等. 铌-钛微合金化中碳硼钢连铸坯的高温力学性能[J]. 特殊钢, 2020, 41(3): 67-71.
Wang Lijun, Li Yongchao, Wang Chengjie, et al. High temperature mechanical property of casting bloom of Nb-Ti microalloying medium-carbon-boron steel[J]. Special Steel, 2020, 41(3): 67-71.
[14]颜建新, 唐伟, 项利, 等. 无取向硅钢相变点及其高温力学性能[J]. 金属热处理, 2015, 40(3): 38-42.
Yan Jianxin, Tang Wei, Xiang Li, et al. Phase transition point and high-temperature mechanical properties of non-oriented silicon steel[J]. Heat Treatment of Metals, 2015, 40(3): 38-42.
[15]秦凤明, 李亚杰, 赵晓东, 等. 含N量对Mn18Cr18N奥氏体不锈钢的析出行为及力学性能的影响[J]. 金属学报, 2018, 54(1): 55-64.
Qin Fengming, Li Yajie, Zhao Xiaodong, et al. Effect of nitrogen content on precipitation behavior and mechanical properties of Mn18Cr18N austenitic stainless steel[J]. Acta Metallurgica Sinica, 2018, 54(1): 55-64.
[16]张进, 李静媛, 王一德, 等. Mn18Cr18高氮钢热加工工艺的研究[J]. 锻压技术, 2009, 34(1): 10-13.
Zhang Jin, Li Jingyuan, Wang Yide, et al. Research on hot forming process of Mn18Cr18 high nitrogen steel[J]. Forging and Stamping Technology, 2009, 34(1): 10-13.
[17]束林德. 工程材料力学性能[M]. 北京: 机械工业出版社, 2015.

Mn18Cr18N高氮奥氏体不锈钢的高温力学性能

High temperature mechanical properties of Mn18Cr18N high nitrogen austenitic stainless steel

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