Resistance to Deformation and Structure Evolution of Dual Phase Steel 00Cr22Ni5Mo3N Plane-Strain Compressing with High Strain Rate

Special Steel ›› 2007, Vol. 28 ›› Issue (5): 10-12.

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Resistance to Deformation and Structure Evolution of Dual Phase Steel 00Cr22Ni5Mo3N Plane-Strain Compressing with High Strain Rate

Mao Weiqiang^1,2 , Song Zhigang² , Wang Huakun¹ , Zheng Wenjie² , Chen Bin² , Song Hongmei³ , Li Buming⁴

1. School of Materials and Metallurgy Engineering,Kunming University of Science and Technology,Kunming 650093;
2. Central Iron and Steel Research Institute,Beijing 100081;
3. Technical Center,Baoshan Iron and Steel Co Ltd,Shanghai 201900;
4. Shanghai No l Steel Co.,Ld., Baosteel,Shanghai 200431;

Received:2007-03-26 Online:2007-10-01 Published:2023-02-13

高应变速率平面压缩00Cr22Ni5Mo3N双相钢的变形抗力和组织变化

毛伟强^1,2, 宋志刚², 王华昆¹, 郑文杰², 陈斌², 宋红梅³, 李步明⁴

1. 昆明理工大学材料与冶金学院，昆明 650093;
2. 钢铁研究总院结构材料研究所，北京 100081;
3. 宝钢股份公司技术中心，上海 201900;
4. 宝钢上海第一钢铁有限公司，上海 200431;

作者简介:毛伟强(1980-)，男，研究生，2003年湖南科技大学毕业，不锈钢研究。

Abstract

Abstract: The plane-strain compression test with strain rate 10 s-1 and 50 s-1 at 900~1200 ℃ for forged dual phase stainless steel 00Cr22Ni5Mo3N has been carried out by Gleeble 3800 simulation test machine.Test results showed that with increasing deformation temperature the peak resistance to deformation of the dual phase steel abruptly decreased and as the strain rate increased from 10 s-1 to 50 s-1 the peak stress of dual phase steel increased by 40～60 MPa; with deformation at 1000~1200 ℃ the recovery and recrystallization of ferrite structure in steel occurred where austenite partially softened by accumulation of dislocation and formation of subgrain boundary.

Key words: Dual Phase Steel 00Cr22Ni5Mo3N, High Stain-Rate, Peak Stress, Recovery, Recrystallization

摘要： 采用Gleeble 3800模拟试验机对锻态00Cr22Ni5M03N双相不锈钢进行900～1200℃,应变速率为10 s^-1和50 s^-1的平面应变试验。结果表明,双相钢的峰值变形抗力随变形温度升高急剧降低,并且当应变速率由10 s^-1提高到50 s^-1时双相钢的峰值应力提高40～60 MPa;在1 000～1200℃变形,钢中铁素体组织发生动态回复和再结晶,奥氏体通过位错的聚集、亚晶界形成发生部分软化。

关键词: 00Cr22Ni5Mo3N双相钢, 高应变速率, 峰值应力, 回复, 再结晶

Mao Weiqiang , Song Zhigang , Wang Huakun , Zheng Wenjie , Chen Bin , Song Hongmei , Li Buming. Resistance to Deformation and Structure Evolution of Dual Phase Steel 00Cr22Ni5Mo3N Plane-Strain Compressing with High Strain Rate[J]. Special Steel, 2007, 28(5): 10-12.

毛伟强, 宋志刚, 王华昆, 郑文杰, 陈斌, 宋红梅, 李步明. 高应变速率平面压缩00Cr22Ni5Mo3N双相钢的变形抗力和组织变化[J]. 特殊钢, 2007, 28(5): 10-12.

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Resistance to Deformation and Structure Evolution of Dual Phase Steel 00Cr22Ni5Mo3N Plane-Strain Compressing with High Strain Rate

高应变速率平面压缩00Cr22Ni5Mo3N双相钢的变形抗力和组织变化

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