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| 超低碳冷轧薄板单向拉伸过程变形机理 | |
| 引用本文： | 初元璋,黄玲,李慧琴.超低碳冷轧薄板单向拉伸过程变形机理[J].北京科技大学学报,1999,21(6):556-559. |
| 作者姓名： | 初元璋 黄玲 李慧琴 |
| 作者单位： | 1. 北京科技大学材料科学与工程学院,北京,100083 2. 重庆钢铁设计院,重庆,400013 3. 包头钢铁学院,包头,014010 |
| 摘 要： | 通过对超低碳ＩＦ钢冷轧薄钢板拉伸过程中不同变形程度的测试与扫描电镜的观察，研究了其表面形貌及组织的变化规律．探讨了超低碳钢韧性断裂中内部孔洞形成机理，并指出超低碳钢中的微孔洞不是主要由夹杂物或第二相粒子产生，而是因为位错的滑移、集聚，在原有损伤处形成． |
| 关 键 词： | 冷轧薄板 表面形貌 组织的变化 孔洞形成机理 |
Deformation Mechanism in Simple Tension of Cold-Rolled Extra-Low-Carbon Light Gauge Sheet |
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| Chu Yuanzhang,Huang Ling,Li Huiqing.Deformation Mechanism in Simple Tension of Cold-Rolled Extra-Low-Carbon Light Gauge Sheet[J].Journal of University of Science and Technology Beijing,1999,21(6):556-559. | |
| Authors: | Chu Yuanzhang Huang Ling Li Huiqing |
| Abstract: | By testing the cold-rolled extra-low-carbon light gauge sheet samples under different deformation stages and observing them by SEM, their surface pattern and the rules of the transmutation of microstructurehas been researched, and the mechanism of the formation of interior holes in gliding fracture was discussed. Theresult pointed out that it is dislocations' slipping and gathering in original impaired locations but not inclusionand second-phase pericles that is mainly responsible for formation of micro-holes in extra-low-carbon steel. |
| Keywords: | tension test surface pattern transmutation of microstructure mechanism of the formation of in-terior holes |
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