| 冷轧深冲钢的综合成形性能研究 |
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| 引用本文： | 赵春晖,吴青松.冷轧深冲钢的综合成形性能研究[J].武汉工程职业技术学院学报,2014(3):1-4. |
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| 作者姓名： | 赵春晖 吴青松 |
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| 作者单位： | 武汉钢铁(集团)公司研究院,湖北武汉430080 |
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| 摘 要： | 冷轧深冲钢(即IF钢)的成形性能是其冲压加工时保证零件质量最重要的因素。通过静态拉伸、织构分析、成形极限等试验方法,分别研究了IF钢的基本成形性能和模拟成形性能。试验结果表明:IF钢具有优异的力学性能、高的延伸率、高的应变硬化指数、高的塑性应变比以及低的平面各向异性度。此外,IF钢的成形极限较高,深冲及复杂变形时有较高的安全裕度。
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| 关 键 词： | 冷轧深冲钢 IF钢 成形性能 应变硬化指数n值 塑性应变比r值 成形极限 |
Research on Comprehensive Formability of Cold-rolled Deep-drawing Steel |
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| ZHAO Chunhui,WU Qingsong.Research on Comprehensive Formability of Cold-rolled Deep-drawing Steel[J].Journal of University for Staff and Workers of Wuhan Iron and Steel(Group)Corporation,2014(3):1-4. |
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| Authors: | ZHAO Chunhui WU Qingsong |
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| Institution: | (Research and Development Center of WISCO, Wuhan 430080, Hubei) |
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| Abstract: | The formability of cold-rolled deep-drawing steel （IF steel） is considered to be the most im-portant factor in its stamping process to ensure the quality of machine parts .The basic formability and simulating formability of IF steel is studied by the static tensile test ,texture and forming limit test .The results show that IF steel has excellent mechanical properties ,high elongation ,strain hardening exponent （n-value） ,plastic strain ratio （r-value） and low degree of planar anisotropy .In addition ,IF steel has high level of the forming limit with high safety margin in the case of deep drawing and complex deformation . |
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| Keywords: | cdd-rolled deep-drawing steel IF steel formability n-value r-value forming limit |
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