| 反胀对双相钢复杂曲面件充液拉深变形的影响 |
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| 引用本文： | 陈保国,宋波,黄志斌,何雪婷,徐永超,苑世剑. 反胀对双相钢复杂曲面件充液拉深变形的影响[J]. 锻压技术, 2015, 40(1): 43-47 |
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| 作者姓名： | 陈保国 宋波 黄志斌 何雪婷 徐永超 苑世剑 |
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| 作者单位： | 上海飞机制造有限公司;哈尔滨工业大学材料科学与工程学院 |
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| 摘 要： | 采用包含反胀、压平和拉深成形三个阶段的反胀充液拉深成形方法,得到不同反胀预变形时双相钢DP590的反胀预成形件和终成形件,研究了反胀对充液拉深成形件壁厚、应变的影响。结果表明:对于复杂曲面件反胀充液拉深,反胀高度存在极限值,当超过极限值时,试件出现折叠缺陷,限制了反胀量的提高;相对于普通充液拉深,反胀充液拉深对复杂曲面件底部有一定的强化效果,当相对反胀高度为16%时,可使底部壁厚减薄率增加2%、等效应变增大0.03,并且底部变形量随着反胀高度的增大而增加,而对直壁处变形基本无影响。
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| 关 键 词： | 充液拉深 反胀 双相钢 复杂曲面件 |
Influence of backward-bulging on deformation of complex-shaped parts of dual-phase steel in hydrodynamic deep drawing process (HDD) |
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| Chen Baoguo;Song Bo;Huang Zhibin;He Xueting;Xu Yongchao;Yuan Shijian. Influence of backward-bulging on deformation of complex-shaped parts of dual-phase steel in hydrodynamic deep drawing process (HDD)[J]. Forging & Stamping Technology, 2015, 40(1): 43-47 |
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| Authors: | Chen Baoguo Song Bo Huang Zhibin He Xueting Xu Yongchao Yuan Shijian |
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| Affiliation: | Chen Baoguo;Song Bo;Huang Zhibin;He Xueting;Xu Yongchao;Yuan Shijian;Shanghai Aircraft Manufacturing Co. ,Ltd.;School of Materials Science and Engineering,Harbin Institute of Technology; |
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| Abstract: | |
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| Keywords: | hydrodynamic deep drawing (HDD) backward-bulging dual-phase steel complex curved surface part |
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