| 汽车发动机排气歧管的内高压成形技术 |
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| 引用本文： | 滕步刚,刘钢,苑世剑,苑文婧,杨华.汽车发动机排气歧管的内高压成形技术[J].塑性工程学报,2007,14(3):88-92. |
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| 作者姓名： | 滕步刚 刘钢 苑世剑 苑文婧 杨华 |
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| 作者单位： | 哈尔滨工业大学,材料科学与工程学院,哈尔滨,150001 |
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| 摘 要： | 研究了Y型三通管的内高压成形工艺过程,分析了成形过程中过渡区起皱及支管破裂等缺陷产生的原因,从而为实际生产中的Y型三通管内高压成形工艺设计提供了相关指导。利用所成形的Y型三通管制造了汽车发动机排气歧管样件,为内高压成形技术在汽车行业的推广应用奠定了理论与实验基础。
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| 关 键 词： | 内高压成形 液压成形 Y型三通管 排气管 |
| 文章编号： | 1007-2012（2007）03-0088-05 |
| 收稿时间： | 2006-07-29 |
| 修稿时间： | 2006-07-292006-12-22 |
Internal high pressure forming technology used for manufacturing exhaust pipes of automotive engine |
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| TENG Bu-gang,LIU Gang,YUAN Shi-jian,YUAN Wen-jing,YANG Hua.Internal high pressure forming technology used for manufacturing exhaust pipes of automotive engine[J].Journal of Plasticity Engineering,2007,14(3):88-92. |
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| Authors: | TENG Bu-gang LIU Gang YUAN Shi-jian YUAN Wen-jing YANG Hua |
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| Affiliation: | School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001 China |
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| Abstract: | An investigation has been conducted for hydroforming Y-shaped branch tubes. Failure modes are analyzed such as the transition zone wrinkling and the protrusion bursting. This gives guidance for manufacturing the Y-shaped tubes used in automotive exhaust system. And also a sample of exhaust pipes of automotive engine is assembled in this research. It provided theoretical and experimental fundament for extending the application of internal high pressure forming technology into automotive industry. |
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| Keywords: | internal high pressure forming hydroforming Y-shaped tube exhaust pipe |
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