| 汽车焊接结构冲击拉伸强度分析 |
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| 引用本文： | 李晓峰,于跃斌,台丸古政志.汽车焊接结构冲击拉伸强度分析[J].大连铁道学院学报,2007(3). |
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| 作者姓名： | 李晓峰 于跃斌 台丸古政志 |
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| 作者单位： | 大连交通大学机械工程学院 辽宁大连116028(李晓峰，台丸古政志3)，齐齐哈尔铁路车辆(集团)有限责任公司技术中心 黑龙江齐齐哈尔161000(于跃斌) |
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| 基金项目： | 辽宁省教育厅科学科技术研究资助项目(05L052) |
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| 摘 要： | 利用改进的霍普金森棒法对汽车用钢板的圆弧焊接接头试验片进行了静强度和冲击强度的拉伸试验,得到了三种不同材料试验片的应变率、应力波、冲击破坏变形和破坏速度并对试验结果进行了分析.试验结果为车体材料的选择提供了依据.
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| 关 键 词： | 汽车 冲击拉伸强度 霍普金森棒 焊接 接头 |
Study on Impact Tensile Strength of Welded Butt Joint of Vehicle Structure |
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| LI Xiao-feng,YU Yao-bin,Daimaruya Masashi.Study on Impact Tensile Strength of Welded Butt Joint of Vehicle Structure[J].Journal of Dalian Railway Institute,2007(3). |
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| Authors: | LI Xiao-feng YU Yao-bin Daimaruya Masashi |
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| Institution: | LI Xiao-feng1,YU Yao-bin2,Daimaruya Masashi3 |
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| Abstract: | Static and impact tension tests for impact tensile strength of arc welded butt joint that could be used in vehicle body structure were carried out based on the modified spilt Hopkinson bar method,and strain rate,stress wave and impact broken deformation,deformation speed obtained from three different kinds of specimen material are compared which will be useful to choose which one is more suitable as vehicle body material. |
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| Keywords: | vehicles impact tensile strength hopkinson bar welding joint |
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