| 随焊同步碾压焊缝改善Ly12cz焊接接头机械性能的研究 |
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| 引用本文： | 刘伟平,田锡庸,张修智,于振平.随焊同步碾压焊缝改善Ly12cz焊接接头机械性能的研究[J].材料科学与工艺,1992(Z1). |
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| 作者姓名： | 刘伟平 田锡庸 张修智 于振平 |
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| 作者单位： | 河北工学院，哈尔滨工业大学，哈尔滨工业大学，哈尔滨工业大学 |
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| 摘 要： | 利用所研制的 HNJ—1型焊接同步碾压机探讨了随焊同步碾压焊缝改善焊接接头机械性能的新工艺。试验结果表明,随焊同步碾压相对于焊后室温碾压具有更好的强化效果,并对改善接头塑性也有一定的作用。随焊同步碾压焊缝具有破碎枝晶、细化晶粒的作用,改善了焊缝显微组织。该法实现了焊接和强化一次完成,简化了焊接接头强化工艺。
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| 关 键 词： | 同步碾压 焊接 焊接接头 机械性能 LY12cz |
An Investigation on Improving Mechanical Properties of Ly 12Cz Welded Joints by Synchronous Rolling the Weld |
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| Liu Weiping.An Investigation on Improving Mechanical Properties of Ly 12Cz Welded Joints by Synchronous Rolling the Weld[J].Materials Science and Technology,1992(Z1). |
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| Authors: | Liu Weiping |
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| Affiliation: | Liu Weiping (Hebei Institute of Technology)
Tian Xitang Zhang Xiuzhi Yu Zhenping (Harbin Institute of Technology) |
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| Abstract: | In this pape, the method for improving mechanical properties of welded joints by synchronous rolling the weld(SRW)during welding has been inv estigated by use of the developed HNJ-1 type welding and synchronous roll ing machine.Experimental results show that the strengthening effect by synchronous rolling the weld during welding is better than that of room- temperature rolling after welding,and the ductility of welded joints can also be improved.The method combines strengthening with welding of joints, possesses better strengthening effect while requiring smaller rolling force, and is thus an advanced and effective strengthening technology of Welded joints. |
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| Keywords: | synchronous rolling welding welded joints mechanical properties LY12CZ |
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