| 轻量化造船中薄板对接焊失稳及其临界条件 |
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| 引用本文： | 易斌,史雄华,殷咸青,周方明,王江超.轻量化造船中薄板对接焊失稳及其临界条件[J].造船技术,2019(5):6-13. |
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| 作者姓名： | 易斌 史雄华 殷咸青 周方明 王江超 |
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| 作者单位： | 华中科技大学船舶与海洋工程学院;西安交通大学金属材料强度国家重点实验室;江苏科技大学先进焊接技术省级重点实验室 |
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| 基金项目： | 国家自然科学基金(编号:51609091);中央高校基本科研业务费专项资金(编号:2018KFYYXJJ011) |
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| 摘 要： | 针对3mm厚的低碳钢薄板进行对接焊试验,使用光学面扫描方法测量焊后的面外变形,可明显地观察到“马鞍形”的失稳变形形状;使用热弹塑性有限元分析,并考虑大变形理论,再现薄板对接焊的失稳变形现象,且预测的面外变形与实际测量结果相当吻合。以焊接固有变形为载荷,进行弹性有限元分析,其预测的焊接面外变形与热弹塑性有限元分析及试验测量也具有很好的一致性。同时,通过一系列的热弹塑性有限元计算和基于固有变形增量法的弹性有限元计算都可获得该对接焊接头发生焊接失稳变形的临界条件,两个结果也相当一致。
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| 关 键 词： | 造船 薄板焊接 失稳变形 数值模拟 固有变形 大/小变形理论 |
Welding Buckling Behavior and Critical Condition of Thin Plates Butt Welding in Lightweight Shipbuilding |
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| YI Bin,SHI Xionghua,YIN Xianqing,ZHOU Fangming,WANG Jiangchao.Welding Buckling Behavior and Critical Condition of Thin Plates Butt Welding in Lightweight Shipbuilding[J].Journal of Marine Technology,2019(5):6-13. |
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| Authors: | YI Bin SHI Xionghua YIN Xianqing ZHOU Fangming WANG Jiangchao |
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| Institution: | (School of Naval Architecture and Ocean Engineering, Huazhong University of Science and Technology, Wuhan 430074,Hubei, China;State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China;Provincial Key Laboratory of Advanced Welding Technology, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu, China) |
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| Abstract: | YI Bin;SHI Xionghua;YIN Xianqing;ZHOU Fangming;WANG Jiangchao(School of Naval Architecture and Ocean Engineering, Huazhong University of Science and Technology, Wuhan 430074,Hubei, China;State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China;Provincial Key Laboratory of Advanced Welding Technology, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu, China) |
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| Keywords: | shipbuilding thin plate welding buckling deformation numerical simulation inherent deformation large/small deformation theory |
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