| 典型焊接接头固有应变的影响因素研究 |
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| 引用本文： | 周宏,蒋志勇,朱枳锋,朱红娟. 典型焊接接头固有应变的影响因素研究[J]. 船舶工程, 2010, 32(5): 53-57. DOI: 10.3969/j.issn.1000-6982.2010.05.016 |
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| 作者姓名： | 周宏 蒋志勇 朱枳锋 朱红娟 |
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| 作者单位： | 江苏科技大学,船舶与海洋工程学院,镇江,212003;上海交通大学,船舶海洋与建筑工程学院,上海,200030;江苏科技大学,船舶与海洋工程学院,镇江,212003 |
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| 基金项目： | 江苏省高校自然科学基金(2009QT084J) |
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| 摘 要： | 基于热弹塑性有限元法采用多线性各向同性强化原则对船级钢T型接头的焊接过程进行了数值模拟,重点研究分析热输入量、焊接速度及焊脚长对固有变形的影响.从T型接头的固有应变数值分析与实验结果对比可以得到:当热输入量一致,数值计算的温度场和角变形与试验结果基本一致;角变形随着焊接速度和焊脚长增大,先增大后减小;横向收缩与纵向收缩率则有着不同的比例关系。
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| 关 键 词： | 焊接接头 热弹塑性有限元 固有应变 热输入量 |
Study on the Effect Factors of Inherent Deformation of Typical Welding Joint |
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| ZHOU Hong,JIANG Zhi-yong,ZHU Zhi-feng,ZHU Hong-juan. Study on the Effect Factors of Inherent Deformation of Typical Welding Joint[J]. Ship Engineering, 2010, 32(5): 53-57. DOI: 10.3969/j.issn.1000-6982.2010.05.016 |
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| Authors: | ZHOU Hong JIANG Zhi-yong ZHU Zhi-feng ZHU Hong-juan |
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| Affiliation: | ZHOU Hong1,2,JIANG Zhi-yong1,ZHU Zhi-feng2,ZHU Hong-juan1(1.School of Naval Architecture , Ocean Engineering,Jiangsu University of Science , Technology,Zhenjiang 212003,China,2.School of Naval Architecture Ocean , Civil Engineering,Shanghai Jiao Tong University,Shanghai 200030,China) |
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| Abstract: | The article carried a numerical simulation T-joint to simulate the welding process based on thermal elastic-plastic finite element method,adopt multi-linear isotropic hardening principles,focusing on the effect of the amount of thermal inputting,the velocity and the fillet length on the inherent deformation.It can be inferred from the results of the comparison between numerical analysis of inherent deformation of T-joint and experimental results,when the amount of thermal inputting are equal,the temperature... |
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| Keywords: | welding joint thermal elastic-plastic finite element inherent deformation heat input |
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