| 连续变截面管激光焊接接头的组织与性能 |
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| 引用本文： | 周方明,徐威,苏晨,池金波,颜益.连续变截面管激光焊接接头的组织与性能[J].有色金属工程,2014,4(2). |
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| 作者姓名： | 周方明 徐威 苏晨 池金波 颜益 |
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| 作者单位： | 江苏省先进焊接技术重点实验室,江苏省先进焊接技术重点实验室,上海泛亚汽车技术中心有限公司,上海和达汽车配件有限公司,上海和达汽车配件有限公司 |
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| 摘 要： | 以仪表板横梁支架部件连续变截面管为研究对象,分析CO2激光焊后焊接接头的组织与性能。对具有代表性质的1.00mm厚和2.00厚的焊缝横截面进行金相组织检验和硬度检测,分析接头各区域的金相组织及其硬度变化。结果表明：在合适的工艺参数下,能够获得表面成形良好的焊接接头；热影响区域宽度窄,组织细密；焊缝中存在适量的马氏体,提高了焊缝的硬度。
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| 关 键 词： | 激光焊接 焊接接头 金相组织 |
Microstructure and properties of joints of Tailor Rolled Blankswelded by laser beam welding |
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| Zhou Fangming,Xu Wei,Su Chen,Chi Jinbo and Yan Yi.Microstructure and properties of joints of Tailor Rolled Blankswelded by laser beam welding[J].Nonferrous Metals Engineering,2014,4(2). |
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| Authors: | Zhou Fangming Xu Wei Su Chen Chi Jinbo and Yan Yi |
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| Affiliation: | Advanced Welding Technology Key Laboratory of Jiangsu Province,Advanced Welding Technology Key Laboratory of Jiangsu Province,Pan Asia Technical Automotive Center Co.,Ltd,Shanghai Heda Auto accessory Co., Ltd.,Shanghai Heda Auto accessory Co., Ltd. |
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| Abstract: | The CO2 laser beam was used to welded the tailor rolled blanks of the Cross Car Beam , the microstructure and mechanical properties of the joints were studied . Metallographic examination were made for the a representative cross-section welding that the thickness is 1mm and 2mm after welding then analyse. the changes of the microstructure and hardness in the joint area. The study shows that a favorable weld can be obtained under the suitable parameters; the width of the HAZ is narrow , the right amount of the martensite exist in the weld joint improve the hardness of the weld. |
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| Keywords: | laser welding welded joints microstructure |
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