| 焊接方法对奥氏体不锈钢焊接接头应变强化性能的影响 |
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| 引用本文： | 苏展展,朱政强,张义福,张华,蒋六保.焊接方法对奥氏体不锈钢焊接接头应变强化性能的影响[J].兵器材料科学与工程,2019,42(1):5-10. |
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| 作者姓名： | 苏展展 朱政强 张义福 张华 蒋六保 |
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| 作者单位： | 江西省机器人与焊接自动化重点实验室,南昌大学机电工程学院,江西南昌330031;江西省机器人与焊接自动化重点实验室,南昌大学机电工程学院,江西南昌330031;九江学院机械与材料工程学院,江西九江332005;江西制氧机有限公司,江西九江,332103 |
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| 基金项目： | 国家自然科学基金;国家重点实验室开放基金 |
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| 摘 要： | 采用气体保护焊(MAG)和等离子弧焊(PAW)/钨极氩弧焊(TIG)复合焊进行06Cr19Ni10奥氏体不锈钢焊接,对这两种焊接接头进行应变量为8%的应变强化处理。研究显微组织、冲击断口形貌、力学性能的变化规律,确定不同焊接方法、应变强化工艺与接头性能的关系。结果表明:应变强化使母材形成少量马氏体组织,改变了接头组织形态、含量与分布;应变强化使接头屈服强度增大,且各力学性能均高于标准极小值;PAW/TIG复合焊可获得较优焊接接头,而应变强化使MAG焊焊接接头冲击韧性显著提高且更优;该技术使PAW/TIG复合焊焊接接头显微硬度增幅明显。
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| 关 键 词： | 应变强化 低温压力容器 气体保护焊 PAW/TIG复合焊 组织性能 |
Effect of welding methods on strain strengthening properties of austenitic stainless steel welded joints |
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| SU Zhanzhan,ZHU Zhengqiang,ZHANG Yifu,ZHANG Hua,JIANG Liubao.Effect of welding methods on strain strengthening properties of austenitic stainless steel welded joints[J].Ordnance Material Science and Engineering,2019,42(1):5-10. |
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| Authors: | SU Zhanzhan ZHU Zhengqiang ZHANG Yifu ZHANG Hua JIANG Liubao |
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| Affiliation: | (Key Laboratory for Robot &Welding Automation of Jiangxi Province,School of Mechanical &Electrical Engineering, Nanchang University,Nanchang 330031,China;School of Mechanical &Materials Engineering,Jiujiang University, Jiujiang 332005,China;Jiangxi Oxygen Plant Co.,Ltd,Jiujiang 332103,China) |
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| Abstract: | SU Zhanzhan;ZHU Zhengqiang;ZHANG Yifu;ZHANG Hua;JIANG Liubao(Key Laboratory for Robot &Welding Automation of Jiangxi Province,School of Mechanical &Electrical Engineering, Nanchang University,Nanchang 330031,China;School of Mechanical &Materials Engineering,Jiujiang University, Jiujiang 332005,China;Jiangxi Oxygen Plant Co.,Ltd,Jiujiang 332103,China) |
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| Keywords: | strain strengthening cryogenic pressure vessel gas shielded welding PAW/TIG hybrid welding microstructure and properties |
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