| A105钢双丝埋弧焊厚板对接试验及测量系统 |
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| 引用本文： | 徐济进,陈立功,张敏,邬佑靖.A105钢双丝埋弧焊厚板对接试验及测量系统[J].焊接学报,2006,27(8):95-98. |
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| 作者姓名： | 徐济进 陈立功 张敏 邬佑靖 |
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| 作者单位： | 上海交通大学,材料科学与工程学院,上海,200030;上海耐莱斯·詹姆斯伯雷阀门有限公司,上海,200092 |
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| 摘 要： | 介绍了焊接电流、电压、温度、变形及残余应力测量系统,建立了A105钢厚板单电源双丝埋弧焊对接试验的方案.在试验过程中,使用测量系统分别测量焊接电流、电压、温度、变形及残余应力,验证测量系统的稳定性及可靠性.结果表明,单电源双丝自动埋弧焊熔敷率高、热输入低,可满足大直径全焊接阀体球阀的制造要求.测量系统稳定,焊接试验过程获得温度、变形、电流、电压实时动态测量结果以及焊后残余应力测量的结果,为阀门的焊接、制造及设计合理的结构提供试验依据.
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| 关 键 词： | 单电源双丝埋弧焊 西气东输 阀门 测量系统 |
| 文章编号： | 0253-360X（2006）08-095-04 |
| 收稿时间： | 06 20 2005 12:00AM |
| 修稿时间： | 2005-06-20 |
Butt welding and measurement system of twin-wire submerged arc welding of thick A105 steel plate |
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| XU Jijin,CHEN Ligong,ZHANG Min and WU Youjing.Butt welding and measurement system of twin-wire submerged arc welding of thick A105 steel plate[J].Transactions of The China Welding Institution,2006,27(8):95-98. |
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| Authors: | XU Jijin CHEN Ligong ZHANG Min and WU Youjing |
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| Affiliation: | School of Materials Science and Engineering, Shanghai Jiaotong University, Shanghai 200030, China,School of Materials Science and Engineering, Shanghai Jiaotong University, Shanghai 200030, China,Shanghai Neles-Jamesbury Ltd. , Shanghai 200092, China and Shanghai Neles-Jamesbury Ltd. , Shanghai 200092, China |
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| Abstract: | The measurement systems of welding current, voltage, temperature, deformation and the residual stresses were introduced. Butt welding program of twin-wire submerged arc welding of thick A105 steel plate were designed. During welding, welding current, voltage, temperature, deformation and the residual stresses were measured by using measurement systems. The stability and reliability of measurement systems were proved. The results show that single power source twin-wire submerged arc welding, which is one of alternative methods of submerged arc welding with high deposition rate and low heat input, can meet manufacturing requirements of lange diameter full welding ball-valve. The measurement systems are stable and the results of current, voltage, temperature, deformation can be obtained by real-time dynamic measurement in welding process and the measurement of residual stress after welding provide experimental judgment for appropriate design of valve's structure. |
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| Keywords: | single power source twin-wire submerged arc welding from the west-to-east natural gas transmission valve measurement system |
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