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ZHANG Ming-ming, LI Jing-yong. Control of Welding Distortion of Al Alloy Sheet through Pre-tension[J]. Development and Application of Materials, 2005, 20(1): 36-38. DOI: 10.19515/j.cnki.1003-1545.2005.01.011
Citation: ZHANG Ming-ming, LI Jing-yong. Control of Welding Distortion of Al Alloy Sheet through Pre-tension[J]. Development and Application of Materials, 2005, 20(1): 36-38. DOI: 10.19515/j.cnki.1003-1545.2005.01.011
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Control of Welding Distortion of Al Alloy Sheet through Pre-tension

  • Jiangsu University of Science and Technology, Zhenjiang 212003, China

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  • Received Date: August 30, 2004
  • Available Online: June 14, 2024
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  • The 5A05 aluminum sheet with a thickness of 4mm were welded under pre-tension stresses. Based on the measurement of the longitudinal warp distortion of weldments, the influence of pre-tension on the welding distortion of aluminum alloy was investigated. The experimental results showed that welding under pre-tension stresses could reduce the longitudinal warp distortion near to the welds of thin aluminum alloy plates effectively, and the greater the pre-tension stresses at the range of elasticity, the smaller longitudinal warp distortion. It was considered that pre-tension stresses enlarged the plastic distortion region, strengthened the resistance to plastic tensile distortion, and consequently decreased the longitudinal warp distortion of weldments.
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