【摘要】 简要回顾了航天工业铝合金焊接技术的发展 ,并对国内外铝合金在航天器上的应用情况进行了综述和分析。介绍了铝合金焊接技术的最新发展和应用前景 ,其中包括变极性等离子焊、局部真空电子束焊、气脉冲焊接技术、搅拌摩擦焊、焊接修复技术以及焊接工艺裕度和焊接结构安全评定技术更多还原

【Abstract】 The development of welding technology of aluminum alloy in aerospace industry is reviewed and the application of aluminum alloy in spacecrafts is summarized and analysed in this paper. The up to date development and application prospect of welding technologies of aluminum alloy are introduced. These welding technologies include variable polarity plasma welding, local vacuum electronic beam welding, air pulse welding, stirring friction welding, welding reparing technique, and the evaluation techniques of welding technological margin and welded construction safety.更多还原