摘要洛阳理工学院毕业设计（论文）PAGEIV铝及铝合金焊接工艺研究摘要铝及铝合金是工业中应用最广泛的一类金属结构材料，在航空、航天、汽车、机械制造、船舶及化学工业中已大量应用。随着近年来科学技术以及工业经济的飞速发展，对铝合金焊接结构件的需求日益增多，使铝合金的焊接性研究也随之深入。铝合金的广泛应用促进了铝合金焊接技术的发展，同时焊接技术的发展又拓展了铝合金的应用领域，因此铝合金的焊接技术正成为研究的热点之一。关键词：铝及铝合金手工氩弧焊焊接特点英文题目ABSTRACTAluminumandaluminumalloyisthemostwidelyusedinindustryofaclassofnon-ferrousmetalstructurematerial,inaviation,aerospace,automotive,machinerymanufacturing,shippingandthechemicalindustryhasalargeapplication.Recentyears,withscienceandtechnologyandindustrialeconomicdevelopment,tothealuminumalloyweldingstructureoftheincreasingdemand,thealuminumalloyweldingsexresearchwillbefurther.Thewideapplicationofaluminumalloyaluminumalloyweldingtechnologypromotedthedevelopment,andweldingtechnologydevelopmentandexpandtheapplicationfieldofaluminumalloy,aluminumalloyweldingtechnologyisthereforebecomeoneofthehotspotintheresearch.KEYWORDS:AluminumandAluminumalloy、HandmadeArgonArcWelding、Weldingcharacteristics前言目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc420172289"前言PAGEREF_Toc420172289\h1HYPERLINK\l"_Toc420172290"第一章铝及铝合金发展情况行业需求预测及行业报告PAGEREF_Toc420172290\h3HYPERLINK\l"_Toc420172291"1.1.1铝合金的发展情况PAGEREF_Toc420172291\h3HYPERLINK\l"_Toc420172292"1.1.2行业需求预测PAGEREF_Toc420172292\h3HYPERLINK\l"_Toc420172293"1.1.3行业报告PAGEREF_Toc420172293\h4HYPERLINK\l"_Toc420172294"第二章铝及铝合金的性能分析其特点及焊接性PAGEREF_Toc420172294\h5HYPERLINK\l"_Toc420172295"2.1铝及铝合金的分类分类成分和性能PAGEREF_Toc420172295\h5HYPERLINK\l"_Toc420172296"2.1.1铝合金的分类PAGEREF_Toc420172296\h5HYPERLINK\l"_Toc420172297"2.1.2铝合金的性能PAGEREF_Toc420172297\h8HYPERLINK\l"_Toc420172298"2.1.3铝合金的焊接性PAGEREF_Toc420172298\h9HYPERLINK\l"_Toc420172299"第三章铝及铝合金的焊接工艺PAGEREF_Toc420172299\h10HYPERLINK\l"_Toc420172300"3.1铝合金的焊接难点PAGEREF_Toc420172300\h10HYPERLINK\l"_Toc420172301"3.2铝合金的焊接方法种类PAGEREF_Toc420172301\h10HYPERLINK\l"_Toc420172302"3.3铝用焊接材料选择PAGEREF_Toc420172302\h13HYPERLINK\l"_Toc420172303"3.3.1铝合金焊