铝合金焊接技术的研究现状与发展_毕业论

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1、工业大学专科毕业论文专科毕业论文题目：铝合金焊接技术的研究现状与发展I工业大学专科毕业论文摘要铝合金由于重量轻、比强度高、耐腐蚀性能好、无磁性、成形性好及低温性能好等特点而被广泛的应用于各种焊接结构产品中。因此提高铝合金焊接的生产率和焊接质量，减少焊接缺陷存在的高效焊接方法已成为实际生产的迫切要求。本文综述了铝合金几种先进的焊接工艺：钨极氩弧焊（TIG）、激光焊（LBW）、搅拌摩擦焊（FSW），及其焊接发放和特点，并指出在焊接中存在的问题以及未来的发展趋势。关键词：铝合金；钨极氩弧焊（TIG）；激光焊（LBW）；搅拌摩擦焊（FSW）II工业大学

2、专科毕业论文AbstractAluminumalloybecauseoflightweight,highspecificstrength,goodcorrosionresistance,nomagnetism,goodformabilityandlowtemperaturecharacteristicsofagoodperformanceandhasbeenwidelyusedinallkindsofweldingstructureproduct.Therefore,toimprovetheproductivityofaluminumalloy

3、weldingandweldingquality,reduceweldingdefectinthepresenceofhighefficientweldingmethodhasbecometheurgentrequirementsofactualproduction.Thispapersummarizedseveraladvancedweldingtechnologyofaluminumalloy:tungstenargonarcwelding(TIG)，laserwelding(LBW),frictionstirwelding(FSW),an

4、dthedistributionandcharacteristicsofwelding,andpointsoutthatintheweldingproblemsandfuturedevelopmenttrend.Keywords:aluminumalloy;tungstenargonarcwelding(TIG)；laserwelding(LBW)；frictionstirwelding(FSW)III工业大学专科毕业论文目录摘要..........................................................

5、......................................................................................IIAbstract.............................................................................................................................................III引言.................................

6、................................................................................................................1第一章铝合金的焊接特点...............................................................................................................21.1.铝合金的焊接特点...........................

7、..............................................................................21.2.铝合金焊接的几大难点................................................................................................2第二章铝合金的焊接工艺..........................................................................

8、...............................32.1.钨极氩弧焊（TIG）.............................