鋁合金新型連接方法及接頭組織性能研究.pdf

1、西安建筑科技大學(xué)碩士學(xué)位論文鋁合金新型連接方法及接頭組織性能研究姓名：周鵬申請學(xué)位級別：碩士專業(yè)：材料加工工程指導(dǎo)教師：王快社20060301西安建筑科技大學(xué)碩士學(xué)位論文ResearchonmicrostructureandpropertiesandjointsusinganewtypeofjointmethodSpeciality：MaterialProcessingEngineeringName：ZhouPengSupervisor

2、：AssociateProfWangKuaisheABSTRACTForthissubject，weinventanewcompositeconnectiontechnologywhichisacomboofmechanicalconnectionandgallingThisnewtypeofjointmethodCanbeusedtothejointofinternallinerofwindowanddoorinautomobileT

3、heoldjointmethodislapjoint—adhensivewhichhaslowadhensivestrengthandpooraging—resistancepropertiesMosaicandadhensiveinteractedusedinthisstudyNotonlyimprovingthestrengthofadhensive，butalsoenhancingthepropertiesofaging—resi

4、stanceSothispaper’Sworksinclude：First，AluminumalloyLF5，whichhasalowerdensityandhigherstrengththanpurealuminum，greatseawatercorrosiveresistance，upstandingpolishingabilityandfavorableplasticworkingabili吼waschosentobejoinin

5、gmatrixmaterialSecondlySoundmouldWasdesignedtomakechosencompositeconnectionjointChromicacidanodizingWasusedtosample’SsurfacetreatmentOnceagain，Therewerethreekindofbinder：USmadeLoctite324，home—madeSLl05andhomemadeWDl001ac

6、rylatestructurebinderMetallicphaseofjoininginterfacewasanalyzedItshowsthatthereweremultiformgallingphenomenainthejointThrou曲comparisonamongthetensileresults，ThejointtensilestrengthcouldbethebestFinally，Salt—sprayfogaging

7、testandseawaterbathingagingtestwereusedtodoacceleratedageingtestThejointsconnectedbyLoctite324show77％dropofshearstrengthinsaltspmyfogagingtestbuttheshearstrengthshow57％dropofshearstrengthinseawaterbatingagingtestKeywords