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WELDINGISTOENSURETHATTHESHIPOFTHESHIPANDTHESTRENGTHOFTHEKEYTHISPAPERDESCRIBESTHESHIPINTHEWELDINGOFSEVERALCOMMONREASONSFORTHESHORTCOMINGSANDPROPOSEPREVENTIVEMEASURESWELDINGISTOENSURETHATTHESHIPOFTHESHIPANDTHESTRENGTHOFTHEKEYISTOENSURETHATTHEKEYTOTHEQUALITYOFTHESHIP,ISTOENSURETHESAFETYOFSHIPSNAVIGATINGANDOPERATINGANIMPORTANTCONDITIONFORIFTHEREISAWELDINGDEFECT,ITMAYCAUSESTRUCTURALFAULTS,LEAKAGE,OREVENCAUSETHESHIPSANKACCORDINGTOTHESHIPBRITTLEFRACTUREACCIDENTINVESTIGATIONSHOWEDTHAT40PERCENTOFBRITTLEFRACTUREFROMTHEACCIDENTWASTHEBEGINNINGOFTHEWELDDEFECTSSHIPSINTHETOWNSHIPINSHIPBUILDING,SHIPTHEWELDINGQUALITYISPARTICULARLYPROMINENTINTHEINSPECTIONOFSHIPSINTHEPROCESSOFWELDINGTHETESTISPARTICULARLYIMPORTANTTHEREFORE,SHOULDTHEEARLYDETECTIONOFDEFECTS,THEWELDINGDEFECTSRESTRICTEDTOACERTAINEXTENT,TOENSURENAVIGATIONALSAFETYMANYTYPESOFSHIPWELDINGDEFECTS,ACCORDINGTOTHEIRDIFFERENTPOSITIONS,THEDEFECTSCANBEDIVIDEDINTOEXTERNALANDINTERNALDEFECTSDEFECTSHAVEPORES,SLAG,WELDINGCRACKS,LACKOFPENETRATION,NOTFUSION,WEL
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