搅拌摩擦焊英语作文.pdf
天将降大任于斯人也,必先苦其心志,劳其筋骨,饿其体肤,空乏其身,行拂乱其所为。——《孟子》
搅拌摩擦焊英语作文
FrictionStirWelding:ATransformativeJoiningTechnique
Frictionstirweldingisarevolutionarysolid-statejoiningprocessthat
hasrevolutionizedthewayweapproachthefabricationofmaterials
acrossawiderangeofindustries.Unliketraditionalfusionwelding
methods,whichrelyonmeltingthebasematerialstocreateajoint,
frictionstirweldingutilizestheheatgeneratedbythefriction
betweenarotatingtoolandtheworkpiecestoplasticallydeformthe
materialsandformastrong,defect-freebond.Thisinnovative
techniqueoffersahostofadvantagesoverconventionalwelding
processes,makingitanincreasinglyattractivechoiceforvarious
applications.
Attheheartofthefrictionstirweldingprocessisaspecially
designedtool,typicallymadeofahard,wear-resistantmaterialsuch
astungstencarbideoratoolsteelalloy.Thistoolisplungedintothe
jointlinebetweenthetwoworkpiecestobejoined,andasitrotates,
itgeneratesfrictionalheatandplasticdeformationinthe
surroundingmaterial.Theheatsoftensthematerial,allowingthetool
天将降大任于斯人也,必先苦其心志,劳其筋骨,饿其体肤,空乏其身,行拂乱其所为。——《孟子》
tomovealongthejointline,leavingbehindasolid-stateweldwithatomovealongthejointline,leavingbehindasolid-stateweldwitha
Oneofthekeyadvantagesoffrictionstirweldingisitsabilityto
producehigh-qualityweldswithminimaldistortionandresidual
stresses.Becausetheprocessdoesnotinvolvethemeltingofthe
basematerials,itavoidstheformationofsolidificationdefects,such
asporosityandcracking,thatarecommoninfusionweldin