Numerical simulation of deep cryogenic treatment electrode tip temperature for spot welding aluminum alloy-中国Betway体育网页登陆

摘要 DeepcryogenictreatmenttechnologyofelectrodesisputforwardtoimproveelectrodelifeofresistancespotweldingofaluminumalloyLF2.Deepcryogenictreatmentmakeselectrodelifeforspotweldingaluminumalloyimprove.Thespecificresistivityofthedeepcryogenictreatmentelectrodesistestedandexperimentalresultsshowthatspecificresistivityisdecreasedsharply.ThetemperaturefieldandtheinfluenceofdeepcryogenictreatmentontheelectrodetiptemperatureduringspotweldingaluminiumalloyisstudiedbynumericalsimulationmethodwiththesoftwareANSYS.Theaxisymmetricfiniteelementmodelofmechanical,thermalandelectricalcoupledanalysisofspotweldingprocessisdeveloped.Thenumericalsimulationresultsshowthattheinfluenceofdeepcryogenictreatmentonelectrodetiptemperatureisverylarge.

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Numerical simulation of deep cryogenic treatment electrode tip temperature for spot welding aluminum alloy

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