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镀锌弹簧垫圈氢脆断裂失效分析.docx

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镀锌弹簧垫圈氢脆断裂失效分析 Title:FailureAnalysisofGalvanizedSpringWashersduetoHydrogenEmbrittlementFracture Abstract: Hydrogenembrittlementisacommonproblemingalvanizedspringwashers,leadingtofailureandpotentialsafetyhazards.Thispaperinvestigatesthemechanismbehindhydrogenembrittlementfractureingalvanizedspringwashers,includingthefactorsinfluencingthephenomenonandthepotentialsolutionstomitigateitsoccurrence.Throughacomprehensiveanalysisoftheliterature,laboratoryexperiments,andindustrialcasestudies,thisstudyaimstoprovideinsightsintothefailureanalysisofgalvanizedspringwashersduetohydrogenembrittlementfracture. Keywords:galvanizedspringwashers,hydrogenembrittlement,failureanalysis,fracture,factors,solutions 1.Introduction 1.1Background Galvanizedspringwashersareextensivelyusedinvariousindustriesduetotheirhighstrengthandcorrosionresistance.However,unexpectedfailuresresultingfromhydrogenembrittlementfracturehavebeenobserved,endangeringthereliabilityofthecomponentsandthesafetyoftheoverallsystem.Understandingthemechanismsbehindthisfailureiscrucialforpreventingandmitigatingsuchfailures. 1.2Objectives Themainobjectiveofthispaperistoanalyzethefailureofgalvanizedspringwashersduetohydrogenembrittlementfracture.Thisincludesinvestigatingthefactorscontributingtohydrogenembrittlement,understandingthefracturemechanisms,andproposingpotentialsolutionstomitigatetheoccurrenceoffailure. 2.MechanismsofHydrogenEmbrittlement 2.1IntroductiontoHydrogenEmbrittlement Hydrogenembrittlementreferstothephenomenonwherehydrogenatomsdiffuseintothemetallatticeandinteractwithdislocations,leadingtoreducedductilityandincreasedsusceptibilitytofracture.Itcanbecategorizedintoseveraltypes,includingadsorption-inducedhydrogenembrittlement,trappedhydrogenembrittlement,andhydrogen-inducedcracking. 2.2FactorsInfluencingHydrogenEmbrittlementinGalvanizedSpringWashers -Presenceofhydrogensourcesduringmanufacturing,suchasacidpicklingsolutions,lubricants,orcleaningagents. -Materialcharacteristics,includinghydrogendiffusivity,mechanica