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基于ISO13679B系试验载荷的特殊螺纹接头密封性能研究.docx

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基于ISO13679B系试验载荷的特殊螺纹接头密封性能研究 Title:StudyontheSealingPerformanceofSpecialThreadedJointsbasedonISO13679BSeriesTestLoads Abstract: Specialthreadedjointsarewidelyusedinindustriessuchasoilandgas,automotive,andaerospace,wherereliablesealingperformanceiscrucialformaintainingtheintegrityofthesystemandpreventingleakage.ThisresearchaimstoinvestigatethesealingperformanceofspecialthreadedjointsundertheISO13679Bseriestestloads.TheISO13679Bseriestestloadssimulatetheharshoperatingconditions,includingpressure,temperature,andcyclicloading,typicallyexperiencedbythesejoints.Thestudyfocusesonunderstandingthefactorsinfluencingthesealingperformanceandproposespotentialimprovementstoenhancethesealabilityofspecialthreadedjoints. 1.Introduction Specialthreadedjointsplayavitalroleinvariousapplications,servingasaconnectionpointbetweendifferentcomponentsorsystems.Thesejointsaredesignedtowithstandhighpressure,extremetemperatures,anddynamicloadingconditions,ensuringthesafetyandreliabilityoftheoverallsystem.Amongthecrucialrequirementsofthesejoints,sealingperformanceisofparamountimportance.Leakagethroughthreadedjointscanleadtosignificantoperationalissues,environmentalhazards,andfinanciallosses.Therefore,understandingandimprovingthesealingperformanceofthesejointsisessential. 2.ISO13679BSeriesTestLoads ISO13679Bseriestestloadsprovideastandardizedapproachtoevaluatethesealingperformanceofthreadedjoints.Thetestsinvolvesubjectingthejointstovariousloadcombinations,includinginternalpressure,axialload,andtemperaturecycles.Thisseriesoftestscreatesrealisticconditionsthatthesejointswouldencounterinreal-worldapplications.Byexaminingthesealingperformanceundersuchconditions,thestudyaimstoprovideinsightsintothebehaviorofspecialthreadedjointsandcontributetotheirimprovement. 3.FactorsInfluencingSealingPerformance Thesealingperformanceofspecialthreadedjointsisinfluencedbyseveralfactorsthatneedtobecarefullyconsideredduringjointdesignandassembly.Thesefactorsincludesurfacefinish,gasketmaterial,threadengagement,tighteni