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时间:2019-06-28
《CETP 00.00-L-467 Global Laboratory Accelerated Cyclic Corrosion Test 英文文献资料》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、CORPORATEENGINEERINGTESTPROCEDUREGlobalStandardTITLE:GlobalLaboratoryAcceleratedCyclicCorrosionTestCETP:00.00-L-467Supersedes:None200903Page1of141.0INTRODUCTION1.1TESTSCOPEThisstandardspecifiesanacceleratedlaboratoryatmosphericcorrosiontest.Thetestingenvironmentaddressedissimilarineffecttothato
2、fthesaltload/climaticpartoftheprovinggroundcorrosiontestprocedure,CETP00.00-R-343andyieldscorrespondingresults.Theobjectiveofthetestistoallowevaluationofthecorrosionresistanceofmetalsinenvironmentswherethereisasignificantinfluenceofchlorideions,mainlyassodiumchloridefromamarinesourceorbywinterr
3、oadde-icingsalt.Thelaboratorytestprovidesfullexposuretothesaltloadandhumidityenvironment.Itdoesnotattempttosimulateotherengravingfactorssuchasmudloads,temperaturestressesorwear.Itservesasageneralpurposeatmosphericcorrosiontestandappliestoavarietyofmaterials,coatings,andinteractionsofmaterials,b
4、othastestspecimensorindesignedcomponents.Thetestcanbeusedasadesignverificationmethodinorderto(a)developandqualifynewcorrosionresistantproducts,(b)developnewpre-treatmentsandfinishingprocesses,(c)selectmaterialsand,(d)performqualitycontrolofthefinalproduct.Thestandardspecifiescontrolledcondition
5、sforequipmentandprocedurestoallowthetesttobeperformedwithahighdegreeofrepeatabilityandreproducibility.Itisdesignedtobesuitabletoruninvariousclimatechambers,eitherasafullyautomatedprocedureorwithpartialmanualoperations.1.2SUMMARYOFTESTCONTENTTheworkdaytestprocedureconsistsof:•A6hwetphaseatroomte
6、mperature.withintermittentexposuretosaltsolution(0.5%NaCl).•A2.5htransitionphasewithdryingunderclimatecontrol.•A15.5hphasewithconstanttemperatureandhumidity(50°C,70%RH).AfterrepeatingthisprocedureMon-Fria48hweekendphaseundercontinuedconstantclimatecontrolisadded.1.3COMMONALITYThisisaCONTROLTEST
7、andcanbeusedtoqualifycomponentsthroughouttheworld.Thetestmaybeconductedatanylocationhavingthenecessaryequipmentandfacilities.ProposedrevisionstothisproceduremustbesubmittedperFAP03-179.EngineeringStandards&SystemsEngineering(ESSE)
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