SAE AMS3657 Polytetrafluoroethylene (PTFE) Extrusions, Premium Strength, As Sintered
时间:2024-05-04 00:13:28 来源: 标准资料网 作者：标准资料网 阅读：9127
Product Code:SAE AMS3657
Title:Polytetrafluoroethylene (PTFE) Extrusions, Premium Strength, As Sintered
Issuing Committee:Ams P Polymeric Materials Committee
Scope:This specification covers a virgin, unfilled polytetrafluoroethylene (PTFE) in the form of extruded and sintered rods, tubes, and profiles.
【英文标准名称】:StandardTestMethodforEvaluatingDurabilityofBuildingConstructionSealantsbyLaboratoryAcceleratedWeatheringProcedures
【原文标准名称】:实验室加速风化法评估建筑密封胶的标准试验方法
【标准号】:ASTMC1519-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C24.40
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:artificialaging;artificialweathering;buildingsealants;durability;jointmovement;sealants;weathering;Acceleratedaging/testing--sealants;Artificialweathering;Durability--buildingmaterials/applications;Durability--sealants;Jointmovem
【摘要】:Thistestmethoddescribestheproceduretoevaluateorcompare,orboth,thedurabilityofsealantswhensubjectedtoacceleratedweatheringandcyclicmovementinajoint.Sealantinstallationprocedures,designconsiderationsandmovementduringcureaffecttheagingprocessesandarefundamentaltothesuccessofanysealant.Thesefactorsarenotaddressedwiththistestmethod.Theamount,typeandfrequencyofmovementasealantexperiencesduringitslifetimestronglydependsonthematerialsusedinconstructionandontheorientationofthejointtowardsunlightandmanyotherfactorsthatarenotuniformorconsistent.Climaticexposureswilldifferwiththeorientationofthebuildingandshadingaswellaswithlocalandregionalclimaticconditions.Climatesinagivenlocationcanvaryfromyeartoyearbecauseofdifferencesinsolarradiation,temperature,rainfall,andatmosphericconditions.Further,thequalityandintensityofsolarradiationontheearth''ssurfacevarieswithgeographiclocation,season,timeofday,andcloudcover.Variationsinresultsmaybeexpectedwhenoperatingconditionsarevariedwithintheacceptedlimitsofthistestmethod.Therefore,alltestresultsusingthistestmethodmustbeaccompaniedbyareportofthespecificoperatingconditionsasrequiredinSection12.RefertoPracticeG151fordetailedinformationonthecaveatsapplicabletouseofresultsobtainedaccordingtothistestmethod.Theresultsoflaboratoryexposurecannotbedirectlyextrapolatedtoestimateanabsoluterateofdeteriorationcausedbynaturalweatheringbecausetheaccelerationfactorismaterialdependentandcanbesignificantlydifferentforeachmaterialandfordifferentformulationsofthesamematerial.However,exposureofasimilarmaterialofknownoutdoorperformance,acontrol,alongwiththetestspecimensallowscomparisonofthedurabilityrelativetothatofthecontrolunderthetestconditions.Evaluationintermsofrelativedurabilityalsogreatlyimprovestheagreementintestresultsamongdifferentlaboratories.ResultsofthisprocedurewilldependonthecarethatistakentooperatetheequipmentaccordingtoPracticesG154andG155.Significantfactorsincluderegulationofthelinevoltage,freedomfromsaltorotherdepositsfromwater,temperaturecontrol,humiditycontrol,whereapplicable,conditionandageoftheburnersandfiltersinxenonarcequipment,andageoflampsinfluorescentUVequipment.Note18212;Additionalinformationonsourcesofvariabilityandonstrategiesforaddressingvariabilityinthedesign,executionanddataanalysisoflaboratoryacceleratedexposuretestsisfoundinGuideG141.1.1Thistestmethodcoversthemethodforthedeterminationofthedurabilityofasealantbasedonitsabilitytofunctionincyclicmovementmaintainingadhesionandcohesionafterrepeatedexposuretolaboratoryacceleratedweatheringprocedures.1.2Thistestmethoddescribestwolaboratoryacceleratedweatheringproceduresforevaluatingthedurabilityofasealant.1.3RILEMTC139x2013;DBSisrelatedtothistestmethod.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafety......
【中国标准分类号】:Q24
【国际标准分类号】:91_040_01
【页数】:5P.;A4
【正文语种】:英语
【英文标准名称】:Metallicmaterials-Instrumentedindentationtestforhardnessandmaterialsparameters-Part4:Testmethodformetallicandnon-metalliccoatings
【原文标准名称】:金属材料.测量硬度和材料参数用仪器压痕试验.第4部分:金属和非金属覆层试验方法
【标准号】:ISO14577-4-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-05
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC164
【标准类型】:()
【标准水平】:()
【中文主题词】:合金;覆层;防腐蚀;测定;硬度;硬度测量;硬度测试;材料试验机;材料试验;材料;材料测试;被测量值;测量;测量不确定度;机械测试;金属的;金属材料;金属;非金属的;非金属覆层;渗透探伤;穿透深度;额定值;测试
【英文主题词】:Alloys;Coatings;Corrosionprotection;Determination;Hardness;Hardnessmeasurement;Hardnesstesting;Materialtestingmachines;Materialtests;Materials;Materialstesting;Measuredvalue;Measurement;Measuringincertainity;Mechanicaltesting;Metallic;Metallicmaterials;Metals;Nonmetallic;Non-metalliccoatings;Penetrantflawdetection;Penetrationdepths;Ratings;Testing
【摘要】:ThispartofISO14577specifiesamethodfortestingcoatingswhichisparticularlysuitablefortestinginthenano/microrangeapplicabletothincoatings.Thistestmethodislimitedtotheexaminationofsinglelayerswhentheindentationiscarriedoutnormaltothetestpiecesurface,butgradedandmultilayercoatingscanalsobemeasuredincross-sectionifthethicknessoftheindividuallayersorgradationsisgreaterthanthespatialresolutionoftheindentationprocess.Thetestmethodisnotlimitedtoanyparticulartypeofmaterial.Metallic,non-metallicandorganiccoatingsareincludedinthescopeofthispartofISO14577.TheapplicationofthispartofISO14577regardingmeasurementofhardnessisonlypossibleiftheindenterisapyramidoraconewitharadiusoftipcurvaturesmallenoughforplasticdeformationtooccurwithinthecoating.Thehardnessofvisco-elasticmaterials,ormaterialsexhibitingsignificantcreepwillbestronglyaffectedbythetimetakentoperformthetest.
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:24P;A4
【正文语种】:英语