ASTM D953-2002 塑料支承强度的标准试验方法

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【英文标准名称】:StandardTestMethodforBearingStrengthofPlastics
【原文标准名称】:塑料支承强度的标准试验方法
【标准号】:ASTMD953-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:D20.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:材料强度;试验;塑料
【英文主题词】:bearingstrength;compressionstrength;plast;NumberCode83.080.01(Plastingeneral)
【摘要】:Thisbearingstrengthtestforplasticsisintendedtoapplyinthespecificationofvariousthermoplasticorthermosettingproductsinsheetformwhererivets,bolts,orsimilarfasteningsaretobeusedinjoiningmembersorsections.Italsoisintendedtoapplywhereversheetmaterialsoftheclassesindicatedarerequiredtosustainedgewiseloadsthatareappliedbymeansofpinsorrodsofcircularcrosssectionwhichpiercethesheetperpendiculartothesurface.Thepurposeofthetestistodeterminethebearingstrengthofthematerialandtoshowthebearingstressversusthedeformationofthehole.Theallowabledeformationoftheholeinthematerialshouldbesuchastoproducenoloosenessofjoints.Whileitisaknownfactthathigherstrengthmaterialswillgenerallygivehigherbearingstrengths,thereisnosatisfactorymethodbywhichbearingstrengthmaybeestimatedfromtensileorcompressivepropertiesofthematerial.Beforeproceedingwiththistestmethod,referenceshouldbemadetothespecificationofthematerialbeingtested.Anytestspecimenpreparation,conditioning,dimensionsortestingparametersorcombinationthereofcoveredintherelevantASTMmaterialsspecificationshalltakeprecedenceoverthoseinthistestmethod.IftherearenorelevantASTMmaterialspecificationsthenthedefaultconditionsapply.1.1Thistestmethodcoversthedeterminationofthebearingstrengthofrigidplasticsineithersheetormoldedform.ProcedureAisapplicablefortensionloadingandProcedureBforcompressionloading.1.2Testdataobtainedbythistestmethodisrelevantandappropriateforuseinengineeringdesign.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThereisnoknownISOequivalenttothisstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:6P.;A4
【正文语种】: