【英文标准名称】:StandardTestMethodforCompressivePropertiesofRigidPlastics
【原文标准名称】:硬质塑料的抗压性能的标准试验方法
【标准号】:ASTMD695-2010
【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】:D20.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compressiveproperties;compressivestrength;modulusofelasticity;plastics;Loadingtests--plastics;Rigidplastics;Compressiontesting--plastics
【摘要】:Compressiontestsprovideinformationaboutthecompressivepropertiesofplasticswhenemployedunderconditionsapproximatingthoseunderwhichthetestsaremade.Compressivepropertiesincludemodulusofelasticity,yieldstress,deformationbeyondyieldpoint,andcompressivestrength(unlessthematerialmerelyflattensbutdoesnotfracture).Materialspossessingaloworderofductilitymaynotexhibitayieldpoint.Inthecaseofamaterialthatfailsincompressionbyashatteringfracture,thecompressivestrengthhasaverydefinitevalue.Inthecaseofamaterialthatdoesnotfailincompressionbyashatteringfracture,thecompressivestrengthisanarbitraryonedependinguponthedegreeofdistortionthatisregardedasindicatingcompletefailureofthematerial.Manyplasticmaterialswillcontinuetodeformincompressionuntilaflatdiskisproduced,thecompressivestress(nominal)risingsteadilyintheprocess,withoutanywell-definedfractureoccurring.Compressivestrengthcanhavenorealmeaninginsuchcases.Compressiontestsprovideastandardmethodofobtainingdataforresearchanddevelopment,qualitycontrol,acceptanceorrejectionunderspecifications,andspecialpurposes.Thetestscannotbeconsideredsignificantforengineeringdesigninapplicationsdifferingwidelyfromtheload-timescaleofthestandardtest.Suchapplicationsrequireadditionaltestssuchasimpact,creep,andfatigue.Beforeproceedingwiththistestmethod,referenceshouldbemadetotheASTMspecificationforthematerialbeingtested.Anytestspecimenpreparation,conditioning,dimensions,andtestingparameterscoveredinthematerialsspecificationshalltakeprecedenceoverthosementionedinthistestmethod.Ifthereisnomaterialspecification,thenthedefaultconditionsapply.Table1inClassificationD4000liststheASTMmaterialsstandardsthatcurrentlyexist.1.1Thistestmethodcoversthedeterminationofthemechanicalpropertiesofunreinforcedandreinforcedrigidplastics,includinghigh-moduluscomposites,whenloadedincompressionatrelativelylowuniformratesofstrainingorloading.Testspecimensofstandardshapeareemployed.Thisprocedureisapplicableforacompositemodulusuptoandincluding41,370MPa(6,000,000psi).1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.Note18212;Forcompressivepropertiesofresin-matrixcompositesreinforcedwithorientedcontinuous,discontinuous,orcross-plyreinforcements,testsmaybemadeinaccordancewithTestMethodD3410/D3410M.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Aspecificprecautionarystatementisgivenin13.1.Note28212;ThistestmethodistechnicallyequivalenttoISO604.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:7P.;A4
【正文语种】:英语


【英文标准名称】:StandardSpecificationforSteelSheet,Zinc-5%AluminumAlloy-CoatedbytheHot-DipProcess
【原文标准名称】:热浸处理的锌-5%铝合金金属涂覆的钢薄板的标准规范
【标准号】:ASTMA875/A875M-1999
【标准状态】:作废
【国别】:美国
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:钢;热浸镀锌;热浸镀锌;锌;金属覆层;钢产品;铝合金;覆层;薄板材;涂覆的;镀锌
【英文主题词】:galvanizing;coatings;aluminiumalloys;hot-dipgalvanizing;steelproducts;steels;zinc;coated;metalcoatings;hotdipgalvanizing;sheetmaterials
【摘要】:
【中国标准分类号】:H46
【国际标准分类号】:77_140_50
【页数】:7P;A4
【正文语种】:英语