ASTM D1621-2004a 硬质泡沫塑料的压缩性能的标准试验方法

作者:标准资料网 时间:2024-05-05 21:06:20  浏览:8912   来源:标准资料网

【英文标准名称】:StandardTestMethodforCompressivePropertiesOfRigidCellularPlastics
【原文标准名称】:硬质泡沫塑料的压缩性能的标准试验方法
【标准号】:ASTMD1621-2004a
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:D20.22
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:塑料;特性;压力;试验;压力荷载
【英文主题词】:cellularplastics;compressivemodulus;compressivestrength
【摘要】:Thistestmethodprovidesinformationregardingthebehaviorofcellularmaterialsundercompressiveloads.Testdataisobtained,andfromacompleteload-deformationcurveitispossibletocomputethecompressivestressatanyload(suchascompressivestressatproportional-limitloadorcompressivestrengthatmaximumload)andtocomputetheeffectivemodulusofelasticity.Compressiontestsprovideastandardmethodofobtainingdataforresearchanddevelopment,qualitycontrol,acceptanceorrejectionunderspecifications,andspecialpurposes.Thetestscannotbeconsideredsignificantforengineeringdesigninapplicationsdifferingwidelyfromtheload-timescaleofthestandardtest.Suchapplicationsrequireadditionaltestssuchasimpact,creep,andfatigue.Beforeproceedingwiththistestmethod,referenceshallbemadetothespecificationofthematerialbeingtested.Anytestspecimenpreparation,conditioning,dimensions,ortestingparameters,oracombinationthereof,coveredinthematerialsspecificationshalltakeprecedenceoverthosementionedinthistestmethod.Iftherearenomaterialspecifications,thenthedefaultconditionsapply.1.1Thistestmethoddescribesaprocedurefordeterminingthecompressivepropertiesofrigidcellularmaterials,particularlyexpandedplastics.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinbracketsareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThistestmethodandISO844aretechnicallyequivalent.
【中国标准分类号】:G31
【国际标准分类号】:83_100
【页数】:5P.;A4
【正文语种】: