ASTM D3800-1999(2004) 高模数纤维密度的标准试验方法

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【英文标准名称】:StandardTestMethodforDensityofHigh-ModulusFibers
【原文标准名称】:高模数纤维密度的标准试验方法
【标准号】:ASTMD3800-1999(2004)
【标准状态】:现行
【国别】:
【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(US-ASTM)
【起草单位】:D30.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:材料;航空运输;航天技术;航空航天运输;试验;密度;模数;叠层板材;纤维
【英文主题词】:Archimedesmethod;buoyancymethod;density;fiberdensity
【摘要】:Fiberdensityisusefulintheevaluationofnewmaterialsattheresearchanddevelopmentlevelandisoneofthematerialpropertiesnormallygiveninfiberspecifications.Fiberdensityisusedtodeterminefiberstrengthandmodulusbothofafiberbundleandanindividualfilament.Thesepropertiesarebasedonloadormodulusslopeoveraneffectivearea.Fiberdensitymaybeusedwithlinealmassofthefibertogiveanapproximationofeffectivetowarea.Towareadividedbytheaveragenumberoffilamentsinatowgivesanapproximationoftheeffectiveareaofanindividualfilament.Fiberdensityisusedasaconstituentpropertywhendeterminingreinforcementvolumeandvoidvolumebasedonreinforcementmassandlaminatedensity.1.1Thistestmethodcoversthedeterminationofthedensityofhigh-modulusfibersandisapplicabletobothcontinuousanddiscontinuousfibers.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.1.3Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeSection9foradditionalinformation.
【中国标准分类号】:V13
【国际标准分类号】:49_025_60
【页数】:6P.;A4
【正文语种】: