ISO 20753-2008 塑料.试样
作者:标准资料网 时间:2024-05-13 20:21:55 浏览:9033
来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Plastics-Testspecimens
【原文标准名称】:塑料.试样
【标准号】:ISO20753-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-03-01
【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/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:分类;压塑成型;定义;压铸;尺寸;喷射铸造法;模制;模制材料;塑料;试样制备;抗拉试验工件;抗拉测试;抗拉试验;试样
【英文主题词】:Classification;Compressionmouldings;Definitions;Diecasting;Dimensions;Injectionmoulding;Moulding(process);Mouldings(shapedsection);Plastics;Specimenpreparation;Tensiletestpieces;Tensiletesting;Tensiletests;Testspecimens
【摘要】:1.1ThisInternationalStandardspecifiesdimensionalrequirementsrelatingtotestspecimenspreparedfromplasticsmaterialsintendedforprocessingbymoulding,aswellastotestspecimenspreparedbymachiningfromsheetsorshapedarticles.Itgives,inonedocument,thedesignationsanddimensionsoftestspecimensusedfortheacquisitionofcomparabledataandalsootherfrequentlyusedspecimens.Thefollowingtypesoftestspecimenarespecified:a)TypeA1andtypeA2specimens(1=injectionmoulded,2=machinedfromasheetorshapedarticle)Thesearetensiletestspecimensfromwhich,withsimplemachining,specimensforavarietyofothertestscanbetaken(seeAnnexA).ThetypeA1specimencorrespondstotheISO3167:2002typeAmultipurposetestspecimen.TheprincipaladvantageofamultipurposetestspecimenisthatitallowsallthetestmethodsmentionedinAnnexAtobecarriedoutbyalltestlaboratoriesonthebasisofcomparablemouldings.Consequently,thepropertiesmeasuredarecoherentasallaremeasuredusingsimilarspecimenspreparedinthesameway.Inotherwords,itcanbeexpectedthattestresultsforagivensetofspecimenswillnotvaryappreciablyduetounintentionallydifferentmouldingconditions.Ontheotherhand,ifdesired,theinfluenceofmouldingconditionsand/ordifferentstatesofthespecimenscanbeassessedwithoutdifficultyforallofthepropertiesmeasured.Alsodescribedarereduced-scaletestspecimensdesignatedtypeAxy,wherexisthenumberindicatingthemethodofspecimenpreparation(1--injectionmoulded,2=machinedfromasheetorshapedarticle)andyisanumberindicatingthescalefactor(l:y).Thesecanbeusede.g.whenfull-sizedtestspecimensarenotconvenientorwhensamplematerialexistsinsmallquantitiesonly.b)TypeBspecimensThesearebarspecimenswhichcanbedirectlymouldedorcanbemachinedfromthecentralsectionoftypeA1specimensorfromsheetsorshapedarticles.c)TypeCspecimensThesearesmalltensiletestspecimenswhichcanbedirectlymouldedormachined,e.g.fromplates(TypeDspecimens),fromthecentralsectionoftypeA1specimensorfromsheetsorshapedarticles.d)TypeD1andtypeD2specimensThesearesquareplatesofthickness1mmand2mm,respectively.IfaparticulartypeoftestspecimenisnotmentionedinthisInternationalStandard,thisdoesnotmeanthatthereisanyintentiontoexcludetheuseofthespecimen.Additionalspecimentypesmaybeaddedinfutureiftheyarecommonlyused.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:22P.;A4
【正文语种】:英语
【原文标准名称】:塑料.试样
【标准号】:ISO20753-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-03-01
【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/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:分类;压塑成型;定义;压铸;尺寸;喷射铸造法;模制;模制材料;塑料;试样制备;抗拉试验工件;抗拉测试;抗拉试验;试样
【英文主题词】:Classification;Compressionmouldings;Definitions;Diecasting;Dimensions;Injectionmoulding;Moulding(process);Mouldings(shapedsection);Plastics;Specimenpreparation;Tensiletestpieces;Tensiletesting;Tensiletests;Testspecimens
【摘要】:1.1ThisInternationalStandardspecifiesdimensionalrequirementsrelatingtotestspecimenspreparedfromplasticsmaterialsintendedforprocessingbymoulding,aswellastotestspecimenspreparedbymachiningfromsheetsorshapedarticles.Itgives,inonedocument,thedesignationsanddimensionsoftestspecimensusedfortheacquisitionofcomparabledataandalsootherfrequentlyusedspecimens.Thefollowingtypesoftestspecimenarespecified:a)TypeA1andtypeA2specimens(1=injectionmoulded,2=machinedfromasheetorshapedarticle)Thesearetensiletestspecimensfromwhich,withsimplemachining,specimensforavarietyofothertestscanbetaken(seeAnnexA).ThetypeA1specimencorrespondstotheISO3167:2002typeAmultipurposetestspecimen.TheprincipaladvantageofamultipurposetestspecimenisthatitallowsallthetestmethodsmentionedinAnnexAtobecarriedoutbyalltestlaboratoriesonthebasisofcomparablemouldings.Consequently,thepropertiesmeasuredarecoherentasallaremeasuredusingsimilarspecimenspreparedinthesameway.Inotherwords,itcanbeexpectedthattestresultsforagivensetofspecimenswillnotvaryappreciablyduetounintentionallydifferentmouldingconditions.Ontheotherhand,ifdesired,theinfluenceofmouldingconditionsand/ordifferentstatesofthespecimenscanbeassessedwithoutdifficultyforallofthepropertiesmeasured.Alsodescribedarereduced-scaletestspecimensdesignatedtypeAxy,wherexisthenumberindicatingthemethodofspecimenpreparation(1--injectionmoulded,2=machinedfromasheetorshapedarticle)andyisanumberindicatingthescalefactor(l:y).Thesecanbeusede.g.whenfull-sizedtestspecimensarenotconvenientorwhensamplematerialexistsinsmallquantitiesonly.b)TypeBspecimensThesearebarspecimenswhichcanbedirectlymouldedorcanbemachinedfromthecentralsectionoftypeA1specimensorfromsheetsorshapedarticles.c)TypeCspecimensThesearesmalltensiletestspecimenswhichcanbedirectlymouldedormachined,e.g.fromplates(TypeDspecimens),fromthecentralsectionoftypeA1specimensorfromsheetsorshapedarticles.d)TypeD1andtypeD2specimensThesearesquareplatesofthickness1mmand2mm,respectively.IfaparticulartypeoftestspecimenisnotmentionedinthisInternationalStandard,thisdoesnotmeanthatthereisanyintentiontoexcludetheuseofthespecimen.Additionalspecimentypesmaybeaddedinfutureiftheyarecommonlyused.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:22P.;A4
【正文语种】:英语
下载地址: 点击此处下载
