【英文标准名称】:StandardTestMethodforPendulumImpactResistanceofPlasticFilm
【原文标准名称】:塑料薄膜耐摆锤冲击的标准试验方法
【标准号】:ASTMD3420-2008a
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D20.19
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:film;impact;impactresistance;pendulum;pendulumimpact;Ballbursttest;Dynamicball(pendulum)bursttest;Impactresistance--plastics;Pendulumtest;Plasticsheetandfilm
【摘要】:Likeothertechniquestomeasuretoughness,thistestmethodprovidesameanstodetermineparametersofamaterialatstrainratesclosertosomeend-useapplicationsthanprovidedbylow-speeduniaxialtensiletests.Dynamictensilebehaviorofafilmisimportant,particularlywhenthefilmisusedasapackagingmaterial.Thesameuncertaintiesaboutcorrelationswiththicknessthatapplytootherimpacttestsalsoapplytothistest(seesection3.4ofTestMethodsD1709).Hence,noprovisionforrationalizingtounitthicknessisprovided.Also,noprovisionismadefortestingatnon-ambienttemperatures.Thistestmethodincludestwoprocedures,similarexceptwithregardtosamplesize:ProcedureAfor60-mmdiameterandProcedureBfor89-mmdiameter(commonlycalledthex201C;Spencerx201D;).Thedatahavenotbeenshownrelatabletoeachother.Severalimpacttestmethodsareusedforfilm.Itissometimesdesirabletoknowtherelationshipsamongtestresultsderivedbydifferentmethods.Astudywasconductedinwhichfourfilmsmadefromtworesins(polypropyleneandlinearlow-densitypolyethylene),withtwofilmthicknessesforeachresin,wereimpactedusingTestMethodsD1709(MethodA),TestMethodD3420(ProceduresAandB),andTestMethodD4272.ThetestresultsareshowninAppendixX2.DifferencesinresultsbetweenTestMethodsD1709andD4272areexpectedsinceTestMethodsD1709representsfailureinitiatedenergywhileTestMethodD4272isinitiationpluscompletionenergy.Somefilmshaveshownconsistencywhentheinitiationenergywasthesameasthetotalenergy.ThisstatementandthetestdataalsoappearinthesignificanceandappendixessectionsofTestMethodsofD1709andD4272.1.1Thistestmethodcoversthedeterminationofresistanceoffilmtoimpact-puncturepenetration.Knowledgeofhowtheimpactenergyisabsorbedbythespecimenwhileitisdeformingundertheimpactloading,andthebehaviorofthespecimenafteryielding,isnotprovidedbythistest.Noprovisionismadefornonambienttemperaturesinthistestmethod.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsstatementsaregiveninSection7.Note18212;ThereisnoknownISOequivalenttothisstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_140_10
【页数】:6P.;A4
【正文语种】:英语


【英文标准名称】:Machinesforthemanufactureofconstructionalproductsfromconcreteandcalcium-silicate-Safety-Part3:slideandturntablemachines.
【原文标准名称】:混凝土和硅酸钙建筑产品的生产机器.安全性.第3部分:滑动机器和转台机器
【标准号】:NFE58-630-2003
【标准状态】:作废
【国别】:法国
【发布日期】:2003-10-01
【实施或试行日期】:2003-10-05
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:操作;硅酸盐砖;机器;工作场所安全;生产;规范(验收);机械工程;危险防护;职业安全;旋转台;定义;设计;维修;转台机械;滑台机械;危害;混凝土;建筑产品;安全要求;安全
【英文主题词】:Calciumsilicatebricks;Concretes;Constructionalproducts;Definition;Definitions;Design;Hazards;Machines;Maintenance;Mechanicalengineering;Occupationalsafety;Operation;Production;Protectionagainstdanger;Rotarytables;Safety;Safetyrequirements;Slidetablemachines;Specification(approval);Turntablemachines;Workplacesafety
【摘要】:
【中国标准分类号】:P97
【国际标准分类号】:91_220
【页数】:26P.;A4
【正文语种】:其他