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BS EN ISO 6603-1-2000 塑料.硬质塑料复合轴向冲击性能的测定.非仪器冲击试验

作者:标准资料网 时间:2024-05-15 13:29:20  浏览:9945   来源:标准资料网
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【英文标准名称】:Plastics-Determinationofmulti-axialimpactbehaviourofrigidplastics-Non-instrumentedimpacttesting
【原文标准名称】:塑料.硬质塑料复合轴向冲击性能的测定.非仪器冲击试验
【标准号】:BSENISO6603-1-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-06-15
【实施或试行日期】:2000-06-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:试验设备;高聚物;薄板材;增强的材料;塑料和橡胶技术;轴向;试样;叠层板材;塑料;模塑材料;试样制备;渗透性试验;数学计算;冲击试验
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiesmethodsforthedeterminationofpuncture-impactpropertiesofrigidplasticsintheformofflattestspecimens,suchasdiscsorsquarepieces,underdefinedconditions.Specimensmaybemouldeddirectly,cutfromsheetsortakenfromfinishedproducts.Differenttypesoftestspecimensandtestconditionsaredefined.Thesefalling-dartmethodsareusedtoinvestigatethebehaviourofplasticsheetingormouldingsundertheimpactofastrikerappliedperpendiculartotheplaneofthespecimen.ThispartofISO6603canbeusedifitissufficienttocharacterizetheimpactbehaviourofplasticsbyathresholdvalueofimpact-failureenergybasedonmanytestspecimens.ISO6603-2isusedifaforce-deflectionorforce-timediagram,recordedatnominallyconstantstrikervelocity,isnecessaryfordetailedcharacterizationoftheimpactbehaviour.Thesetestmethodsareapplicabletospecimenswithathicknessbetween1mmand4mm.NOTEForthicknesseslessthan1mm,ISO7765shouldpreferablybeused.Thicknessesgreaterthan4mmmaybetestediftheequipmentissuitable,butthetestfallsoutsidethescopeofISO6603-1andISO6603-2.Thesemethodsaresuitableforusewiththefollowingtypesofmaterial:—rigidthermoplasticmouldingandextrusionmaterials,includingfilled,unfilledandreinforcedcompoundsandsheets;—rigidthermosettingmouldingandextrusionmaterials,includingfilledandreinforcedcompounds,sheetsandlaminates;—fibre-reinforcedthermosetandthermoplasticcompositesincorporatingunidirectionalornon-unidirectionalreinforcementssuchasmats,wovenfabrics,wovenrovings,choppedstrands,combinationandhybridreinforcements,rovings,milledfibresandsheetsmadefrompre-impregnatedmaterials(prepregs).Thesemethodsarealsoapplicabletospecimenswhichareeithermouldedormachinedfromfinishedproducts,laminatesandextrudedorcastsheet.Thetestresultsarecomparableonlyiftheconditionsofpreparationofthespecimens,theirdimensionsandsurfacesaswellasthetestconditionsarethesame.Inparticular,resultsdeterminedonspecimensofdifferentthicknesscannotbecomparedwithoneanother(seeannexEofISO6603-2:—).Comprehensiveevaluationofthereactiontoimpactstressrequiresthatdeterminationsbemadeasafunctionofimpactvelocityandtemperaturefordifferentmaterialvariables,suchascrystallinityandmoisturecontent.Theimpactbehaviouroffinishedproductscannotbepredicteddirectlyfromthistest,butspecimensmaybetakenfromfinishedproducts(seeabove)fortestbythesemethods.Testdatadevelopedbythesemethodsshouldnotbeusedfordesigncalculations.However,informationonthetypicalbehaviourofthematerialcanbeobtainedbytestingatdifferenttemperaturesandimpactvelocities(seeannexDofISO6603-2:—),byvaryingthethickness(seeannexEofISO6603-2:—)andbytestingspecimenspreparedunderdifferentconditions.TwostatisticalmethodsoftestaredescribedinthispartofISO6603:—MethodA:staircasemethod(individual)(preferred)Inthismethod,auniformenergyincrementisemployedduringtesting.Theenergyisdecreasedorincreasedbytheuniformincrementaftertestingeachspecimen,dependingupontheobservedresult(passorfail)fortheprecedingtest.—MethodB:groupmethod(optional)Inthismethod,successivegroupsofatleasttentestspecimensaretested.Theimpactfailureenergyiscalculatedbystatistics.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:32P;A4
【正文语种】:英语


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基本信息
标准名称:标记销(试行)
中标分类: 机械 >> 工艺装备 >> 一般卡具
发布日期:1981-11-02
实施日期:1982-01-01
首发日期:1900-01-01
作废日期:1900-01-01
出版日期:1900-01-01
页数:1页
适用范围

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前言

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引用标准

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所属分类: 机械 工艺装备 一般卡具
【英文标准名称】:SILICONERUBBERS.CLASS52CHARACTERISTICS.
【原文标准名称】:硅橡胶.52类.性能
【标准号】:NFL17-152-1985
【标准状态】:作废
【国别】:法国
【发布日期】:1985-06
【实施或试行日期】:1985-05-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:G35;V13
【国际标准分类号】:
【页数】:3P;A4
【正文语种】:其他



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