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ASTM D3884-2009 纺织品耐磨性的标准指南(旋转平台、双头法)

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【英文标准名称】:StandardGuideforAbrasionResistanceofTextileFabrics(RotaryPlatform,Double-HeadMethod)
【原文标准名称】:纺织品耐磨性的标准指南(旋转平台、双头法)
【标准号】:ASTMD3884-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D13.60
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:abrasion;rotaryplatform;textilefabric;Abrasionresistance--textilefabrics/fibers;Double-headabrader;Rotaryplatformabrader;Textilefabrics(general)
【摘要】:Themeasurementoftheresistancetoabrasionoftextileandothermaterialsisverycomplex.Theresistancetoabrasionisaffectedbymanyfactors,suchastheinherentmechanicalpropertiesofthefibers;thedimensionsofthefibers;thestructureoftheyarns;theconstructionofthefabrics;andthetype,kind,andamountoffinishingmaterialaddedtothefibers,yarns,orfabric.Theresistancetoabrasionisalsogreatlyaffectedbytheconditionsofthetests,suchasthenatureofabradant,variableactionoftheabradantovertheareaofspecimenabraded,thetensionofthespecimen,thepressurebetweenthespecimenandabradant,andthedimensionalchangesinthespecimens.Abrasiontestsareallsubjecttovariationduetochangesintheabradantduringspecifictests.Theabradantmustaccordinglybediscardedatfrequentintervalsorcheckedperiodicallyagainstastandard.Withdisposableabradants,theabradantisusedonlyonceordiscardedafterlimiteduse.Withpermanentabradantsthatusehardenedmetalorequivalentsurfaces,itisassumedthattheabradantwillnotchangeappreciablyinaspecificseriesoftests.Similarabradantsusedindifferentlaboratorieswillnotchangeatthesamerate,duetodifferencesinusage.Permanentabradantsmayalsochangeduetopickupoffinishingorothermaterialfromtestfabricsandmustaccordinglybecleanedatfrequentintervals.Themeasurementoftherelativeamountofabrasionmayalsobeaffectedbythemethodofevaluationandmaybeinfluencedbythejudgmentoftheoperator.Theresistanceoftextilematerialstoabrasionasmeasuredonatestingmachineinthelaboratoryisgenerallyonlyoneofseveralfactorscontributingtowearperformanceordurabilityasexperiencedintheactualuseofthematerial.Whilex201C;abrasionresistancex201D;(oftenstatedintermsofthenumberofcyclesonaspecifiedmachine,usingaspecifiedtechniquetoproduceaspecifieddegreeoramountofabrasion)andx201C;durabilityx201D;(definedastheabilitytowithstanddeteriorationorwearingoutinuse,includingtheeffectsofabrasion)arefrequentlyrelated,therelationshipvarieswithdifferentenduses,anddifferentfactorsmaybenecessaryinanycalculationofpredicteddurabilityfromspecificabrasiondata.Laboratorytestsmaybereliableasanindicationofrelativeend-useperformanceincaseswherethedifferenceinabrasionresistanceofvariousmaterialsislarge,buttheyshouldnotberelieduponwheredifferencesinlaboratorytestfindingsaresmall.Ingeneral,theyshouldnotberelieduponforpredictionofactualwear-lifeinspecificendusesunlesstherearedatashowingthespecificrelationshipbetweenlaboratoryabrasiontestsandactualwearintheintendedend-use.Thesegeneralobservationsapplytoalltypesoffabrics,includingwoven,nonwoven,andknitapparelfabrics,householdfabrics,industrialfabrics,andfloorcoverings.Itisnotsurprising,therefore,tofindthattherearemanydifferenttypesofabrasiontestingmachines,abradants,testingconditions,testingprocedures,methodsofevaluationofabrasionresistanceandinterpretationofresults.Allthetestproceduresandinstrumentsthathavebeendevelopedforabrasionresistanceoffabricsmayshowahighdegreeofvariabilityinresultsobtainedbydifferentoperatorsandindifferentlaboratories,however,theyrepresenttheproceduresmostwidelyusedintheindustry.Becausethereisadefiniteneedformeasuringtherelativeresistancetoabrasion,thisisoneoftheseveralproceduresthatisusefultohelpminimizetheinherentvariationinresultsthatmayoccur.Beforedefinitepredictionsoffabricusefulnesscanbedrawnfromanabrasiontestasmade..........
【中国标准分类号】:W55
【国际标准分类号】:59_080_30
【页数】:7P.;A4
【正文语种】:英语


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【英文标准名称】:Simpleunfiredpressurevesselsdesignedtocontainairornitrogen.Part3:steelpressurevesselsdesignedforairbrakingequipmentandauxiliarypneumaticequipmentforrailwayrollingstock.
【原文标准名称】:设计用于装空气或氮气的不用火加热的一般压力容器.第3部分:用于铁路运输车辆的空气制动设备和辅助气动设备的钢制压力容器
【标准号】:NFF11-040-1994
【标准状态】:现行
【国别】:法国
【发布日期】:1994-12-01
【实施或试行日期】:1994-12-20
【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】:J74
【国际标准分类号】:23_020_30
【页数】:56P;A4
【正文语种】:其他


【英文标准名称】:Ceramicandglassinsulatingmaterials-Specificationsforindividualmaterials
【原文标准名称】:陶瓷和玻璃绝缘材料.专用材料规范
【标准号】:BSEN60672-3-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-01-15
【实施或试行日期】:1998-01-15
【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】:
【英文主题词】:
【摘要】:ThispartofIEC60672isapplicabletoceramic,glass-ceramic,glass-micaandglassmaterialsforelectricalinsulatingpurposes.Itprovides,forguidance,aclassificationofmaterialsforgeneralelectricalinsulatingpurposes,andindicatestypicalnumericalvaluesforthecharacteristicsrelevanttoeachsubgrouportypeofmaterialasdeterminedbythetestmethodsdefinedinIEC60672-2.Thesenumericalvaluesapplyonlytothespecifiedtestspecimensandtestmethods.Theycannotnecessarilybeextendedtotestspecimensandproductsofothershapesanddimensionsormethodsoffabrication.
【中国标准分类号】:K48;K15
【国际标准分类号】:29_035_30
【页数】:18P;A4
【正文语种】:英语