NF G07-123-2011 测定纺织品尺寸变化所用的织物样品及服装的制备,标记和测量.
时间:2024-05-14 05:06:13 来源: 标准资料网 作者：标准资料网 阅读：8351
【英文标准名称】:Textiles-Preparation,markingandmeasuringoffabricspecimensandgarmentsintestsfordeterminationofdimensionalchange.
【原文标准名称】:测定纺织品尺寸变化所用的织物样品及服装的制备,标记和测量.
【标准号】:NFG07-123-2011
【标准状态】:现行
【国别】:法国
【发布日期】:2011-08-01
【实施或试行日期】:2011-08-13
【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】:
【英文主题词】:Cloth;Clothing;Dimensionalchanges;Dimensionalstabilitytests(textiles);Fabrics;Marking;Materialstesting;Measurement;Measuringsamples;Measuringtechniques;Samplepreparation;Specimenpreparation;Surfacepatterns;Testsamples;Testing;Textileconditioning;Textiles;Tissue;Wovenfabrics
【摘要】:
【中国标准分类号】:Y76;W55
【国际标准分类号】:59_080_30;61_020
【页数】:14P;A4
【正文语种】:其他
【英文标准名称】:RoadVehicles;PneumaticBrakingSystems,Pipes,TappedHolesandMaleFittings
【原文标准名称】:道路车辆.气压制动系统.导管.螺孔和外螺纹管接头
【标准号】:DINISO4039-1978
【标准状态】:作废
【国别】:德国
【发布日期】:1978-08
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:FAKRA
【标准类型】:()
【标准水平】:()
【中文主题词】:管路;规范;压力;运载工具;管道配件;摩托车;气动制动器;制动系统;管;管道工程系统;公差;尺寸;规范(审批);材料;道路车辆;金属管;空气制动系统;材料规范;螺纹
【英文主题词】:
【摘要】:
【中国标准分类号】:T23
【国际标准分类号】:4960
【页数】:3P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforDeterminingtheCharpyImpactResistanceofNotchedSpecimensofPlastics
【原文标准名称】:测定塑料切口试样的抗夏氏冲击性能的标准试验方法
【标准号】:ASTMD6110-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D20.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Charpyimpact;impactresistance;notchsensitivity;notchedspecimen;Charpyimpacttest;Impacttesting--Charpy;Notchedplasticspecimens;Windageandfrictioncorrectionchart
【摘要】:Beforeproceedingwiththistestmethod,refertothematerialspecificationforthematerialbeingtested.Anytestspecimenpreparation,conditioning,dimensionsandtestingparametersrequiredbythematerialsspecificationshalltakeprecedenceoverthoserequiredbythistestmethod.Table1ofClassificationD4000liststheASTMmaterialsstandardsthatcurrentlyexist.Ifthereisnomaterialspecification,thentherequirementsofthistestmethodapply.Thependulumimpacttestindicatestheenergytobreakstandardtestspecimensofspecifiedsizeunderstipulatedconditionsofspecimenmounting,notching(stressconcentration),andpendulumvelocityatimpact.Forthistestmethod,theenergylostbythependulumduringthebreakageofthespecimenisthesumoftheenergiesrequiredtoinitiatefractureofthespecimen;topropagatethefractureacrossthespecimen;tothrowthefreeendsofthebrokenspecimen(tossenergy);tobendthespecimen;toproducevibrationinthependulumarm;toproducevibrationorhorizontalmovementofthemachineframeorbase;toovercomefrictioninthependulumbearingandintheindicatingmechanism,andtoovercomewindage(pendulumairdrag);toindentordeform,plastically,thespecimenatthelineofimpact;andtoovercomethefrictioncausedbytherubbingofthestrikingnoseoverthefaceofthebentspecimen.Note58212;Thetossenergy,ortheenergyusedtothrowthefreeendsofthebrokenspecimen,issuspectedtorepresentaverylargefractionofthetotalenergyabsorbedwhentestingrelativelydenseandbrittlematerials.NoprocedurehasbeenestablishedforestimatingthetossenergyfortheCharpymethod.Fortough,ductile,fiber-filled,orcloth-laminatedmaterials,thefracturepropagationenergyisusuallylargecomparedtothefractureinitiationenergy.Whentestingthesematerials,energylossesduetofracturepropagation,vibration,frictionbetweenthestrikingnoseandthespecimenhasthepotentialtobecomequitesignificant,evenwhenthespecimenisaccuratelymachinedandpositioned,andthemachineisingoodconditionwithadequatecapacity(seeNote6).Significantenergylossesduetobendingandindentationwhentestingsoftmaterialshavealsobeenobserved.Note68212;Althoughtheframeandthebaseofthemachinemustbesufficientlyrigidandmassivetohandletheenergiesoftoughspecimenswithoutmotionorexcessivevibration,thependulumarmcannotbemadeverymassivebecausethegreaterpartofitsmassmustbeconcentratednearitscenterofpercussionatitsstrikingnose.Locatingthestrikingnosepreciselyatthecenterofpercussionreducesthevibrationofthependulumarmwhenusedwithbrittlespecimens.Somelossesduetopendulumarmvibration(theamountvaryingwiththedesignofthependulum)willoccurwithtoughspecimensevenwhenthestrikingnoseisproperlypositioned.Inawell-designedmachineofsufficientrigidityandmass,thelossesduetovibrationandfrictioninthependulumbearingandintheindicatingmechanismwillbeverysmall.Vibrationallossesareobservedwhenwidespecimensoftoughmaterialsaretestedinmachinesofinsufficientmass,orinmachinesthatarenotsecurelyfastenedtoaheavybase.Sincethistestmethodpermitsavariationinthewidthofthespecimensandsincethewidthdictates,formanymaterials,whetherabrittle,low-energybreak(asevidencedbylittleornodrawingdownorneckingandbyarelativelylowenergyabsorption)oraductile,high-energybreak(asevidencedbyconsiderabledrawingorneckingdownintheregionbehindthenotchandbyarelativelyhighenergyabsorption)willoccur,itis........
【中国标准分类号】:G31
【国际标准分类号】:83_140_01
【页数】:17P.;A4
【正文语种】:英语