ASTM D3512/D3512M-2010e1 纺织纤维的抗起球性和其他相关表面变化的标准试验方法:翻滚式起球试验仪

作者:标准资料网 时间:2024-05-22 03:00:26   浏览:8351   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforPillingResistanceandOtherRelatedSurfaceChangesofTextileFabrics:RandomTumblePillingTester
【原文标准名称】:纺织纤维的抗起球性和其他相关表面变化的标准试验方法:翻滚式起球试验仪
【标准号】:ASTMD3512/D3512M-2010e1
【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】:D13.60
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:fabric;fuzz;pills;Pillingresistance;Randomtumblepillingtester;Surfaceanalysis--textilefabrics/fibers;Textilefabrics(general)
【摘要】:AcceptanceTesting8212;Thismethodoftestingfabricsforresistancetopillingisnotrecommendedforacceptancetesting.Ifitisusedforacceptancetesting,itshouldbeusedwithcautionbecausethebetween-laboratoryprecisionispoor.Insomecasesthepurchaserandthesuppliermayhavetotestacommercialshipmentofoneormorespecificmaterialsbythebestavailabletestmethod,eventhoughthetestmethodisnotrecommendedforacceptancetesting.Iftherearedifferencesorpracticalsignificancebetweenreportedtestresultsfortwolaboratories(ormore),comparativetestsshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,thetestsamplesshouldbeusedthatareashomogeneousaspossible,drawnfromthematerialfromwhichthedisparatetestresultswereobtained,andrandomlyassignedinequalnumberstoeachlaboratoryfortesting.Othermaterialswithestablishedtestvaluesmaybeusedforthispurpose.Thetestresultsfromthetwolaboratoriesshouldbecomparedusingastatisticaltestforunpaireddata,ataprobabilitylevelchosenpriortothetestingseries.Ifabiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsmustbeadjustedinconsiderationoftheknownbias.Thepillingoftextilefabricsisaverycomplexpropertybecauseitisaffectedbymanyfactorswhichmayincludetypeoffiberorblends,fiberdimensions,yarnandfabricconstruction,fabricfinishingtreatmentsandrefurbishingmethod.Testingbeforerefurbishingmaybeadviseable.Thepillingresistanceofaspecificfabricinactualwearvariesmorewithgeneralconditionsofuseandindividualwearersthaninreplicatefabricspecimenssubjectedtocontrolledlaboratorytests.Thisexperienceshouldbeborneinmindwhenadoptinglevelsofacceptabilityforanyseriesofstandards.Pillsvaryappreciablyinsizeandappearanceanddependonthepresenceoflintanddegreeofcolorcontrast.Thesefactorsarenotevaluatedwhenpillingisratedsolelyonthenumberofpills.Thedevelopmentofpillsmaybeaccompaniedbyothersurfacephenomenasuchaslossofcover,colorchange,orthedevelopmentoffuzz.Sincetheoverallacceptabilityofaspecificfabricisdependentonboththecharacteristicsofthepillsandtheotherfactorsaffectingsurfaceappearance,itissuggestedthatfabricstestedinthelaboratorybeevaluatedsubjectivelywithregardtotheiracceptabilityandnotratedsolelyonthenumberofpillsdeveloped.Aseriesofstandards,basedongraduateddegreesofsurfacechangeofthefabrictypebeingtested,maybesetuptoprovideabasisforsubjectiveratings.Thevisualstandardsaremostadvantageouswhenthelaboratorytestspecimenscorrelatecloselyinappearancewithwornfabricsandshowasimilarratioofpillstofuzz.Countingthepillsandweighingtheirnumberwithrespecttotheirsizeandcontrast,asacombinedmeasureofpillingresistance,isnotrecommendedbecauseoftheexcessivetimerequiredforcounting,sizing,andcalculating.Thedegreeoffabricpillingisevaluatedbycomparingthetestedspecimenswithvisualstandards,whichmaybeactualfabricsorphotographsoffabrics,showingarangeofpillingresistance.Theobservedresistancetopillingisreportedonanarbitraryscalerangingfrom5(nopilling)to1(veryseverepilling).Thistestmethodisapplicabletoawidevarietyofwovenandknittedfabricsthatvaryinpillingpropensityasaresultofvariationsinfiber,yarnandfabricstructure,andfinish.1.1Thistestmethodcoverstheresistancetotheformationofpillsandotherrelatedsurfacechangesontextilefabricsusingtherandomtumblepillingtester.Theprocedureisgenerallyapplicable......
【中国标准分类号】:W55
【国际标准分类号】:59_080_30
【页数】:6P.;A4
【正文语种】:英语


下载地址: 点击此处下载
基本信息
标准名称:有机薄膜热老化性能评定试验方法 机械性能法
中标分类: 电工 >> 电工材料和通用零件 >> 电工绝缘材料及其制品
发布日期:
实施日期:2004-06-01
首发日期:
作废日期:
出版日期:
适用范围

没有内容

前言

没有内容

目录

没有内容

引用标准

没有内容

所属分类: 电工 电工材料和通用零件 电工绝缘材料及其制品
【英文标准名称】:StandardPracticeforDesignofSteamTurbineGeneratorOilSystems
【原文标准名称】:蒸气涡轮发电机润滑油系统设计的标准实施规范
【标准号】:ASTMD4248-1998(2003)
【标准状态】:作废
【国别】:
【发布日期】:1998
【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】:D02.C0.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:润滑系统;发电机;汽轮机;设计;石油产品;润滑剂
【英文主题词】:coolers;filters;lubrication;oilsystems;piping;pumps;reservoirs;steamturbines;strainers
【摘要】:Thepurposeofthisguideforturbinegeneratoroilsystemsistoensurethat:3.1.1Lubrication,control,andsealingwillbeperformedsatisfactorilybytheoilinamannermutuallyacceptabletothepartiesconcerned.
【中国标准分类号】:K54
【国际标准分类号】:
【页数】:4P.;A4
【正文语种】: