【英文标准名称】:StandardTestMethodforDeterminationofSurfaceLubricationonFlexibleWebs
【原文标准名称】:挠性网状物表面润滑性测定的标准试验方法
【标准号】:ASTMG164-1999(2004)
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:G02.50
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:照相软片;摩擦的静系数;网状物;塑料薄板;摩擦试验
【英文主题词】:frictiontesting;photographicfilms;plasticsheet;staticcoefficientoffriction;webs
【摘要】:Manywebmaterialsdonotconveysatisfactorilyinmanufactureorwork,orboth,asintendedinserviceunlesstheirsurfacecontainsaverythinlayeroflubricantintheformofawax,particulate,thinfilmcoating,orfluid.Itisoftenveryexpensiveandtimeconsumingtousesurfacechemicalanalysistechniquestoquantifythepresenceofthesefilms.Asimplefrictiontestlikethisoneperformsthisfunction.Thistesthasbeenusedforovertwentyyearstodetectthepresenceoflubricantsonthesurfaceofphotographicfilmsatvariousstagesinmanufacture.Inthisinstancethesurfacesarelubricatedwithwaxesandthistestreliablydetectsifthewaxispresent.Itisnotusedtoquantifytheamountofwax,onlyifitispresent.Thistestcanbeusedasaqualitytesttomakesurethatalubricantispresent.Testsamplesarenormallycomparedwithanunlubricatedreferencespecimen.Thecoefficientoffrictionofthetestsamplesiscomparedwiththecoefficientoffrictionoftheunlubricatedreferencespecimenstodetermineifalubricantispresent.1.1Thistestmethodhasbeenusedsince1988asanANSI/ISOstandardtestfordeterminationoflubricationonprocessedphotographicfilms.Itspurposewastodeterminethepresenceofprocess-survivinglubricantsonphotographicfilms.Itisthepurposeofthistestmethodtoexpandtheapplicabilityofthistestmethodtootherflexiblewebsthatmayneedlubricationforsuitableperformance.Thistestmeasuresthebreakaway(static)coefficientoffrictionofametalrideronthewebbytheinclinedplanemethod.Theobjectivesofthetestistodetermineifawebsurfacehasalubricantpresentornot.Itisnotintendedtoassignafrictioncoefficienttoamaterial.Itisnotintendedtoranklubricants.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J04
【国际标准分类号】:75_100
【页数】:3P.;A4
【正文语种】: