ASTM D5767-1995(2004) 涂层表面成像清晰度光泽仪器测量的标准试验方法
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【英文标准名称】:StandardTestMethodsforInstrumentalMeasurementofDistinctness-of-ImageGlossofCoatingSurfaces
【原文标准名称】:涂层表面成像清晰度光泽仪器测量的标准试验方法
【标准号】:ASTMD5767-1995(2004)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:E12.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:表面;试验方法;涂覆的;测量
【英文主题词】:distinctnessofimage;gloss;highglosssurfaces;imageclarity
【摘要】:Animportantaspectoftheappearanceofglossycoatingsurfacesisthedistinctness(clarity)ofimagesreflectedbythem.ThevaluesobtainedbythemeasuringproceduresgiveninthesemethodsgenerallycorrelatewellwithvisualratingsforDOI(imageclarity).4AlthoughTestMethodsD523andD4039areusefulincharacterizingsomeaspectsofglossyappearance,theydonotprovidesatisfactoryratingsforDOI(imageclarity).ThemeasurementconditionsgivenconformtotheconditionsspecifiedinTestMethodsE430.ThemeasurementconditionsgiveninTestMethodsBandCconformtotheconditionsspecifiedinISOStandard10216.Thescalevaluesobtainedwiththemeasuringproceduresofthesemethodsrangefrom0to100withavalueof100representingperfectDOI(imageclarity).TheDOI(imageclarity)scalevaluedoesnotofitself,indicateanyspecificcauseforreductioninreflectedimagesharpness.Surfaceirregularitiessuchashaze,orangepeel,andwrinkle,whenpresent,maybecitedascausesforreductionofimagesharpness.1.1Thistestmethoddescribesthemeasurementofthedistinctness-of-image(DOI)glossofcoatingsurfacesusingelectro-opticalmeasuringtechniques.Thecoatingsmustbeappliedtoplanarrigidsurfaces.Thescalevaluesobtainedfromthealternativemethodsciteddonotagree.1.2Threetestmethodsarecoveredasfollows:1.2.1TestMethodAGlossreflectancefactormeasurementsaremadeonthespecimenatthespecularviewingangleandatanangleslightlyoffthespecularviewingangle.ThevaluesobtainedarecombinedtoprovideaDOIvalue.Verynarrowsourceandreceptorapertureanglesareusedinthemeasurements.1.2.2TestMethodBThelightthroughasmallslitisprojectedonthespecimensurfaceanditsreflectedimageintensityismeasuredthroughaslidingcombedshuttertoprovideavalueofimageclarity.1.2.3TestMethodCThelightthroughapatternisprojectedonthespecimensurfaceanditsreflectedimageintensityismeasureddirectlytoprovideavalueofimageclarity.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityofwhoeverusesthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:25_220_01
【页数】:6P.;A4
【正文语种】:
【原文标准名称】:涂层表面成像清晰度光泽仪器测量的标准试验方法
【标准号】:ASTMD5767-1995(2004)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:E12.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:表面;试验方法;涂覆的;测量
【英文主题词】:distinctnessofimage;gloss;highglosssurfaces;imageclarity
【摘要】:Animportantaspectoftheappearanceofglossycoatingsurfacesisthedistinctness(clarity)ofimagesreflectedbythem.ThevaluesobtainedbythemeasuringproceduresgiveninthesemethodsgenerallycorrelatewellwithvisualratingsforDOI(imageclarity).4AlthoughTestMethodsD523andD4039areusefulincharacterizingsomeaspectsofglossyappearance,theydonotprovidesatisfactoryratingsforDOI(imageclarity).ThemeasurementconditionsgivenconformtotheconditionsspecifiedinTestMethodsE430.ThemeasurementconditionsgiveninTestMethodsBandCconformtotheconditionsspecifiedinISOStandard10216.Thescalevaluesobtainedwiththemeasuringproceduresofthesemethodsrangefrom0to100withavalueof100representingperfectDOI(imageclarity).TheDOI(imageclarity)scalevaluedoesnotofitself,indicateanyspecificcauseforreductioninreflectedimagesharpness.Surfaceirregularitiessuchashaze,orangepeel,andwrinkle,whenpresent,maybecitedascausesforreductionofimagesharpness.1.1Thistestmethoddescribesthemeasurementofthedistinctness-of-image(DOI)glossofcoatingsurfacesusingelectro-opticalmeasuringtechniques.Thecoatingsmustbeappliedtoplanarrigidsurfaces.Thescalevaluesobtainedfromthealternativemethodsciteddonotagree.1.2Threetestmethodsarecoveredasfollows:1.2.1TestMethodAGlossreflectancefactormeasurementsaremadeonthespecimenatthespecularviewingangleandatanangleslightlyoffthespecularviewingangle.ThevaluesobtainedarecombinedtoprovideaDOIvalue.Verynarrowsourceandreceptorapertureanglesareusedinthemeasurements.1.2.2TestMethodBThelightthroughasmallslitisprojectedonthespecimensurfaceanditsreflectedimageintensityismeasuredthroughaslidingcombedshuttertoprovideavalueofimageclarity.1.2.3TestMethodCThelightthroughapatternisprojectedonthespecimensurfaceanditsreflectedimageintensityismeasureddirectlytoprovideavalueofimageclarity.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityofwhoeverusesthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:25_220_01
【页数】:6P.;A4
【正文语种】:
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