ASTM C448-1988(2006) 工业瓷器瓷漆的耐磨蚀的标准试验方法

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【英文标准名称】:StandardTestMethodsforAbrasionResistanceofPorcelainEnamels
【原文标准名称】:工业瓷器瓷漆的耐磨蚀的标准试验方法
【标准号】:ASTMC448-1988(2006)
【标准状态】:现行
【国别】:
【发布日期】:1988
【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】:B08.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:瓷漆;磨蚀;工业瓷器;釉层;覆层;试验
【英文主题词】:
【摘要】:Whenaporcelainenamelisfirstsubjectedtoabrasionofthetypeinvolvedinthesetests,therateofwearorattritionisrelativelylow.Astheenamelissubjectedtocontinuedabrasion,therateofwearincreasesuntilitreachesasteadyvalue.Thereafter,therateofwearremainsalmostconstantuntiltheenamelispenetratedandtheunderlyinggroundcoatormetalexposed.Theabrasionthatoccursduringtheperiodofincreasingrate-of-weightlossisdefinedassurfaceabrasionandresultsinreducedglossandcleanabilitywithhigh-glossenamelsandamodificationofcolor,appearance,orsurfacetexture,orcombinationthereofwithlow-glossenamels.Theabrasionthatoccursduringtheperiodofsteadyrate-of-weightlossisdefinedassubsurfaceabrasionandresultsinthedestructionofthecontinuityofthecoating.Thesetwotypesofabrasionarenotnecessarilyproportional,andsinceitisdesirabletobeabletodeterminetheresistanceofporcelainenameltobothtypesofabrasion,itisnecessarytodealwitheachoneseparately.1.1Thesetestmethodscoverdeterminationoftheresistanceofporcelainenamelstosurfaceabrasionandsubsurfaceabrasion.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y26
【国际标准分类号】:25_220_50
【页数】:10P.;A4
【正文语种】: