基本信息
| 标准名称： | ZGS型光栅数字地中衡 |
| 中标分类： |
综合 >>
计量 >>
力学计量 |
| 发布日期： | |
| 实施日期： | 1991-07-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
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前言
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引用标准
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所属分类： 综合 计量 力学计量
【英文标准名称】:StandardTestMethodforMeasuringAbrasionUsingtheDrySand/RubberWheelApparatus
【原文标准名称】:用干砂/橡胶轮装置测定磨蚀的标准试验方法
【标准号】:ASTMG65-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:G02.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;工艺;磨损;磨蚀;金属;磨蚀试验
【英文主题词】:abrasionresistance-metals/metallicmaterials;drysand/rubberwheeltest;metalsandmetallicmaterials;rubberwheeltest;resistanceofmetallicmaterialstoscratchingabrasion,bydry;Sand/RubberWheeltest
【摘要】:Theseverityofabrasivewearinanysystemwilldependupontheabrasiveparticlesize,shape,andhardness,themagnitudeofthestressimposedbytheparticle,andthefrequencyofcontactoftheabrasiveparticle.Inthispracticetheseconditionsarestandardizedtodevelopauniformconditionofwearwhichhasbeenreferredtoasscratchingabrasion(1and2).Thevalueofthepracticeliesinpredictingtherelativerankingofvariousmaterialsofconstructioninanabrasiveenvironment.Sincethepracticedoesnotattempttoduplicatealloftheprocessconditions(abrasivesize,shape,pressure,impact,orcorrosiveelements),itshouldnotbeusedtopredicttheexactresistanceofagivenmaterialinaspecificenvironment.Itsvalueliesinpredictingtherankingofmaterialsinasimilarrelativeorderofmeritaswouldoccurinanabrasiveenvironment.Volumelossdataobtainedfromtestmaterialswhoselivesareunknowninaspecificabrasiveenvironmentmay,however,becomparedwithtestdataobtainedfromamaterialwhoselifeisknowninthesameenvironment.Thecomparisonwillprovideageneralindicationoftheworthoftheunknownmaterialsifabrasionisthepredominantfactorcausingdeteriorationofthematerials.1.1Thistestmethodcoverslaboratoryproceduresfordeterminingtheresistanceofmetallicmaterialstoscratchingabrasionbymeansofthedrysand/rubberwheeltest.Itistheintentofthistestmethodtoproducedatathatwillreproduciblyrankmaterialsintheirresistancetoscratchingabrasionunderaspecifiedsetofconditions.1.2Abrasiontestresultsarereportedasvolumelossincubicmillimetresfortheparticulartestprocedurespecified.Materialsofhigherabrasionresistancewillhavealowervolumeloss.Note1Inordertoattainuniformityamonglaboratories,itistheintentofthistestmethodtorequirethatvolumelossduetoabrasionbereportedonlyinthemetricsystemascubicmillimetres.1mm3=6.102105in3.1.3Thistestmethodcoversfiverecommendedprocedureswhichareappropriateforspecificdegreesofwearresistanceorthicknessesofthetestmaterial.1.3.1ProcedureAThisisarelativelyseveretestwhichwillrankmetallicmaterialsonawidevolumelossscalefromlowtoextremeabrasionresistance.Itisparticularlyusefulinrankingmaterialsofmediumtoextremeabrasionresistance.1.3.2ProcedureBAshort-termvariationofProcedureA.Itmaybeusedforhighlyabrasiveresistantmaterialsbutisparticularlyusefulintherankingofmedium-andlow-abrasive-resistantmaterials.ProcedureBshouldbeusedwhenthevolume-lossvaluesdevelopedbyProcedureAexceeds100mm3.1.3.3ProcedureCAshort-termvariationofProcedureAforuseonthincoatings.1.3.4ProcedureDThisisalighterloadvariationofProcedureAwhichisparticularlyusefulinrankingmaterialsoflow-abrasionresistance.ItisalsousedinrankingmaterialsofaspecificgenerictypeormaterialswhichwouldbeverycloseinthevolumelossratesasdevelopedbyProcedureA.1.3.5ProcedureEAshort-termvariationofProcedureBthatisusefulintherankingofmaterialswithmedium-orlow-abrasionresistance.Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J04
【国际标准分类号】:17_040_20
【页数】:12P.;A4
【正文语种】: