ASTM E 448-1982 金属材料的回跳硬度试验
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【英文标准名称】:StandardPracticeforScleroscopeHardnessTestingofMetallicMaterials
【原文标准名称】:金属材料的回跳硬度试验
【标准号】:ASTME448-1982
【标准状态】:现行
【国别】:美国
【发布日期】:1982
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:金属;工艺;试验;材料;机械试验;硬度测量
【英文主题词】:Hardnessmeasurement;Materials;Mechanicaltesting;Metals;Processes;Shorescleroskop;Testing
【摘要】:
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:5P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforPinAbrasionTesting
【原文标准名称】:销钉磨蚀试验用标准试验方法
【标准号】:ASTMG132-1996(2007)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:销钉;磨蚀;实验室耐磨试验;销钉磨蚀试验;表格;滚筒;耐磨性;皮带;圆盘
【英文主题词】:abrasion;abrasives;tribology;wear;wearresistance
【摘要】:Theamountofwearinanysystemwill,ingeneral,dependuponanumberofsystemfactorssuchastheappliedload,machinecharacteristics,slidingspeed,slidingdistance,theenvironment,andmaterialproperties.Theprimaryvalueofthisweartestmethodliesinpredictingtherelativerankingofmaterials.Thistestmethodimposesconditionsthatcausemeasurablemasslossesanditisintendedtorankmaterialsforapplicationsinwhichmoderatetosevereabrasionoccurs.Testmaterialsshouldbereasonablyresistanttosuchabrasion.Sincethisabrasiontestdoesnotattempttoduplicatealloftheconditionsthatmaybeexperiencedinservice(forexample,abrasiveparticlesize,shape,hardness,speed,load,andpresenceofacorrosiveenvironment),thereisnoassurancethatthistestmethodwillpredictthewearrateofagivenmaterialunderconditionsdifferingfromthoseinthistestmethod.1.1Thistestmethodcoversalaboratoryprocedurefordeterminingthewearresistanceofamaterialwhenrelativemotioniscausedbetweenanabrasivecloth,paper,orplasticfilmandacontactingpinofthetestmaterial.Theprincipalfactorsandconditionsrequiringattentionwhenusingthistypeofapparatustomeasureweararediscussed.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J04
【国际标准分类号】:19_060
【页数】:8P.;A4
【正文语种】:
【英文标准名称】:StandardTestMethodforRoundnessofGlassSpheres
【原文标准名称】:玻璃球的圆度的标准试验方法
【标准号】:ASTMD1155-2010
【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】:D01.44
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:roundness;glassspheres;Glassspheres(intrafficpaint/markingmaterial);Roundnessofglassspheres
【摘要】:Theroundnessofglassspheresisonemeasurableaspectrelatingtotheirperformanceasaretroreflectivemedia.Thefunctionofthistestmethodistomeasurethepercentoftruespheresasrelatedtocompliancewithapplicablespecifications.Note18212;Thismethodhasbeenusedinotherindustrialareasoutsidetheintendedscopeofthistestmethod.1.1Thistestmethodcoversthedeterminationofthepercentoftruespheresinglassspheresusedforretroreflectivemarkingpurposesandindustrialuses.1.2Thistestmethodincludestwoproceduresasfollows:1.2.1ProcedureA,inwhichtheselectedspecimenissplitintotwosizerangesorgroupspriortoseparationintotruespheresandirregularparticles,and1.2.2ProcedureB,inwhichtheselectedspecimenissplitintofivesizerangesorgroupspriortoseparation.1.2.3Indeterminingcompliancewithspecificationrequirements,eitherProcedureAorProcedureBmaybeused.Wheretestsindicatefailuretomeetthespecifiedpercentoftruespheresandirregularparticles,therefereetestshallbemadeinaccordancewithProcedureB.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q30
【国际标准分类号】:81_040_30
【页数】:5P.;A4
【正文语种】:英语
