【英文标准名称】:StandardPracticeforRotarySlagTestingofRefractoryMaterials
【原文标准名称】:耐火材料的旋转熔渣标准实施规范
【标准号】:ASTMC874-1999(2009)
【标准状态】:现行
【国别】:美国
【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】:C08.04
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:corrosion;penetration;refractories;rotary;slag;Refractories(general);Rotaryslagtesting;Slag
【摘要】:Thispracticeoutlinesaprocedurewhich,whenappropriateevaluationmethodsareadded,canbeusefulinthedevelopmentofnewproductsorintheselectionofproductstobeusedincontactwithaparticularslagcomposition.Agradientexiststhroughthetestspecimensthatiscontrolledbythethermalconductivityofthespecimensandbackupmaterial.Theslagisconstantlyrenewedsothatahighrateofcorrosionismaintained.Theflowoftheslagcancausemechanicalerosionofmaterials.Thetiltandrotationalspeedofthefurnacewillaffecttheamountofmechanicalerosion.Usecautionininterpretingresultswhenmaterialsofvastlydifferenttypesareincludedinasinglerun.Caremustbetakentopreventoxidationofcarbon-containingmaterialsduringheatup;failuretodosocanresultinhighlyerraticresults.Areferencerefractoryspecimen,orspecimens,shouldbeusedforcomparison.1.1Thispracticedescribesaprocedureforcomparingthebehaviorofrefractoriestotheactionofmoltenslaginarotatingtestfurnace.Areferencematerialshouldbeincludedineachtestandrunforcomparison.Nonumericresultsareobtainedfromthispractice.Numericevaluationoftestresultsistheresponsibilityofthetestoperator.ThetestandequipmentarepatternedafteramethoddevelopedbyValleyDolomiteCorporation.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q40
【国际标准分类号】:81_080
【页数】:3P.;A4
【正文语种】:英语


【英文标准名称】:CarbonandAlloySteelForgingsforRingsforReductionGears
【原文标准名称】:减速器环用碳素钢和合金钢锻件
【标准号】:ASTMA290-1985
【标准状态】:作废
【国别】:美国
【发布日期】:1985
【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】:碳素钢;钢;齿轮箱;合金钢;环;锻件;减速齿轮系统
【英文主题词】:carbonsteels;gearboxes;steels;reducinggearsystems;forgings;rings;alloysteels
【摘要】:
【中国标准分类号】:J32
【国际标准分类号】:77_140_80
【页数】:4P;A4
【正文语种】:英语