【英文标准名称】:StandardPracticeforPreparingRefractoryCastableSpecimensbyColdGunning
【原文标准名称】:用冷喷射法制作耐火可浇注材料样品的标准实施规程
【标准号】:ASTMC903-2010
【标准状态】:现行
【国别】:
【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】:C08.09
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:喷射法;回弹;预湿润;耐火可浇注材料;样品;冷喷射法;难熔物;耐火混凝土;试样制备-耐火材料
【英文主题词】:gunning;rebound;predampening;refractorycastable;specimens;Cold-gunningmethod;Gunning;Predampening;Rebound;Refractories(castable);Refractoryconcrete;Specimenpreparation(fortesting)--refractories
【摘要】:Thepropertiesofrefractorycastablescanbeaffectedbytheirmethodofinstallation.Thispracticeattemptstominimizethevariablesencounteredduringinstallationbypneumaticgunning.ThispracticeprovidesparameterstoproducegunnedspecimensforuseinotherASTMtestmethods.Thispracticemaybeusedtoproducespecimensforacceptancetesting,serviceevaluation,manufacturingcontrol,andresearchanddevelopment.Differencesbetweenvariouskindsofequipmentandthedifferencesinproceduresandoperatortechniquesmayresultinsignificantvariationsinthephysicalpropertiesofthegunnedspecimens.Itisrecommendedthatthesameoperatorusethesameequipmenttoproducespecimensforrefereetestingagreedtobytheinvolvedtestingparties.Thespecificoperatingparametersshouldbeshowninthereport.Althoughthispracticeisspecificallydesignedforrefractorycastablescontainingcalciumaluminatecement,itmaybeusedwithminormodificationsforgunmixescontainingotherbondsystems.1.1Thispracticecoversaprocedureforpreparingrefractorycastablespecimensusuallycontainingcalciumaluminatecementwithorwithoutmetalfibersbycoldnozzle-mixgunning.SpecimenspreparedinaccordancewiththispracticeareintendedforuseinstandardASTMtestmethodsrequiredforevaluatinggunnedmaterials.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】:2P.;A4
【正文语种】: