ASTM C621-2009 熔融玻璃耐火材料耐等温腐蚀的标准试验方法
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【英文标准名称】:StandardTestMethodforIsothermalCorrosionResistanceofRefractoriestoMoltenGlass
【原文标准名称】:熔融玻璃耐火材料耐等温腐蚀的标准试验方法
【标准号】:ASTMC621-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:C08.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:corrosion;crucible;finger;glass;glass-linecut;isothermal;metal-linecut;refractory;static;Corrosion--refractories;Glassrefractories;Moltenglass;Refractories(glass)
【摘要】:Thistestmethodprovidesarapid,inexpensivemethodforcomparingthecorrosionresistanceofrefractories.Theisothermalconditionsofthistestmethodrepresentthemostseverestaticcorrosionenvironmentpossibleatthespecifiedtesttemperature.Thistestmethodissuitableforqualitycontrol,researchanddevelopmentapplications,andforproductvaluestudiesonsimilarmaterials.Testsrunataseriesoftemperaturesareoftenhelpfulindeterminingtheusetemperaturelimitationsofaparticularmaterial.Melt-linecorrosionresultsarealsoausefulindicationofrelativeresistancetobothupwardanddownwarddrillingcorrosionmechanisms.Examinationoftestspecimensalsoprovidesinformationaboutthetendencyforaparticularrefractorytoformstonesorotherglassdefects.Becausethistestmethodisbothisothermalandstaticandsincemostglass-contactrefractoriesoperateinadynamicsystemwithathermalgradient,testresultsdonotdirectlypredictserviceinafurnace.Theeffectsofdifferingthermalconductivities,refractorythickness,artificialcoolingorinsulationupontherefractorythermalgradient,andtheerosiveactionofmovingmoltenglasscurrentsarenotevaluatedwiththistest.1.1Thistestmethodcoversthedeterminationofthecorrosionresistanceofrefractoriesincontactwithmoltenglassunderstatic,isothermalconditions.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】:6P.;A4
【正文语种】:英语
【原文标准名称】:熔融玻璃耐火材料耐等温腐蚀的标准试验方法
【标准号】:ASTMC621-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:C08.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:corrosion;crucible;finger;glass;glass-linecut;isothermal;metal-linecut;refractory;static;Corrosion--refractories;Glassrefractories;Moltenglass;Refractories(glass)
【摘要】:Thistestmethodprovidesarapid,inexpensivemethodforcomparingthecorrosionresistanceofrefractories.Theisothermalconditionsofthistestmethodrepresentthemostseverestaticcorrosionenvironmentpossibleatthespecifiedtesttemperature.Thistestmethodissuitableforqualitycontrol,researchanddevelopmentapplications,andforproductvaluestudiesonsimilarmaterials.Testsrunataseriesoftemperaturesareoftenhelpfulindeterminingtheusetemperaturelimitationsofaparticularmaterial.Melt-linecorrosionresultsarealsoausefulindicationofrelativeresistancetobothupwardanddownwarddrillingcorrosionmechanisms.Examinationoftestspecimensalsoprovidesinformationaboutthetendencyforaparticularrefractorytoformstonesorotherglassdefects.Becausethistestmethodisbothisothermalandstaticandsincemostglass-contactrefractoriesoperateinadynamicsystemwithathermalgradient,testresultsdonotdirectlypredictserviceinafurnace.Theeffectsofdifferingthermalconductivities,refractorythickness,artificialcoolingorinsulationupontherefractorythermalgradient,andtheerosiveactionofmovingmoltenglasscurrentsarenotevaluatedwiththistest.1.1Thistestmethodcoversthedeterminationofthecorrosionresistanceofrefractoriesincontactwithmoltenglassunderstatic,isothermalconditions.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】:6P.;A4
【正文语种】:英语
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