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ASTM C987-2010 炉上层结构用耐火材料的蒸气冲击标准实施规范

作者:标准资料网 时间:2024-03-29 18:37:51  浏览:8398   来源:标准资料网
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【英文标准名称】:StandardTestMethodforVaporAttackonRefractoriesforFurnaceSuperstructures
【原文标准名称】:炉上层结构用耐火材料的蒸气冲击标准实施规范
【标准号】:ASTMC987-2010
【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】:C08.10
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:腐蚀;玻璃;耐火材料;上部结构;蒸汽腐蚀;蜕变速率
【英文主题词】:corrosion;glass;refractories;superstructures;vaporattack;Disintegrationrate
【摘要】:Thistestmethodprovidesaguideforevaluatingtheresistanceofrefractoriesinglassmeltingfurnacesuperstructurestovaporattack.Thistestmethodmayalsobeusefulforevaluatingrefractoriesinotherapplicationswherevaporattackoccurs.Anelectric-heatedfurnaceisrecommended.Watervaporandotheratmosphericcomponentsinagas-orfuel-firedfurnacemayparticipateinthechemicalandphysicalreactionsbeingstudied.Resultsmaydiffer,therefore,dependinguponthenatureandtypeoffiringemployed.Thedegreeofcorrelationbetweenthistestmethodandserviceperformanceisnotfullydeterminable.Thisisintendedtobeanacceleratedtestmethodthatgeneratesasubstantialdegreeofreactioninarelativelyshortamountoftime.Thisaccelerationmaybeaccomplishedbychangingthecompositionand/orconcentrationofthereactants,increasingtemperatures,orbyperformingthetestinanisothermalenvironment.Sincethetestmethodmaynotaccuratelysimulatetheserviceenvironment,observedresultsofthistestmethodmaynotberepresentativeofthosefoundinservice.Itisimperativethattheuserunderstandandconsiderhowtheresultsofthistestmethodmaydifferfromthoseencounteredinservice.Thisisparticularlylikelyifthereactionproducts,theirnature,ortheirdegreedifferfromthosenormallyfoundintheactualserviceenvironment.Itisincumbentupontheusertounderstandthatthisisanaggressive,acceleratedtestmethodandtobecarefulininterpretingtheresults.If,forexample,thereactionspecieshaveneverbeenfoundinarealworldfurnace,thenthistestmethodshouldnotnecessarilybeconsideredvalidtoevaluatetherefractoryinquestion.1.1Thistestmethodcoversaprocedureforcomparingthebehaviorofrefractoriesincontactwithvaporsunderconditionsintendedtosimulatetheenvironmentwithinaglassmeltingorothertypeoffurnacewhenrefractoriesareexposedtovaporsfromrawbatch,moltenglass,fuel,fuelcontaminants,orothersources.Thisprocedureisintendedtoaccelerateserviceconditionsforthepurposeofdetermininginarelativelyshorttimetheintervalresistancetofluxing,bloating,shrinkage,expansion,mineralconversion,disintegration,orotherphysicalchangesthatmayoccur.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:81_080
【页数】:3P.;A4
【正文语种】:


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【英文标准名称】:Electroniccomponents.Printedboardsofassessedquality.Multilayerprintedboards.Sectionalspecification.
【原文标准名称】:电子元件.经质量评估的印刷电路板.多层印制电路板.分规范
【标准号】:NFC93-706-1983
【标准状态】:现行
【国别】:法国
【发布日期】:1983-04-01
【实施或试行日期】:1983-04-07
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:可焊性试验;试验;电子设备及元件;尺寸测量;质量管理;宏观分析;电子元部件;附着力试验;电气试验;印制电路插件;合格试验;鉴定试验;质量保证体系;规范;机械试验;质量保证程序;宏观检查;试样;试验条件;协议;印制电路板
【英文主题词】:
【摘要】:
【中国标准分类号】:L30
【国际标准分类号】:31_180
【页数】:29P;A4
【正文语种】:其他


MIL-STD-1537C (NOTICE 1), DEPARTMENT OF DEFENSE TEST METHOD STANDARD FOR ELECTRICAL CONDUCTIVITY TEST FOR VERIFICATION OF HEAT TREATMENT OF ALUMINUM ALLOYS EDDY CURRENT METHOD (05 SEP 2008)., MIL-STD-1537C, dated 25 June 2002, has been reviewed anddetermined to be valid for use in acquisition.

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