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ASTM E310-1999(2004)e1 锡青铜铸件用参考射线照片

作者:标准资料网 时间:2024-04-19 00:51:02  浏览:8729   来源:标准资料网
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【英文标准名称】:StandardReferenceRadiographsforTinBronzeCastings
【原文标准名称】:锡青铜铸件用参考射线照片
【标准号】:ASTME310-1999(2004)e1
【标准状态】:现行
【国别】:
【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】:E07.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:射线摄影;锡;试验;青铜;金属;合金;无损检验;铸件;铜合金
【英文主题词】:brass;bronze;castings;copper;discontinuities;gammaray;referenceradiographs;tinbronze;valvebronze;x-ray
【摘要】:1.1Thesereferenceradiographsarereproductionsoforiginalradiographsandillustratevarioustypesanddegreesofdiscontinuitiesoccurringintinbronzeandrelatedtypesofalloys.ThereferenceradiographfilmsareanadjuncttothisdocumentandmustbepurchasedseparatelyfromASTMInternationalifneeded.Theyareintendedtoprovidethefollowing:1.1.1Aguidetotherecognitionofcommondiscontinuitiesandtheirdifferentiationbothastotypeandseveritylevel.1.1.2Astandardnomenclatureforreferenceinacceptancestandards,specificationsanddrawings.1.1.3Asourceofreferenceradiographsfromwhichmanufacturersandpurchasersmay,bymutualagreement,selectparticularradiographstoserveasstandardsrepresentingminimumacceptability.Thestandardssoestablishedareidentifiedbyanalphabeticdefecttypeandseveritylevel(orclass)designation.1.2Theoriginalradiographsareofdiscontinuitiesinsandcast88:8:4Cu-Sn-Zn,"G"type,bronzealloyplates.Thesediscontinuitiesarerepresentativeofthosefoundinwidesolidificationrangecopper-tinbasealloys.ThefollowingASTMspecificationsillustratealloyscoveredbythesestandards;however,itisintendedthatthesereferenceradiographsalsoapplytorelatedGovernmentandcommercialmaterialspecifications:ValvebronzecastingsB61CompositionbronzeorouncemetalcastingsB62TinbronzesandcastingsB584LeadedredbrasssandcastingsB584Copper-basealloycentrifugalcastings(asapplicable)B271SimilartoMIL-B-16541.SimilartoMIL-B-16444.
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【英文标准名称】:StandardTestMethodforGammaAluminaContentinCatalystsContainingSilicaandAluminabyX-rayPowderDiffraction
【原文标准名称】:用X-射线粉末衍射法对触煤剂中含硅和铝矾土的触煤剂中伽马铝矾土含量的试验方法
【标准号】:ASTMD4926-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D32.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:氧化铝;催化剂;试验;X射线衍射分析
【英文主题词】:alumina;catalysts;gammaalumina;gammaaluminacontent;x-raypowderdiffraction
【摘要】:Thistestmethodisforestimatingtherelativeamountofgammaaluminaincalcinedcatalystsamples,assumingthattheX-raypowderdiffractionpeakoccurringatabout67x00B0;2x03B8;isattributabletogammaalumina.Gammaaluminaisdefinedasatransitionaluminaformedafterheatingintherangefrom500to550x00B0;C,andmayincludeformsdescribedintheliteratureaseta,chi,andgammaaluminas.Deltaaluminahasadiffractionpeakinthesameregion,butisformedabove850x00B0;C,atemperaturetowhichmostcatalystsofthistypearenotheated.Thereareotherpossiblecomponentswhichmaycausesomeinterference,suchasalpha-quartzandzeoliteY,aswellasaluminum-containingspinelsformedatelevatedtemperatures.Ifthepresenceofinterferingmaterialissuspected,thediffractionpatternshouldbeexaminedingreaterdetail.Moresignificantinterferencemaybecausedbythepresenceoflargeamountsofheavymetalsorrareearths,whichexhibitstrongX-rayabsorptionandscattering.Comparisonsbetweensimilarmaterials,therefore,maybemoreappropriatethanthosebetweenwidelyvaryingmaterials.1.1ThistestmethodcoversthedeterminationofgammaaluminaandrelatedtransitionaluminasincatalystscontainingsilicaandaluminabyX-raypowderdiffraction,usingthediffractedintensityofthepeakoccurringatabout672whencopperKradiationisemployed.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G60
【国际标准分类号】:71_040_30
【页数】:2P.;A4
【正文语种】:


基本信息
标准名称:桑蚕绢丝织物
中标分类: 纺织 >> 丝纺织 >> 丝和丝交制品
替代情况:转化为FZ/T 43010-1999
发布日期:
实施日期:1991-01-01
首发日期:
作废日期:
出版日期:
页数:10页
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所属分类: 纺织 丝纺织 丝和丝交制品

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