基本信息
| 标准名称： | 核电厂管道电热系统设计和安装 |
| 中标分类： |
能源、核技术 >>
核仪器与核探测器 >>
反应堆、核电厂安全配电设备 |
| ICS分类： |
能源和热传导工程 >>
核能工程 >>
核电站、安全
|
| 发布日期： | 1992-03-16 |
| 实施日期： | 1992-07-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 27页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 能源 核技术 核仪器与核探测器 反应堆 核电厂安全配电设备 能源和热传导工程 核能工程 核电站 安全
【英文标准名称】:StandardGuideforIdentificationofFibers,Fillers,andCoreMaterialsinComputerizedMaterialPropertyDatabases
【原文标准名称】:计算机处理的材料性能数据库中纤维、填充料和磁心材料的识别
【标准号】:ASTME1471-1992(2004)
【标准状态】:现行
【国别】:
【发布日期】:1992
【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】:D30.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:编目;填充料;材料;数据基础
【英文主题词】:computerization;corematerial;fiber;filler;materialsdatabases;materialidentification
【摘要】:Thisguidedefinestheinformationwhichisconsideredessentialtouniquelydescribeafiber,filler,orcorematerialinacomputerizeddatabase.Aformatisrecommendedforplacingthesedatainfieldssuitableforacomputerizeddatabase.Additionalfieldswhichareconsidereddesirable,butnotessential,arealsodefined.Thepurposeistofacilitateefficientstorageandretrievaloftheinformationwithacomputerandtoallowmeaningfulcomparisonofdatafromdifferentsources.Comparisonofpropertydatafromdifferentsourceswillbemostmeaningfulifalltheessentialinformationdefinedbytheguidelinesispresent.Comparisonmaystillbepossibleifessentialinformationisomitted,butthevalueofthecomparisonmaybegreatlyreduced.Whileatthistimethereisnogenerallyacceptednumberingsystemforthesematerials,analogoustothoseformetalsandalloys,afieldforanidentifyingnumber(MaterialReferenceNumber)isincludedshouldsuchasystembedevelopedinthefuture.Thisinformationshouldnotbeconsideredrestrictive.Forexample,adatabasedesignermayfinditusefultoaggregateseveralfields,suchasthematerialandchemicalclassfields,intoasinglefield.Thismayaffectsearchstrategiesandotherdatabaseoperations.Theseconsiderationsarebeyondthescopeofthisguide.1.1Thisguideestablishestheessentialanddesirableelementsofdatarequiredfortheidentificationincomputerizedmaterialpropertydatabasesoffibers,fillers,andcorematerialsusedincompositematerials.Arecommendedformatforentryofthesefieldsintoacomputerizeddatabaseisprovided.Examplesoftheapplicationofthisguidearealsoincluded.1.2Therecommendedformatdescribedinthisguideissuggestedforuseinrecordingdatainadatabase,whichisdifferentfromcontracturalreportingofactualtestresults.Thelattertypeofinformationisdescribedinmaterialsspecificationsshowninbusinesstransactionsandissubjecttoagreementbetweenvendorandpurchaser.1.3Thematerialscoveredbythisguideincludefibers,bothcontinuousanddiscontinuous,andfillersofvariousgeometrieswhichareusedasreinforcementsincompositematerials,aswellascorematerialsusedinsandwichcomposites.Coresmaybefoam,honeycomb,ornaturallyoccurringmaterialssuchasbalsawood.Thesematerialsaredistinguishedfrombulkmaterialsbytheimportanceoftheirspecializedgeometricformstotheirproperties.Thisdifferenceisreflectedintheuseofgeometry,alongwithchemistry,asaprimarybasisforclassification.IdentificationofcompositematerialsisdiscussedinGuideE1309.
【中国标准分类号】:L70
【国际标准分类号】:
【页数】:5P.;A4
【正文语种】: