ISO/TR 7469-1977 硬质板的尺寸稳定性

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Product Code:SAE AMS4186
Title:Aluminum Alloy, Bars, Rods, and Wire, Rolled Or Cold Finished, 5.6zn 2.5mg 1.6cu 0.23cr, as Fabricated
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers an aluminum alloy in the form of bars, rods, and wire.【英文标准名称】:StandardGuideforMaterialPropertiesNeededinEngineeringDesignUsingPlastics
【原文标准名称】:使用塑料的工程设计中所要求的材料特性的标准指南
【标准号】:ASTMD5592-1994(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:1994
【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】:D20.10
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:computeraideddesign(CAD);computeraidedengineering(CAE);engineeringdesign;finiteelementanalysis;manufacturability;plastics;structuralanalysis;CAD/CAMsystems;Computeraideddesign(CAD);Computeraidedengineering(CAE);Engineering
【摘要】:Thisguideisintendedtoserveasareferencetotheplasticscommunityformaterialpropertiesneededinengineeringdesign.Productdatasheetsorproductliteraturetypicallyreportsingle-pointvaluesatambientconditionsandhence,bytheirverynature,areinadequateforengineeringdesignandstructuralanalysisofacomponentorsystem.Adetailedpropertyprofilefortheparticulargradechosenforagivenpartnotonlyenhancestheconfidenceofthedesignengineerbyallowingamorerealisticassessmentofthematerialunderclose-to-actualserviceenvironmentsbutalsomayavoidprematurefailureofthedesignedcomponentandpotentialliabilitylitigationlater.Additionally,itwouldalsoeliminateuseoflargerx201C;designsafetyfactorsx201D;thatresultinx201C;overengineeringx201D;orx201C;overdesign.x201D;Notonlyissuchoverdesignunwarranted,butitaddstothetotalpartcost,resultinginagoodexampleofineffectivedesignwithplasticsandaprimetargetforsubstitutionbyothermaterials.Oneoftheproblemsfacedbydesignengineersisaccesstocomparabledataamongsimilarproductsfromdifferentmaterialsuppliersbecauseofthelackofstandardizedreportingformatintheplasticsindustry.ISO10350.1,ISO11403-1,andISO11403-2areintendedtoaddressthecomparabilityofdataissueonlyasfarassingle-pointandmultipointdataformaterialselection.Thisguideattemptstoserveasameanstostandardizetheformattoreportcomparabledataforengineeringdesign.ItisessentialthatincorporatingstandardizedtestspecimengeometryandspecifictestconditionsasrecommendedinGuideD1999,PracticeD3641,orISO3167andISO294-1areanintegralpartofthedatageneration.1.1Thisguidecoverstheessentialmaterialpropertiesneededfordesigningwithplastics.Itspurposeistoraisetheawarenessoftheplasticscommunityregardingthespecificconsiderationsinvolvedinusingtheappropriatematerialpropertiesindesigncalculations.1.2Thisguideisintendedonlyasaconvenientresourceforengineeringdesign.Itshouldbenotedthatthespecificoperatingconditions(temperature,appliedstressorstrain,environment,etc.andcorrespondingdurationofsuchexposures)couldvarysignificantlyfromoneapplicationtoanother.Itis,therefore,theresponsibilityoftheusertoperformanypertinenttestsunderactualconditionsofusetodeterminethesuitabilityofthematerialintheintendedapplication.1.3TheapplicableISOandASTMstandardmethodsfortherelevantmaterialpropertiesarelistedinthisguideforthebenefitofdesignengineers.1.4Itshouldbenotedthatforsomeofthedesiredproperties,noASTMorISOstandardsexist.TheseincludepvTdata,no-flowtemperature,ejectiontemperature,andfatigueintension.Intheseinstances,relyingonavailabletestmethodsissuggested.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThereisnosimilarorequivalentISOstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:6P.;A4
【正文语种】:英语