ASME BPVC CCB BPV Supplement 8-2006 ASME锅炉和压力容器规范.规范容器:CCBBPV.锅炉和压力容器.补充件8
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【英文标准名称】:ASMEBoilerandPressureVesselCode-CodeCases:CCBBPV;BoilersandPressureVessels;Supplement8
【原文标准名称】:ASME锅炉和压力容器规范.规范容器:CCBBPV.锅炉和压力容器.补充件8
【标准号】:ASMEBPVCCCBBPVSupplement8-2006
【标准状态】:作废
【国别】:美国
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国机械工程师协会(ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:代码;组件;设计;材料;压力容器;安全工程;规范(验收);蒸汽锅炉;船舶;工作压力
【英文主题词】:Codes;Components;Design;Materials;Pressurevessels;Safetyengineering;Specification(approval);Steamboilers;Vessels;Workingpressures
【摘要】:
【中国标准分类号】:J74
【国际标准分类号】:23_020_30
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminingFormingLimitCurves
【原文标准名称】:测定形成限制曲线的标准试验方法
【标准号】:ASTME2218-2002(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:E28.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:circlegrid;forminglimitcurve(FLC);forminglimitdiagram(FLD);limitingdomeheight(LDH);majorstrain;minorstrain;strainanalysis;Biaxialstress;Cold-rolledsteelsheet/strip--specifications;Deepdrawingsteel;Deformation--metals/allo
【摘要】:Aforminglimitcurve(FLC)definesthemaximum(limiting)strainthatagivensampleofametallicsheetcanundergoforarangeofformingconditions,suchasdeepdrawing,stretchingandbendingoveraradiusinapressanddiedrawingoperation,withoutdevelopingalocalizedzoneofthinning(localizednecking)thatwouldindicateincipientfailure.FLCscanbeobtainedempiricallybyusingalaboratoryhemisphericalpunchbiaxialstretchtestandalsoatensiontesttostrainmetalsheetspecimensfromamaterialsamplebeyondtheirelasticlimit,justpriortolocalizedneckingandfracture.Sincethiscannotbepredetermined,oneorbothsurfacesofspecimensarecoveredwithagridpatternofgagelengthsusuallyassquaresorsmalldiametercircles,byasuitablemethodsuchasscribing,photo-grid,orelectro-etching,andtheneachspecimenisformedtothepointoflocalizednecking,orfracture.Strainsinthemajor(e1)andminor(e2)directionsaremeasuredusingpointsonthegridpatternintheareaofthelocalizedneckingorfracture.Blanksofvariedwidthsareusedtoproduceawiderangeofstrainstatesintheminor(e2)direction.Themajor(e1)strainisdeterminedbythecapacityofthematerialtobestretchedinonedirectionassimultaneoussurfaceforceseitherstretch,donotchange,orcompress,themetalinthe(e2)direction.Inthetensiontestdeformationprocess,the(e2)strainsarenegativeandthemetalisnarrowedboththroughthethicknessandacrossitswidth.Thesestrainsareplottedonaforminglimitdiagram(FLD)andtheforminglimitcurve(FLC)isdrawntoconnectthehighestmeasured(e1ande2)straincombinationsthatincludegooddatapoints.Whenthereisintermixingandnocleardistinctionbetweengoodandneckeddatapoints,abestfitcurveisestablishedtofollowthemaximumgooddatapointsastheFLC.Theforminglimitisestablishedatthemaximum(e1)strainattainedpriortonecking.TheFLCdefinesthelimitofusefuldeformationinformingmetallicsheetproducts.FLCsareknowntochangewithmaterial(specificallywiththemechanicalorformabilitypropertiesdevelopedduringtheprocessingoperationsusedinmakingthematerial),andthethicknessofthesheetsample.Thestrainhardeningexponent(nvalue),definedinTestMethodE646,affectstheforminglimit.Ahighnvaluewillraisethelimitingmajorstrain(e1),allowingmorestretchunderpositive(+e2)strainconditions.Theplasticstrainratio(rvalue),definedinTestMethodE517,affectsthecapacityofamaterialtobedeepdrawn.Ahighrvaluewillmovetheminor(x2212;e2)strainintoalesssevereareatotheleftoftheFLDo,thuspermittingdeeperdrawsforagivenmajor(e1)strain.ThethicknessofthematerialwillaffecttheFLCsinceathickerspecimenhasmorevolumetorespondtotheformingprocess.ThepropertiesofthesteelsheetproductusedindeterminingtheFLCofFig.2includedthenvalueandthervalue.FLCsserveasadiagnostictoolformateria.......
【中国标准分类号】:A42
【国际标准分类号】:77_040_20
【页数】:15P.;A4
【正文语种】:英语
【英文标准名称】:Shipsandmarinetechnology-ComparisonofcopperalloysinaccordancewithDINandDINENstandardsforpipelineequipment
【原文标准名称】:船舶和海上技术.管道设备用符合DIN和DINEN标准的铜合金的比较
【标准号】:DINV86002-2000
【标准状态】:作废
【国别】:德国
【发布日期】:2000-05
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:钥匙;铜管;对照表;材料编号;表;造船工程;近海工程;DIN标准;铜合金;管道;变换;管道配件;标准;汇编;DINEN标准;标准化;材料
【英文主题词】:keys;conversion;equivalentlists;dinenstandards;lists;materials;standards;standardization;compilation;dinstandards;copperpipes;navalengineering;offshoreengineering;pipelines;materialnumbers;copperalloys;pipefittings
【摘要】:ThedocumentgivesacomparisonofcopperalloysinaccordancewithDIN-andDINENstandardsforpipelineequipment.
【中国标准分类号】:U55
【国际标准分类号】:47_020_30
【页数】:7P.;A4
【正文语种】:德语
