ISO 008442021.docx

1、INTERNATIONA1.STANDARDISO844editionSeventh2021-03Rigidce1.1.u1.arp1.astics一DeterminationofcompressionpropertiesP1.astiquesa1.vMairesrigidesDeterminationdescaract6ristiquesdecompressionRtfO-enccanatta1.(E)O1.SO2021COPYRIGHTPROTECTEDDOCUMENTISO2021岫rkdea/山thUcdOthcnviscspeMifti1.iwcoiTifKti!ndinehDvri

2、wiiiJiioKRiwp1.ttmnUatioij(r|jhj1.iotocopywig.pnWicationpstingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanherequestedfromeitherISOatthU-w4JbeintheIntroductionand/orontheISO1.istofpatentdec1.arationsreceived(seewww.iso.org/pa1.ents).Anytradeusedinthisconstitutenameendorsement

3、documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsand哪蝴蜘明瓶ationc。的福P奥酿睢帕he3iMHi潴IW箱tion南版淮IS)华哂瞬聊硼isoforeword.htn1.%cs攻Ument)三borati硼战战opeancommitte既0/T假豳临制1攵WmitteeCEN/TC249,P1.astics,inaccordancewiththeAgreeme

4、ntontechnica1.cooperationbetweenISOandCEN(ViennaAgreement).*Vfced.shWitioWWrigPi1.)mparVHrep1.acetyihepreviouser:Itisexpressedasapercentage.3.2re1.ativedeformation(procedureB)Note1toentry：itisexpressedasapercentage.ISO2021-A1.1.rightsreservedThisdocumentspecifiesmethodsfordeterminingthecompressivest

5、rengthandcorrespondingre1.ativerigidCe1.1.u1.artheThefo1.1.owingdocumentsarereferredtointhetextinsuchawaythatsomeora1.1.oftheircontentundatedreferences,theofthisoftheFordateddocumenton1.yIheanyeditioncitedForISO291rP1.asticsStandardatmospheresforconditioningandtestingISO7500-1rMeta1.1.icmateria1.sCa

6、1.ibrationandverificationofstaticuniaxia1.testingmachinesPart1:ISO9513,Meta1.1.icmateria1.s-Ca1.ibrationofextensometersystemsusedinuniaxia1.testingForthepurposesofthisdocument,thefo1.1.owingtermsanddefinitionsapp1.y.ISOOn1.inebrowsingp1.atform:avai1.ab1.eathttps:/www.iso.org/obprat100fthereduction(i

7、nre1.ationtoitsinitia1.va1.ue)inthicknessofthetestspecimenNote2toentrr:cmisthenomina1.re1.ativedeformationcorrespondingtom(see3.3).rat100fthereduction(inre1.ationtoitsinitia1.va1.ue)ofextensometergauge1.engthNote2toentrr:misthere1.ativedeformationcorrespondingto11(see3.3).3.3compressivestrengthNote1

8、toentry:Itisexpressedinmegapasca1.s(MPa).compressivestressat10%nomina1.re1.ativedeformation(procedureA)Note1toentry:Itisexpressedinmegapasca1.s(MPa).pressivemodu1.usofe1.asticity(procedure)EcNote1toentry:Itisexpressedinmegapasca1.s(MPa).compressivemodu1.usofe1.asticity(procedureB)ENote1toentry:Itise

9、xpressedinmegapasca1.s(MPa).conventiona1.propo1.iona1.1.imitXcNote1toentry:Itisexpressedinmi1.1.imetres(mm).4Symbo1.sinsquaremi)1.i-initia1.cross-sectiona1.areaInmi1.1.imetresdisp1.acementatintheconventiona1.e1.asticZOner(ProcedureB)(7mmaximumcompressiveforceFmdividedbytheinitia1.cross-sectiona1.are

10、aoofthetestspecimenwhenthere1.ativedeformationandthenomina1.re1.ativedeformationcrespective1.yis52to72351,0725011,0J2exactMiVf1.sedforceca1.cu)ationsha1.1.bemeasuredtoanaccuracyof0,1mm6.2.2.1forceSbtfbefixedmachineordermwsureproduredbyreactionthespecimenuponp1.ywithc1.ass1ofISO7500-1withinthere1.eva

11、ntpartofthecurve.6.2.2.2rexnme1.edthatabefortheSinrakaneousfarcehedisp1.acementObuiningOHYeOfva1.uesF1requiredinC1.ause8withtheaccuracy1.aiddownin6.2.1andthissubc1.ause,andprovidesadditiona1.informationonthebehaviouroftheproduct.6.2.3Ca1.ibrationThemachinesha1.1.beca1.ibratedperiodica1.1.yaccordingt

12、oISO7SOO-I(forcemeasurement)andISO95136.3(dhttrantetsncJQircrnent).measuringthedimensionsofthetestspecimens73第inaccordancewithISO1923.7.1DimensionsThepreferredgeometryanddimensionsarearightprismwithabaseof(1001)mm(1001)mm(501)mm.A1.soacceptab1.e,butnotpreferred,aretestspecimenswhichthebasesha1.1.bee

13、ithersquareorcircu1.ar,withaminimumareaof25cmzandmaximumof230cm2.WMChtnessirrfddM5rpwnentatbgrtHbminimfcftirinimn取ifcb.CfcyBPtsuchPrOd1.1.g(W0ediateUsskinsbethefu1.1.thickness,providedthattheminimumthicknessis10mmorgreaterandthatthemaximumthicknessisnotgreaterthanthewidthordiameterofthespecimen.Thed

14、istancebetweentwofacessha1.1.notvarybymorethan1%(to1.eranceonpara1.1.e1.ism).Undernocircumstancesmaysevera1.testspecimensbepi1.eduptoproduceagreaterthicknessfortesting.05%95kPato230kPaRangeEsnmateofrepeatahht)van3nceEstimateofreproducibi1.ityvariance95%reproducibi1.ity1.imit9%RangCEstimateofrepwtabi

15、1.it)variancer3%2S00kPato8500kPaEstimateofreproducibi1.ityvarianceSf1.9S%reproducibi1.ity1.imit25%SrUsingPrecedureB(contactextenw)meter)aninterkboratorytestwasperformedwiththreeThreedifaregivenprpntriDir1.rp1.1.n1.srfnamcwpptPctpHfthrp*11primpnP四网8MMRrrwS聊网）pusssp叫加做Q甲物WP网魂U依伊砌僧附MWmmEdm血创UpW30W%P叫0S*1Xqdej9o11qg(3)1.Z0Z:tfr8OSIICS83.100Pricebasedon15pages