1、INTERNATIONA1.STANDARDISO2313-2editionFirst2021-05Texti1.esDeterminationoftherecoveryfromcreasingofafo1.dedspecimenoffabricbymeasuringtheang1.eofrecovery一附注3dofthevertica1.1.yfo1.dedspecimenTexti1.esDeterminationdeauto-dfroissabi1.itd,une6prouvettedtoffep1.i6c,parmesuragedeang1.eremanentQprGsp1.iage
2、Partie2:Methodede睦ProUVetIep1.ieVertica1.emeniReferencenumberIS02313-2:2021(E)COPYRIGHTPROTECTEDDOCUMENTISO2021岫rkdea/山thUcdOthcnviscjftc三orrtmcehDVBiwixuioiti08phnn11UatiocBhrhotocp)Mng,ptbcatonpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanherequestedfromeitherISOatthe
3、addressbe1.owOr1.sOXSmemberbodyinthecountryoftherequester.%,tft晒Iandonnet8CH-1214*crnicr,GenevaPhone：M1.22749O1.11帆禅igjWft.orgPub1.ishedinSwitzerhndIS02313-2:2021(E)INTERNATIONA1.STANDARDTexti1.esDeterminationoftherecoveryfromcreasingofafo1.dedspecimenoffabricbymeasuringtheang1.eofrecoveryMethodofth
4、evertica1.1.yfo1.dedspecimen1 Scopercrnova1.itofcreasing1.oad,thatthefo1.ded1.ineisvertica1.tohorizonta1.p1.aneforaSPednedtimeafter2 Normativereferencesconstitutesrequirements1.atestcditiondocument.referencedrefercnces,(inc1.udingamendments)app1.ies.app1.ies.3 Termsanddefinitionsna1.thefo1.1.owingIS
5、OandIECmaintaintermino1.ogica1.databasesJacuscjnstandardixa.tiaddresses:3.1 IECE1.ectropedia:avai1.ab1.eathttsrwww.e1.eoadthespecimenfor5min5s,thenquick1.yremovetheweight-piece.Thespecimenho1.derboardtogetherwithpressurehoardfverturns90tomakefo1.ded1.inevertica1.tothehorizonta1.p1.ane,andthenpressur
6、eboardisremoved,frceoperatonspccimendocsnotsudden1.ySPringSPCdmenoverturnshou1.dbequickandsmoothPtoinH1.1.M*twWvtteethetwo1.i11!taeofthespecimenshowsanytendencytoadhere,asheetofpaperormeta1.foi1.canbe8.4afterremova1.easetherecoveryang1.ebyexpressedinstrumentformeasuringcreaserecweryreadang1.ecrease1
7、5recoveryang1.ebytheinstrumentformeasuringrecoveryang1.eat5minSsafterremova1.ofthecreasing1.oad,expressedasde1.aycreaserecoveryang1.e.Ifthefree1.imbtwistsorcur1.ss1.ight1.y,measurethecreaserecoveryang1.ebasedontheextension1.inea1.ongthef1.atstraightpartfromthefo1.ded1.ine.8.5_Conducttestingtheothers
8、pecimensaccordingto8.1to8.4.9Expressionofresu1.tsCa1.cu1.atethemeanva1.ueroundedofftoonedecima1.p1.aceforthefo1.1.owing：1) Creasecross1.ength(forexamp1.e,warp)direction:a) facetoface；orb) backtoback.2) Creasecrosstransverse(forexamp1.e,weft)direction:a) facetoface；orb) backtoback.10TestreportThetest
9、reportsha1.1.inc1.udeat1.eastthefo1.1.owinginformation：a) areferencetothisdocument,i.e.ISO2313-2:2021;b) a1.1.detai1.snecessaryfortheidentificationofthesamp1.etested；c) numberofspecimenseva1.uated;d) fo1.dedsurface(facetoface,orbacktoback);C)creasecrossdirection(1.ength/warp,ortransverse/WCft);11the
10、meanva1.ueofrapidcreaserecoveryang1.eorde1.aycreaserecoveyang1.e；g) anydeviationfromthep11cedurespecified;h) theda1.eofthetest.AnnexA(informative)Examp1.eofautomatictesterA.1.ShownTheFiguretest.parametersofthetesteraresameasdescribedin5.1.ThediagramofthetesterisKeyspecimenho1.derboarddetectorofcreas
11、erecoveryang1.eFigureA.1.DiagramofautomatictesterA.2downward.Weightpiece:Thereare10weight-piecesfortesting10specimens.TheycanmoveupwardandA.3theweight-pieceho1.derboard:to1.n1.oad1.cst.thespecimenIoadingboardisP1.aCedtheweigh1.-picceposition,upward1.eavingfromtheboard,andtheboardautomatica1.1.yovert
12、urnsfromhorizonta1.positiontovertica1.position.A.4Detectorofcreaserecoveryang1.e:Equipwithimageacquisitionsystemtoobtainthecreaserecoveryang1.e(seeFigureA.2).Thedetectorcanmovea1.ongthea1.ignmentofthespecimenho1.derboardstoadjustthepositioncorrespondingtothecreaserecoveryang1.ebetweenfixed1.imbandfree1.imb.I%2341 detectingheadofimageacquisitionsystem2 specimen3 convex1.enses4tfeRsnu(A2Diagramofdetectingcreaserecover)ang1.ewithimageacquisitionsystemICS59.080.30PriCebasedon8pages
