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IS 13360-5-1: Plastics - Methods of Testing, Part 5: Mechanical Properties, Section 1: Determination of Tensile Properties - General Principles PDF

15 Pages·1996·1.6 MB·English
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इंटरनेट मानक Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public. “जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ” Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru “The Right to Information, The Right to Live” “Step Out From the Old to the New” IS 13360-5-1 (1996): Plastics - Methods of Testing, Part 5: Mechanical Properties, Section 1: Determination of Tensile Properties - General Principles [PCD 12: Plastics] “!ान $ एक न’ भारत का +नम-ण” Satyanarayan Gangaram Pitroda ““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee”” “!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै” Bhartṛhari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” IS 13360 ( Part 5/Set 1 ) : 1996 IS0 527-l : 1993 Indian Standard SCITSALP - SDOHTE FO GNITSET PART 5 MECHANICAL PROPERTIES Section 1 Determination of Tensile Properties - General Principles ICS 83.086 0 SIB 6991 BUREAU OF INDIAN STANDARDS KANAM ,NAVAHB 9 RUDAHAB HAHS RAFAZ GRAM NEW IHLED 200011 August 6991 Price Group 5 sdohteM of tseT for scitsalP lanoitceS ,eettimmoC PCD 32 LANOITAN FOREWORD sihT naidnI dradnatS hcihw si lacitnedi htiw 0SI l-725 : 3991 scitsalP‘ - noitanimreteD of elisnet seitreporp - lareneG ,’selpicnirp deussi yb eht lanoitanretnI noitazinagrO for noitazidradnatS )OSI( saw detpoda yb eht uaeruB of naidnI sdradnatS no eht noitadnemmocer of sdohteM of tseT for scitsalP lanoitceS eettimmoC dna lavorppa of eht ,muelorteP laoC dna detaleR stcudorP noisiviD .licnuoC ehT txet of 0SI dradnats sah neeb devorppa sa elbatius for noitacilbup sa naidnI dradnatS tuohtiw .snoitaived niatreC snoitnevnoc ,era ,revewoh ton lacitnedi ot esoht desu ni naidnI .sdradnatS noitnettA si ylralucitrap , nward ot eht :gniwollof )a reverehW eht sdrow lanoitanretnI‘ ’dradnatS raeppa gnirrefer ot siht ,dradnats yeht dluohs eb daer sa naidnI‘ .’dradnatS )b Comma J( sah neeb desu sa a lamiced rekram elihw ni naidnI ,sdradnatS eht tnerruc ecitcarp si ot esu a tniop ).( sa eht lamiced .rekram nI siht detpoda dradnats sraeppa-ecnerefer ot niatrec ianoitanretnl sdradnatS for hcihw naidnI sdradnatS osla .tsixe ehT gnidnopserroc naidnI sdradnatS hcihw era ot eb detutitsbus ni rieht ecalp era detsil woleb gnola htiw rieht eerged of ecnelaviuqe for eht snoitide detacidni : International Standard Corresponding Indian Standard Degree of Equivalence 0SI 192 : 7791 scitsalP - dradnatS SI 691 : 6691 cirehpsomtA snoitidnoc yllacinhceT serehpsomta for gninoitidnoc for gnitset ( )desiver tnelaviuqe dna gnitset 0SI 2062 : 0891 lacitsitatS :erpretni SI 77241 : 5991 lacitsitatS -aterpretni od noitat of tset stluser - noitamitsE of noit of tset stluser - noitamitsE of eht naem - ecnedifnoC lavretni ,naem dradnats noitaived dna noisserger tneiciffeoc - ecnedifnoC lavretni 0SI 3985 5891: rebbuR dna scitsalp liN - tset tngmpiuqe - ,elisneT laruxelf dna noisserpmoc sepyt ( tnatsnoc etar of esrevart ) - noitpircseD nI eht esac of 0SI 3985 eht lacinhcet eettimmoc elbisnopser for eht noitaraperp of siht dradnats sah deweiver sti stnetnoc dna sah dediced taht ti si elbatpecca for esu ni noitcujnoc htiw siht .dradnats roF laciport seirtnuoc ekil ,aidnI eht dradnats erutarepmet dna eht evitaler ytidimuh llahs eb nekat sa 72 + 2 C“ dna 56 f 5 tnecrep ylevitcepser nI gnitroper eht stluser of a tset ro sisylana ni ecnadrocca htiw siht ,dradnats if eht lanif ,eulav devresbo ro ,detaluclac si ot eb dednuor off, ti llahs eb enod ni ecnadrocca htiw SI 2 : 0691 seluR‘ for gnidnuor off laciremun seulav ( revised )‘. IS 13360( ceS/atraP I):1996 ISO 527-1:1993 Indian Standard SCITSALP - METHODS F,0 GNITSET PART 5 LACINAHCEM PROPERTIES Section 1 Determination of Tensile Properties - General Principles ehT sdohtem era ton yllamrcn elbatius rof esu htiw 1 Scope digir ralullec slairetam or hciwdnas serutcurts -noc gniniat ralullec .lairetam 1.1 sihT trap fo 0SI 725 seificeps eht lareneg -nirp selpic rof gninimreted eht elisnet seitreporp fo scitsalp 1.4 ehT sdohtem era deilppa gnisu snemiceps hcihw may eb rehtie dedluom ot eht nesohc -nemid dna citsalp setisopmoc rednu denifed .snzkdnoc snois or ,denihcam tuc or dehcnup from dehsinif dna tnereffid’lareveS sepyt fo tset nemiceps era denifed dehsinifimes stcudorp hcus sa ,sgnidluom ,setanimal ot tius tnereffid sepyt fo lairetam hcihw era deliated smlif dna dedurtxe or tsac .teehs nI some sesac a ni tneuqesbus strap fo 0SI .725 esoprupitlum tset nemiceps ees( 0SI ,3991:7613 P/ast ics - Preparation and use of multipurpose test specimens), may eb .desu 1.2 ehT sdohtem era desu ot etagitsevni eht elisnet ruoivaheb fo eht tset snemiceps dna rof gninimreted 1.5 ehT sdohtem yficeps derreferp snoisnemid rof eht elisnet ,htgnerts elisnet suludom dna rehto as- eht tset .snemiceps stseT hcihw era deirrac tuo no stcep fo eht elisnet niarts/sserts pihsnoitaler rednu snemiceps fo tnereffid ,snoisnemid or no snemiceps eht snoitidnoc .denifed hcihw era deraperp rednu tnereffid ,snoitidnoc may ecudorp stluser hcihw era ton .elbarapmoc rehtO fac- ,srot hcus sa eht deeps fo gnitset dna eht gninoitidnoc fo eht ,snemiceps nac osla ecneulfni eht .stluser 1.3 ehT sdohtem era ylevitceles elbatius rof esu ,yltneuqesnoC nehw evitarapmoc atad era ,deriuqer htiw eht gniwollof egnar fo :slairetam eseht srotcaf must eb ylluferac dellortnoc dna re- .dedroc - digir dna digirimes scitsalpomreht gnidluom dna noisurtxe ,slairetam gnidulcni dellif dna decrofnier sdnuopmoc ni noitidda ot dellifnu ;sepyt digir dna 2 Normative references digirimes scitsalpomreht steehs dna ;smlif ehT gniwollof sdradnats niatncc snoisivorp ,hcihw - digir dna digirimes gnittesomreht gnidluom ma- hguorht ecnerefer ni siht ,txet etutitsnoc snoisivorp ,slairet gnidulcni dellif dna decrofnier ;sdnuopmoc fo siht trap fo 0SI .725 tA eht time fo ,noitacilbup eht digir dna digirimes gnittesomreht ,steehs gnidulcni snoitide detacidni erew .dilav llA sdradnats era tcejbus ;setanimal ot ,noisiver dna seitrap ot stnemeerga desab no siht trap fo 0SI 725 era degaruocne ot etagitsevni eht - decrofnier-erbif tesomreht dna scitsalpomreht ytilibissop fo gniylppa eht most tnecer snoitide fo eht setisopmoc gnitaroprocni lanoitceridinu or -non sdradnats detacidni .woleb Members fo CEI dna 0SI lanoitceridinu stnemecrofnier hcus sa mat, nevow niatniam sretsiger fo yltnerruc dilav lanoitanretnI ,scirbaf nevow ,sgnivor deppohc ,sdnarts -ibmoc .sdradnatS noitan dna dirbyh ,stnemecrofnier sgnivor dna dellim ;serbif steehs edam from :crp detangerpmi- 0SI 192 ,7791: Plastics - Standard atmospheres for slaifptam ;)sgerperp( conditioning and testing. - ciportomreht diuqil latsyrc .sremylop 0SI 2602:l?BO, Statistical interpretation of test rs 1 IS 13360 ( Part 5/!&x 1 ) : 1996 IS0 527-l : 1993 suits - Estimation of the mean - Confidence 4.3.4 tensile stress at x % strain (see 4.41, a,: in ten/al. ssertS ta hcihw eht niarts sehcaer eht deificeps eulav x desserpxe ni .egatnecrep IS0 ,5891:3985 Rubber and plastics test equipment tI si desserpxe ni slacsapagem .)aPM( - Tensile, flexural and compression types (constant rate of traverse) - Description. tI may eb derusaem rof elpmaxe fi eht niarts/sserts evruc seod ton tibihxe a dleiy tniop ees( erugif ,1 evruc .)d nI siht ,esac x llahs eb nekat from eht -ler 3 Principle tnave tcudorp dradnats or deerga nopu yb eht -retni detse .seitrap ,revewoH x must eb rewol naht eht ehT tset nemiceps si dednetxe gnola sti major -ignol niarts gnidnopserroc ot eht elisnet ,htgnerts ni yna lanidut sixa ta tnatsnoc deeps litnu eht nemiceps .esac serutcarf or litnu eht stress )daol( or eht niarts -nole( )noitag sehcaer some denimretederp .eulav gniruD 4.4 tensile strain, E: esaercnI ni htgnel rep tinu siht erudecorp eht daol deniatsus yb eht nemiceps lanigiro htgnel fo eht .eguag dna eht noitagnole era .derusaem tI si desserpxe sa a sselnoisnemid ,oitar or ni per- egatnec (%) ees[ ,2.01 snoitauqe (4) dna .115( tI si desu rof sniarts pu ot dleiy tniop ees( ;)1.3.4 rof 4 Definitions sniarts dnoyeb dleiy tniop ees .5.4 For eht sesoprup fo siht trap fo 0SI ,725 eht gniwollof snoitinifed .ylppa 4.4.1 tensile strain at yield, z,,: elisneT niarts ta eht dleiy stress ees( 1.3.4 dna erugif ,1 sevruc b dna c). 1.4 gauge length, L,: laitinI ecnatsid neewteb eht tI si desserpxe sa a sselnoisnemid ,oitar or ni per- eguag marks no eht lartnec trap fo eht tset ;nemiceps egatnec .I%( ees serugif fo eht tset snemiceps ni eht tnaveler trap fo 0SI .725 2.4.4 tensile strain at break, &g: elisneT niartS ta eht elisnet stress ta break ees( ,12.3.4 fi ti breaks tI si desserpxe ni sertemillim (mm). tuohtiw gnidleiy ees( erugif ,1 sevruc a dna .)d 2.4 speed of testing, v: etaR fo noitarapes fo eht tI si desserpxe sa a sselnoisnemid ,oitar or ni per- spirg fo eht gnitset enihcam gnirud eht .tset egatnec .I%( tI si desserpxe ni sertemillim rep etunim (mm/min). For gnikaerb retfa ,gnidleiy ees .1.5.4 3.4 tensile stress, 0 :)gnireenigne( elisneT ecrof rep 4.4.3 tensile strain at tensile strength, &M: elisneT tinu a6ra fo eht lanigiro noitces-ssorc nihtiw eht eguag niarts ta eht tniop gnidnopserroc ot elisnet htgnerts ,htgnel deirrec yb eht tset nemiceps ta yna nevig ees( ,)3.3.4 fi siht srucco tuohtiw or ta gnidleiy ees( moment. erugif ,1 sevruc a dna .)d tI si desserpxe ni slacsapagem )aPM( ees[ ,1.01 tI si desserpxe sa a sselnoisnemid oitar or ni per- noitauqe .113( egatnec .)%1 1.3.4 elisnet stress ta ;dleiy dleiy stress, +u tsriF For htgnerts seulav rehgih naht eht dleiy stress, ees stress ta hcihw na esaercni ni niarts srucco tuohtiw .2.5.4 na esaercni ni stress. 5.4 nominal tensile strain, F+: esaercnI ni htgnel rep tI si desserpxe ni slacsapagem .)aPM( tinu lanigiro htgnel fo eht ecnatsid neewteb spirg pirg( .)noitarapes tI may eb ssel naht eht mumixam elbaniatta stress ees( erugif ,1 sevruc b dna c). tI si desserpxe sa a sselnoisnemid ,oitar or ni per- egatnec )o/o( ees[ ,2.01 snoitauqe (6) dna .117( 2.3.4 elisnet stress ta break, cB: ehT elisnet stress tI si desu rof sniarts dnoyeb dleiy tniop ees( .)1.3.4 For ta hcihw eht tset nemiceps serutpur ees( erugif .)1 sniarts pu ot dleiy ,tniop ees .4.4 tI stneserper eht tI si desserpxe ni slacsapagem .)aPM( latot evitaler noitagnole hcihw takes ecalp gnola eht eerf htgnel fo eht tset .nemiceps 3.3-i tensile strength, cM: mumixaM elisnet stress . deniatsus yb eht tset nemiceps gnirud a elisnet tset 4.5.1 nominal tensile strain at break, q+ lanimoN ees( erugif .)1 elisnet niarts ta eht elisnet stress ta break ees( ,12.3.4 fi eht nemiceps breaks retfa gnidleiy ees( tI si desserpxe ni slacsapagem .)aPM( erugif ,1 sevruc b dna c). IS 13360 ( Part 5/Set 1 ) : 1996 IS0 527-l : 1993 tI si desserpxe sa a sselnoisnemid ,oitar or ni per- egatnec .I%( Table 1 - Recomm ided testing speeds For gnikaerb tuohtiw ,gnidleiy ees .2.4.4 Speed Tolerance 2.5.4 nominal tensile strain at tensile strength, nim/mm 96 &1M: lanimoN elisnet niarts ta elisnet htgnerts ees( ,13.3.4 fi siht srucco retfa gnidleiy ees( erugif ,1 f 20 1) evruc .)b 2 f 20 1) tI si desserpxe sa a sselnoisnemid ,oitar or ni per- 5 f 20 egatnec (%). 01 f 20 02 f 10 For htgnerts seulav tuohtiw or ta ,gnidleiy ees .3.4.4 05 f 10 6.4 modulus of elasticity in tension; Young’s 001 f 10 modulus, Et: oitaR fo eht stress ecnereffid 2o sunim 002 f 10 ,0 ot eht gnidnopserroc niarts ecnereffid seulav 500 f 10 Em = 200,0 5 sunim ,E = 000,0 5 ees( erugif ,1 evruc d dna ,3.01 noitauqe .118( )1 esehT secnarelot era rellams naht esoht detacidni ni 0SI .3985 tI si desserpxe ni ,slacsapagem .)aPM( I sihT noitinifed seod ton ylppa ot smlif dna .rebbur 5.1.3 Grips ETON 1 With dedia-retupmoc ,tnempiuqe eht -im:eted noitan fo eht suludom 1E gnisu owt tcnitsid niarts/sserts spirG rof gnidloh eht tset nemiceps tlahs eb dehcatta stniop nac eb decalper yb a raenil noisserger erudecorp pa ot eht enihcam os taht eht major sixa fQ eht tset deilp no eht trap fo eht evruc neewteb eseht denoitnem nemiceps sedicnioc htiw eht noitcerid fo Uup hguorht .stniop eht enilertnec fo eht pirg .ylbmessa sihT nac eb ,deveihca rof ,elpmaxe yb gnisu gnirtnec snip ni eht 7.4 Poisson’s ratio, ~1: evitageN oitar fo eht elisnet .spirg ehT tset nemiceps llahs eb dleh hcus taht pils niarts ,,E ni eno fo eht owt sexa lamron ot eht -cerid evitaler ot eht spirg si detneverp sa raf sa elbissop dna noit fo ,llup ot eht gnidnopserroc niarts E ni eht -cerid siht llahs ylbareferp eb detceffe htiw eht epyt fo pirg noit fo ,llup nihtiw eh.t laitini raenil noitrop fo eht taht sniatniam or sesaercni erusserp no eht tset lanidutignol susrev lamron niarts .evruc nemiceps sa eht ecrof deilppa ot eht tset nemiceps .sesaercni ehT gnipmalc system llahs ton esuac pre- tI si desserpxe sa a sselnoisnemid .oitar erutam erutcarf ta eht .spirg s’nossioP oitar si detacidni sa & htdiw( )noitcerid or & ssenkciht( )noitcerid gnidrocca ot eht tnaveler .sixa 4.1.5 Load indicator s’nossioP oitar si yllaitnerefelrp desu rof -erbif-gnol decrofnier .slairetam ehT daol rotacidni llahs etaroprocni a msinahcem ca- elbap fo gniwohs eht latot elisnet daol deirrac yb eht tset nemiceps nehw dleh yb eht .spirg ehT mech- msina llahs eb yllaitnesse eerf from aitreni gal ta eht 5 Apparatus deificeps etar fo ,gnitset dna llahs etacidni eht daol htiw na ycarucca fo ta tsael 1 % fo eht lautca .eulav noitnettA si nward ot 0SI .3985 5.1 Testing machine 5.1.5 Extensometer 5~1.1 General ehT retemosnetxe tlahs ylpmoc htiw 0SI .3985 tI llahs eb elbapac fo gninimreted eht evitaler egnahc ni eht ehT enihcam llahs ylpmoc htiw 0SI ,3985 dna meet eguag htgnel no eht tset nemiceps ta yna gnirud,emit eht snoitacificeps nevig ni 2.1.5 ot ,5.1.5 sa .swollof eht .tset tI si ,elbarised tub ton ,laitnesse taht siht -ni tnemurts dluohs yllacitamotua drocer siht .egnahc ehT tnemurtsni llahs eb yllaitnesse eerf from aitreni gal ta 2.1.5 Speeds of tes#ting eht deificeps deeps fo ,gnitset dna llahs eb elbapac fo gnirusaem eht egnahc fo eguag htgnel htiw na ac- ehT gnitset-elisnet enihcam llahs eb elbapac fo -niam gniniat eht sdeeps fo gnitset ees( )2.4 sa deificeps ni ycaruc fo 1 % fo eht tnaveler eulav or .retteb sihT elbat 1. sdnopserroc ot f 1 nrl rof eht tnemerusaem fo eht ,suludom desab no a eguag htgnel fo 05 mm. 3 IS 13360 ( Part 5/Set 1 ) : 1996 IS0 527-i : 1993 nehW na retemosnetxe si dehcatta ot eht tset -iceps no eht lairetam gnieb detset dna ,taht ni eht esac fo ,nem erac llahs eb nekat ot erusne taht yna noitrotsid lellarap ,senil yeht era sa worran sa .elbissop fo or damage ot eht tset nemiceps si .laminim tI si laitnesse taht ereht si on egappils neewteb eht 4.6 Checking the test specimens retemosnetxe dna eht tset .nemiceps ehT snemiceps llahs eb eerf fo tsiwt dna llahs evah ehT snemiceps may osla eb detnemurtsni htiw -ignol yllautum ralucidneprep sriap fo lellarap .secafrus ehT lanidut niarts ,seguag eht ycarucca fo hcihw llahs eb secafrus dna segde must eb eerf from ,sehctarcs ,stip 1 % fo eht tnaveler eulav or .retteb sihT sdnopserroc knis marks dna .hsalf ehT snemiceps llahs eb dekcehc ot a niarts ycarucca fo 02 ~-O~’x 02( )niartsorcim rof rof ytimrofnoc htiw eseht stnemeriuqer yb lausiv -bo eht tnemerusaem fo eht .suludom ehT ,seguag -rus noitavres tsniaga ,segdethgiarts serauqs dna talf ecaf noitaraperp dna gnidnob stnega dluohs eb -ohc ,setalp dna htiw micrometer .srepilac snemicepS nes ot tibihxe etauqeda ecnamrofrep no eht tcejbus gniwohs devresbo or derusaem erutraped from eno .lairetam or more fo eseht stnemeriuqer .llahs eb rejected or denihcam ot reporp ezis dna epahs erofeb .gnitset 5.2 Devices for measuring width and thickness of the test specimens 5.6 Anisotropy 5.2.1 Rigid materials eeS taht trap 0SI 725 tnaveler ot eht lairetam gnieb .detset A micrometer or sti ,tnelaviuqe elbapac fo gnidaer ot 20,0 mm or ssel dna dedivorp htiw snaem rof gnirusaem eht ssenkciht dna htdiw fo eht tset -iceps 7 Number of test specimens ,snem llahs eb .desu ehT snoisnemid dna epahs fo eht slivna llahs eb elbatius rof eht snemiceps gnieb 7.1 A muminim fo evif tset snemiceps llahs eb derusaem dna llahs ton trexe a ecrof no eht nemiceps detset rof hcae fo eht deriuqer snoitcerid fo gnitset hcus sa ot ylbatceted retla eht noisnemid gnieb dna rof eht seitreporp deredisnoc suludom( fo -itsale .derusaem ,ytic elisnet htgnerts .).cte ehT rebmun fo -erusaem stnem may eb more naht evif fi retaerg noisicerp fo 5.2.2 Flexible materials eht naem eulav si .deriuqer tI si elbissop ot ’etaulave siht yb snaem fo eht ecnedifnoc lavretni 591 % .-borp A ,eguag-laid elbapac fo gnidaer ot 20,0 mm or ssel ,ytiliba ees 0SI .)2062 dna dedivorp htiw a talf ralucric toof hcihw seilppa a erusserp fo 02 kPa f 3 kPa, llahs eb desu rof 2.7 lleb-bmuD snemiceps taht break nihtiw eht gnirusaem eht .ssenkciht sredluohs or eht gnidleiy fo hcihw sdaerps ot eht htdiw fo eht sredluohs llahs eb dedracsid dna rehtruf 6 Test specimens snemiceps llahs eb .detset 3.7 ataD from dedis-lellarap snemiceps erehw jaw 6.1 Shape and dimensions egappils ,srucco or erehw eruliaf srucco nihtiw eeS taht trap fo 0SI 725 tnaveler ot eht lairetam gnieb 01 mm fo rehtie jaw, or erehw na suoivbo tluaf sah .detset detluser ni erutamerp ,eruliaf llahs ton eb dedulcni ni eht .sisylana taepeR stset llahs eb deirrac tuo no wen tset .snemiceps 2.6 Preparation of specimens ,ataD revewoh ,elbairav llahs ton eb dedulcxe from eeS taht trap fo 0SI 725 tnaveler ot eht lairetam gnieb eht sisylana rof yna rehto ,nosaer sa eht ytilibairav ni .detset hcus atad si a noitcnuf fo eht elbairav erutan fo ’eht lairetam gnieb .detset 3.6 Gauge marks NOTE 2 When eht ytirojam fo seruliaf sllaf edistuo eht airetirc rof na elbatpecca ,eruliaf eht atad yam eb desylana fI lacitpo sretemosnetxe era ,desu yllaicepse rof niht ,vllacitsitats tub ti dluohs eb dezingocer taht eht lanif tluser teehs dna ,mlif eguag marks no eht nemiceps era is ylekil ot eb .evitavresnoc nI such ,secnatsni ti is elbareferp yrassecen ot enifed eht eguag .htgnel esehT llahs eb ‘for eht stset ot eb detaeper htiw eht lleb-bmud snemiceps yletamixorppa tnatsidiuqe from eht ,tniopdim dna eht ot ecuder eht ytilibissop fo elbatpeccanu .stluser ecnatsid neewteb eht marks llahs eb derusaem ot na ycarucca fo 1 % or .retteb 8 Conditioning eguaG* marks llahs ton eb ,dehctarcs dehcnup or im- desserp nopu eht tset nemiceps ni yna yaw taht may ehT tset nemiceps llahs eb denoitidnoc sa deificeps damage eht lairetam gnieb .detset tI must eb derusne ni eht etairporppa dradnats rof eht lairetam .denrecnoc taht eht marking medium sah on latnemirted tceffe nI eht ecnesba fo siht ,noitamrofni eht most -orppa 4 IS 13360 ( Part ~/SIX 1 ) : 1996 IS0 527-I:1993 etairp noitidnoc from 0SI 192 llahs eb ,detceles -nu ehT laudiser stress .u ta eht trats fo a tset llahs ton ssel esiwrehto deerga nopu yb eht detseretni .seitrap deecxe eht gniwollof ,eulav rof suludom -erusaem :tnem 9 Procedure idol < 5 x ,E“-ol . . . (1) hcihw sdnopserroc ot a niartserp fo oc G 50,0 ,% dna 9.1 Test atmosphere rof gnirusaem tnaveler sesserts ,0 .g.e 0 = ,,o Mb or tcudnoC eht tset ni eht same erehpsomta desu rof ’BQ gninoitidnoc eht ts.ct ,nemiceps sselnu esiwrehto cro ( a*-ol . . . (2) deerga nopu yb eht detseretni ,seitrap .g.e rof gnitset ta detavele or wol .serutarepmet 5.9 Setting of extensometerk 9.2 Dimensions of test specimen retfA gnicnalab eht ,sessertserp tes dna tsujda a -ilac detarb retemosnetxe ot eht eguag htgnel fo eht tset erusaeM eht htdiw b ot eht tseraen l,0 mm dna eht ,nemiceps or edivorp lanidutignol niarts ,seguag ni ssenkciht h ot eht tseraen 20,0 mm ta eht ertnec fo ecnadrocca htiw .5.1.5 erusaeM eht laitini ecnatsid hcae nemiceps dna nihtiw 5 mm fo hcae dne fo eht eguag( )htgnel fi .yrassecen For eht tnemerusaem fo eguag .htgnel s’nossioP ,oitar owt -noitagnole or gnirusaem-niarts droceR eht muminim dna mumixam seulav rof htdiw secived llahs eb dedivorp ot tca ni eht lanidutignol dna dna ssenkciht fo hcae nemiceps dna make erus taht lamron sexa .ylsuoenatlumis yeht era nihtiw eht secnarelot detacidni ni eht -nats For lacitpo stnemerusaem fo ,noitagnole ecalp eguag drad elbacilppa rof eht nevig .lairetam marks no eht nemiceps ni ecnadrocca htiw .3.6 etaluclaC eht citemhtira snaem rof eht htdiw dna ssenkciht fo hcae ,nemiceps hcihw llahs eb desu rof ehT noitagnole fo eht eerf htgnel fo eht tset -iceps ,nem derusaem from eht tnemevom fo eht ,spirg si noitaluclac .sesoprup desu rof eht seulav fo eht lanimon elisnet niarts &r ees( SETON .)5.4 3 nI eht esac fo dedluom-noitcejni ,snemiceps ti si ton yrassecen ot erusaem eht snoisnemid fo hcae .nemiceps tI 9.6 Testing speed si tneiciffus ot erusaem eno nemiceps from hcae tol ot make erus taht eht snoisnemid dnopserroc ot eht nemiceps teS eht deeps fo gnitset ni ecnadrocca htiw eht -pa epyt detceles ees( eht tnaveler trap fo 0St .)725 With ytivac-elpitlum ,sdluom erusne taht eht snoisnemid fo eht etairporp dradnats rof eht lairetam .denrecnoc nI eht snemiceps era eht same rof hcae .ytivac ecnesba fo siht ,noitamrofni eht deeps fo gnitset dluohs eb deerga neewteb eht detseretni seitrap ni 4 For tset snemiceps stamped from teehs or mlif ,lairetam ecnadrocca htiw elbat .1 ti si elbissimrep ot emussa taht eht naem htdiw fo eht lartnec lellarap noitrop fo eht eid si tnelaviuqe ot eht corre- tI may eb yrassecen or elbarised ot tpoda tnereffid gnidnops htdiw fo eht .nemiceps ehT noitpoda fo hcus a sdeeps rof eht noitanimreted fo eht citsale ,suludom erudecorp dluohs eb desab no evitarapmoc stnelferusaem fo eht niarts/sserts seitreporp pu ot eht dleiy ,tniop nekat ta cidoirep .slavretni dna rof eht tnemerusaem fo elisnet htgnerts dna mumixam .noitagnole For hcae gnitset ,deeps etarepes snemiceps llahs eb .desu 9.3 Clamping For eht tnemerusaem‘ fo eht suludom fo ,yticitsale eht ecalP eht tset nemiceps ni eht ,spirg gnikat erac ot detceles deeps fo gnitset llahs edivorp a niarts etar ngila eht lanidutignol sixa fo eht tset nemiceps htiw sa raen sa elbissop ot 1 % fo eht eguag htgnel rep eht sixa fo eht gnitset .enihcam oT niatbo correct .etunim ehT gnitluser gnitset deeps rof tnereffid sepyt tnemngila nehw gnirtnec snip era desu ni eht ,spirg ti fo snemiceps si nevig ni taht trap fo 0SI 725 tnaveler si yrassecen ot noisnet eht nemiceps ylno ylthgils ot eht lairetal. gnieb .detset erofeb gninethgit eht spirg ees( .)4.9 nethgiT eht spirg ylneve dna ylmrif ot diova egappils fo eht tset -iceps .nem 7.9 Recording of data 9.4 Prestresses droceR eht ecrof dna eht gnidnopserroc seulav fo eht esaercni fo eht eguag htgnel dna fo eht ecnatsid -eb ehT nemiceps llahs ton eb desserts yllaitnatsbus roirp neewt spirg gnirud eht .tset tI si elbareferp ot esu na ot .tset hcuS sesserts nac eb detareneg gnirud -nec citamotua gnidrocer system hcihw sdleiy etelpmoc gnirt fo a fitm ,nemiceps or nac eb desuac yb eht niarts/sserts sevruc rof siht noitarepo ees[ gnipmalc ,erusserp yllaicepse htiw ssel digir .slairetam esualc ,01 snoitauqe ,13( (4) dna .jY5( 5

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