Tiêu chuẩn iso 19095 3 2015

© ISO 2015 Plastics — Evaluation of the adhesion interface performance in plastic metal assemblies — Part 3 Test methods Plastiques — Évaluation des performances de l’interface d’adhérence dans les as[.]

Plastics — Evaluation ofthe adhesion

i © ISO 201 – A ll rights reserved

© ISO 201 , P blshed in Sw itz rlan

A ll rig hts r eserved Unles otherw ise spe ified, nopar of this p blc tion ma y be r epr od c d or utilz d otherw ise in an form

or b an me ns, ele tr onic or me hanic l, inclu in p oto opying , or postin on the internet or an intranet , w ithout prior

written permis ion Permis ion c n be req esed from either ISO at the ad r es below or ISO’s member bod y in the c u try of

F reword i v

Introduction v

1 Sc ope 1

2 Nor mati ve r eferenc es 1

3 Co ditioning 1

4 Co ditions of the specimens 1

5 Test pr oc edure 2

5.1 Tensie s r eng th 2

5.1.1 A ppar atus 2

5.1.2 Spe imens 2

5.1.3 Pr oc d res 2

5.2 Tensie la -shear streng th 3

5.2.1 A ppar atus 3

5.2.2 Tes spe imen 4

5.2.3 Pr oc d re 4

5.2.4 Ex pr es ion of results 4

5.3 Pe l str eng th 4

5.3.1 A ppar atus 4

5.3.2 Tes spe imens 6

5.3.3 Pr oc d re 6

5.3.4 Ex pr es ion of results 6

5.4 Bending s r eng th 6

5.4.1 A ppar atus 6

5.4.2 Tes spe imens 7

5.4.3 Pr oc d re 7

5.4.4 Ex pr es ion of results

7 5.5 Impact tr eng th 7

5.5.1 A ppar atus 7

5.5.2 Tes spe imens 7

5.5.3 Pr oc d re 8

5.5.4 C lculation and ex pr es ion of result 8

5.6 S alng pr ope ties 8

5.6.1 A ppar atus 8

5.6.2 Tes spe imens 8

5.6.3 Pr oc d re 8

5.6.4 Ex pr es ion of results 8

6 Test rep rt 8

6.1 Tensie s r eng th 8

6.2 Tensie la -shear streng th 8

6.3 Pe l str eng th 8

6.4 Bending s r eng th 9

6.5 Impact tr eng th 9

6.6 S alng pr ope ties 9

A nne x A (normative) Spray meth d of se lng proper ties 10

A nne x B (normative) Bel ja meth d of se lng pr oper ties 12

Biblog raphy 15

ISO (he Int ernational Org nization for Stan ardization) is a worldwidefede ation of national s an ards

b dies (ISO membe b dies) The work of pr p ring Int ernational Stan ards is normaly car ied out

through ISO t ech ical committ ees Each membe b dy int er st ed in a subje t for w hich a t ech ical

committ ee has be n es a lshed has the right t o be r pr sent ed on that committ ee Int ernational

org nizations, g ove nmental an non-g ove nmental, in laison with ISO, also take part in the work

ISO cola orat es closely with the Int ernational Ele trot ech ical C mmis ion (IEC) on al matt ers of

ele trot ech ical s an ardization

The proc d r s used t o develo this document an those int en ed for it furthe maint enanc ar

desc ibed in the ISO/IEC Dir ctives, Part 1 In p rticular the dife ent a pro al c it eria ne ded for the

dife ent ty es of ISO document should be not ed This document was draft ed in ac ordanc with the

edit orial rules of the ISO/IEC Dir ctives, Part 2 ( e www.iso.org dir ctives)

A tt ention is drawn t o the p s ibi ity that some of the element of this document ma be the subje t of

p t ent right ISO shal not be held r sponsible for identifying any or al such p t ent right Detais of

any p t ent right identified d ring the develo ment of the document wi be in the Introd ction an / r

on the ISO ls of p t ent de larations r c ived ( e www.iso.org p t ent )

Any trade name used in this document is information given for the convenienc of use s an does not

cons itut e an en orsement

F or an ex lanation on the meaning of ISO spe ific t erms an ex r s ions r lat ed t o conformity

as es ment, as wel as information a out ISO’ s adhe enc t o the WTO principles in the Te h ical

Bar ie s t o Trade (TBT) se the fol owing URL: F or word - Sup lementary information

The committ ee r sp nsible for thisdocument is ISO/TC61, Plas tic s ,Subcommitt ee SC 1 , Produc ts

ISO 1 0 5 consis s ofthe folowing p rt , u de the g ene al title Plas tic s — Ev lu tio o the adhes io

inte fc e pe f rma c e in plas tic-metal as s embles:

— Part 1: Guidelnes fr the a pro ch

— Part 2 : Tes t s pec imens

— Part 3 : Tes t meth ds

— Part 4: Env iro mental c onditio s fr dura i t y

Structur s of het erog eneous mat erials ar being man factur d in the a ut omo ies an ae osp c

in us ry se t ors w he e highe safety margins ar r q ir d

The exis ing t es methods ar not a pro riat e be ause the ev luation of the ad esion pe formanc of

plas ic -metal as embl es is difficult as the p lyme mat erial has a r latively low me hanical s r ngth

an the efor fractur s out ide the joint The efor , it is ne es ary t o develo a methodolo y for the

ev luation of the plas ic -metal int erfac pe formanc

A t es method t o ev luat e ac urat ely the adhesion int erfac pe formanc or s andardization of long

-t erm ev luation un e harsh environment is also ne es ary

The method in ISO 1 0 5 is int en ed t o ensur the int egrity of the int erfac is r alz d through the

int erfac an that rac a i ity of the v lue impro es the data comparison

This p rt of ISO 1 0 5 defines the t es con itions, q oting t es methods r lat ed t o me hanical

pro e ties that can be ev luat ed b the exis ing ISO s an ards an also ad ing othe t es methods that

ar sup osed t o be ne ded

Plastics — Evaluation ofthe adhesion interfac e

Part 3:

SAFETY ST ATEMENT — Per ons using this this part of ISO 1 909 sho ld be fami ia with

normal laboratory practice, if applcable This part of ISO 1 909 does not purport to addres

al of the safety pro lems, if any, as ociated with its use It is the respo sibiity of the use to

establ sh appro riate safety and he lth practices and to ensure compl ance with any re ulatory

co ditio s It is recognized that some of the materials permitted in this part of ISO 1 909 might

have a ne ative enviro mental impact As technological advances le d to more ac eptable

alternatives for such materials, they wil be el minated to the gre test extent p s ible A t the end

of the test, care sho ld be taken to dispose of al waste in an ap ro riate manne in ac ordance

with local re ulatio s

This p rt of ISO 1 0 5 spe ifies the t es methods for the adhesion int erfac pe formanc in plas ic

-metal as embles

2 Normati ve r eferences

The folowing document , in w hole or in p rt, ar normatively r fe enc d in this document an ar

in ispensa le for it a pl cation F or dat ed r fe enc s, only the edition cit ed a pl es F or u dat ed

r fe enc s, the lat es edition of the r fe enc d document ( inclu ing any amen ment )a pl es

ISO 8 5 , Plas tic s — Dete min tio o tens ile -imp c t s tr n th

ISO 141 5, Fibre -r in orc ed plas tic c omp s ites — Dete min tio o flex ural pro erties

ISO 1 0 5-1, Plas tic s — Ev lu tion o the adhes io inte fc e pe frma c e in plas tic-metal as sembles —

Part 1: Guidelnes fr the a pro ch

ISO 1 09 - 2:2 1 , Plas tic s — Ev lu tio o the adhes io inte f c e pe frma c e in plas tic-metal

as s embles — Part 2 : Tes t s pec imens

IEC 6 0 8- 2-1 , B as ic env iro mental tes tin proc edur s — Part 2-17: Tes ts — Tes t Q: Sealn

S e ISO 1 0 5-1

4 Conditions of the specimens

The spe imens shal be fr e from twis an shal ha e mutualy pe pen icular pairs of p ralel surfac s

The surfac s an edg es shal be fr e from sc at ches, pit , sink marks, an flashes The spe imens shal

be che ked for conformity with these r q ir ment b visual o se v tion a ains s raight-edg es,

sq ar s, an flat plat es an b measuring with mic ometr cal ipe s Spe imens showing measura le

or o se v ble dep rtur from one or mor of these r q ir ment shal be r je t ed or machined t o the

r q ir d siz an sha e befor t es ing

5 Test pr oc edur e

5.1 Tensi e streng th

5.1.1 A pparatus

Tensi e t es machine should be sele t ed so that the ruptur of the spe imen fal s betwe n 1 % an

8 % of the ful-scale ca acity The r sp nse time of the machine shal be short enough so as t o ena le

the for e a pl ed at the time of ruptur t o be measur d ac urat ely The r corded for e shal not dife

from the true a pled for e b mor than 1 % The machine shal be ca a le of maintaining the cons ant

spe ds at 1 mm/min ( e 5.1.3.2, 5.2.3.2, an 5.3.3) A machine w hich alow s a cons ant rat e of lo d

a plcation ma be used In this case, the machine shal be ca a le of maintaining a rat e of lo ding of

8,3 MPa min t o 9,7 MPa/ min The machine shal be pro ided with a suita le pair of self-algning grips

t o hold the spe imen Thegrips an at achment shal be cons ruct ed so that they mo e int o algnment

with the spe imen as so n as the lo d is a pled so that the long a is of the spe imen wi l coincide with

the dir ction of the a pled for e through the c nt erlne of the grip as embly

5.1.2 Specimens

S e ISO 1 0 5- 2:2 1 , 4.1

5.1.3 Proc edures

5.1.3.1 Test atmospher e

Con uct the t es in the same atmosphe e used for con itioning the t es spe imen, u les othe wise

a r ed upon b the int er st ed p rties, for ex mple, for t es ing at elev t ed or low t empe atur s

5.1.3.2 Test spe d and set up specimens

Cros head spe d is 1 mm/min, u les othe wise not ed Dis anc betwe n the grips shal be 5 mm

an the dis anc a o e and below the joint surfac shal be 2 mm

NOTE As a result of tests at several diferent c os he d spe ds from 0,5 mm/min t o 5 mm/min, tensile

strength do s not depen on the c os he d spe d, however, 1 mm/min is the most suita le in order t o in ibit

the varia ility of data

5.1.3.3 Ex pres io of results

In t es r p rt, br aking s r s is ex r s ed as the a e ag e v lue in MPa a out v ld spe imens Tensi e

s r ngth (MPa) is calculat ed b dividing br aking lo d (N) b joint ar a (mm

5.2 Tensi e lap-shear streng th

5.2.1 A pparatus

5.2.1.1 Tensie testing machine

S e 5.1.1

5.2.1.2 Specimen r etainer

One ex mple of spe imen r taine is shown in Figur 1 This r taine shal be fix ed in such a wa that

the f ixtur at ached t o the t es a p ratus an the lo d lne at grips on the spe imen l e on a s raight

Key

1 specimen

2 retainer

3 b lt or fix tion

4 con ecting pin

5 the fix tur e attached to the test ap aratus

6 cover of r etainer

7 b se of r etainer

Figure 1 — One example of specimen retainer

The co e (key 6) an the b se (key 7) of the spe imen r taine w hich ar b lt ed t og ethe t o grip the

metal portion of the spe imen t o be t est ed shal ha e a g p within 0,1 mm larg er than the spe imen

along b th the width an length of the metal p rtion of the spe imen t o keep any friction from tainting

the t es r sult

Howeve , the part of the spe imen r taine w hich grips the plas ic part of the spe imen t o be t est ed

shal ha e a g p les than 0,1 mm along b th the width an length of the plas ic

NOTE When car ying out a tensile test holding b th edg of the specimen, lap-she r strength could not b

me sured precisely b cause the resin part bre ks f ir t if the joint strength is to gre t If using the retainer, it is

pos ible to p t she r stres arou d the joint interface directly

5.2.2 Test specimen

S e ISO 1 0 5- 2:2 1 , 4.2

5.2.3 Proc edure

5.2.3.1 General

As shown, plac the t es spe imen in the t es r taine , taking car t o algn the planes of lo ding in

Figur 1, an r cord the ma imum lo d befor br aking b the t es machine

5.2.3.2 Test spe d and width of g rips of metal part

Cros head spe d is 1 mm/min unles othe wise not ed W idth of grip ing of metal part shal be les

than 1 mm from the t op of the metal spe imen

NOTE As a result of tests at several diferent c os he d spe ds from 1 mm/min to 5 mm/min, tensile

strength do s not depen on the c os he d spe d, however, 1 mm/min is the most suita le in order t o make test

time shorter an in ibit the varia ility of data

5.2.4 Ex pres io of results

In t es r p rt, br aking lo d is ex r s ed as N or br aking s r s is ex r s ed as the a e ag e v lue in

MPa a out v ld spe imens Shear s r s (MPa) iscalculat ed b dividing br aking lo d (N) b joint ar a

5.3.1.2 Test fix ture

Pe l t es f ixtur is shown in Figur 2 The fixtur shal be at ached t o one of the c os -arms of the

t es ing machine (5.1) The 2 mm role s on the t es f ixtur shal rol fr ely The angle det ermined b the

role s an the use of d al bearingsar c itical an the role s shal the efor be car fuly maintained

Dimensions in milimetr es

5.3.2 Test specimens

S e ISO 1 0 5- 2:2 1 , 4.3

5.3.3 Proc edure

Inse t the t es spe imen int o the pe l f ixtur , with the u b un ed en of the flexibleadhe en grip ed

in the fr e jaw of the t es ing machine Pe l the spe imen at a cons ant c os head sep ration rat e of

1 0 mm/min ±5 mm/min, unles othe wise spe ified

During the pe l t es , make an aut ogra hic r cording of for e ve sus c os head mo ement ( i.e for e

ve sus dis anc pe led) o e a length of at leas 1 5 mm of the b n l ne, disr g rding the firs 2 mm

of pe l

5.3.4 Ex pres io of results

Det ermine from the aut ogra hic curve, for at leas 1 5 mm of pe lng (disr g rding the firs 2 mm an

the las 2 mm), the a e ag e pe l ng for e, in ki onewt ons pe metr of t es spe imen width, r q ir d

t o sep rat e the ad e en s This a e ag e for e can be det ermined from the curve b one of the methods

5.4.1.2 L ading and holdin ap aratus

Plac sup orting p int (fulc um p int)and c ntr pr s ing p int in the wa shown in Figur 3 The a is

of pr s ing p int and sup orting p int shal be p ralel

Dimensions in milimetr es

Key

1 specimen

Figure 3 — F our-point loading ar ang ement

5.4.3.2 Test spe d and w idth of g r ips of metal part

Cros head spe d is 1 mm/ min, u les othe wise not ed

NOTE As a result of tests at several diferent c os he d spe ds from 0,5 mm/min to 5 mm/min, t ensile

strength do s not depen on the c os he d spe d, however, 1 mm/min is the most suita le in order to in ibit the

varia ility of data

5.4.4 Ex pr es ion of r esults

In t es r p rt, br aking s r s is ex r s ed as the a e ag e v lue in MPa a out v ld spe imens Flexural

s r s (MPa) is given b F ormula (3)

σ

ff

L is thespan (dis anc betwe n the sup ort )(mm);

b is thewidth of the spe imen (mm);

h is thethicknes of the spe imen (mm)

NOTE Precise strength is not me sured when me suring in the way writ en in ISO 179-1 b cause the

specimen bre ks at the resin part Varia ility of impact strength b comes wide, depen ing on the way of

not ching

5.5.2 Test specimens

Use ISO 1 0 5- 2:2 1 , 4.1

a) ac uracy of t es machine an elong tion met er;

b) ex r s ion of elong tion, s rain an length of g ug e, L ;

c) sha e of clamping t ool an dis anc between clamps, L;

b) a e ag e, ma imum, an minimum pe l r sis anc of each t es spe imen;

c) lo d displac ment curve

Smal siz v cu m b x, named as the suction cup, is sealed with the t es spe imen using rub e p cking

The inside of the suction cupshal be kept in v cu m t o alow the helum leak det ect or t o be o e at ed

A 2.2 Preparation

The pr p ration of leak t es ing is in ac ordanc with the folowing

a) Ar ang e suction cup, calbration leak, v cu m exhaus sy st em, helum leak det ect or, ho d for

enclosing helum g s, an helum g s S le t the ne es ary v cu m exhaus sy st em ac ording t o the

v lume of the suction cup t o be ev cuat ed and the desir d pr s ur

b) Pe form the pr -tr atment of the t es spe imen In this case, r mo e the mat erials at aching t o the

surfac that is lkely t o influenc the leak det ection such as gr ase, oi , fat, and paint

c) A ttach the calbration leak dir ctly t o the suction cup, or t o the p sition as close as pos ible t o the

suction cup ( he p sition mos dis ant from the helum leak det ect or)

The measur ment of leakag e shal be car ied out in ac ordanc with the fol owing

a) Ex mple of comp sition of the t es spe imen, the suction cup, the calbration leak, the ho d, the

auxi iary exhaus sy st em, and thehelum leak det ect or ar shown in Figur A.1

b) A ttach the suction cup t o the o je t an ev cuat e the insideof cup

c) Spra helum g s t o introd c helum t o the ho d co e ing the t es spe imen as shown in Figur A.1

aft er exhaus ing the inside of the suction cup