Composites and reinforcements fibres — Carbon fibre reinforced plastics(CFRPs) and metal assemblies — Determination of the tensile lap-shear strength

This document specifies a method for determining the lap-shear strength of the adhesive joint between carbon fibre-reinforced plastics (CFRPs) and metal adherends, using a standard specimen loaded in tension and under specified conditions of preparation, conditioning and testing. This method is intended for assessing the suitability of adhesives to be used for bonding a carbon fibre reinforced plastic (CFRPs) to a metal.

Composites et fibres de renfort — Assemblages de plastiques renforcés de fibres de carbone (CFRP) et de métal — Détermination de la résistance au cisaillement en traction

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Status
Published
Publication Date
19-Jan-2021
Current Stage
6060 - International Standard published
Start Date
20-Jan-2021
Completion Date
20-Jan-2021
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ISO 22841:2021 - Composites and reinforcements fibres -- Carbon fibre reinforced plastics(CFRPs) and metal assemblies -- Determination of the tensile lap-shear strength
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INTERNATIONAL ISO
STANDARD 22841
First edition
2021-01
Composites and reinforcements
fibres — Carbon fibre reinforced
plastics(CFRPs) and metal assemblies
— Determination of the tensile lap-
shear strength
Composites et fibres de renfort — Assemblages de plastiques renforcés
de fibres de carbone (CFRP) et de métal — Détermination de la
résistance au cisaillement en traction
Reference number
ISO 22841:2021(E)
ISO 2021
---------------------- Page: 1 ----------------------
ISO 22841:2021(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2021

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2021 – All rights reserved
---------------------- Page: 2 ----------------------
ISO 22841:2021(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

1 Scope ................................................................................................................................................................................................................................. 1

2  Normative references ...................................................................................................................................................................................... 1

3  Term and definitions ........................................................................................................................................................................................ 1

4 Principle ........................................................................................................................................................................................................................ 1

5 Apparatus ..................................................................................................................................................................................................................... 2

6  Test specimen specification ...................................................................................................................................................................... 2

7 Preparation of test panels .......................................................................................................................................................................... 5

8  Conditioning of test panels ........................................................................................................................................................................ 5

9 Preparation of test specimens ................................................................................................................................................................ 5

10 Procedure..................................................................................................................................................................................................................... 5

11 Precision data .......................................................................................................................................................................................................... 5

12 Calculation and expression of results ............................................................................................................................................. 5

13 Test report ................................................................................................................................................................................................................... 6

Bibliography ................................................................................................................................................................................................................................ 7

© ISO 2021 – All rights reserved iii
---------------------- Page: 3 ----------------------
ISO 22841:2021(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www .iso .org/ patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/

iso/ foreword .html.

This document was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 13,

Composites and reinforcement fibres.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/ members .html.
iv © ISO 2021 – All rights reserved
---------------------- Page: 4 ----------------------
INTERNATIONAL STANDARD ISO 22841:2021(E)
Composites and reinforcements fibres — Carbon fibre
reinforced plastics(CFRPs) and metal assemblies —
Determination of the tensile lap-shear strength

SAFETY STATEMENT — Persons using this document should be familiar with normal laboratory

practice, if applicable. This document does not purport to address all of the safety problems, if

any, associated with its use. It is the responsibility of the user to establish appropriate safety and

health practice. It is recognized that some of the materials permitted in this document have a

negative environmental impact. As technological advances lead to more acceptable alternatives

for such materials, they will be eliminated to the greatest extent possible. At the end of the test,

care should be taken to dispose of all waste in an appropriate manner in accordance.

1 Scope

This document specifies a method for determining the lap-shear strength of the adhesive joint between

carbon fibre-reinforced plastics (CFRPs) and metal adherends, using a standard specimen loaded

in tension and under specified conditions of preparation, conditioning and testing. This method is

intended for assessing the suitability of adhesives to be used for bonding a carbon fibre reinforced

plastic (CFRPs) to a metal.
2  Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

ISO 291, Plastics — Standard atmospheres for conditioning and testing
...

FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 22841
ISO/TC 61/SC 13
Composites and reinforcements
Secretariat: JISC
fibres — Carbon fibre reinforced
Voting begins on:
2020­10­15 plastics(CFRPs) and metal assemblies
— Determination of the tensile lap-
Voting terminates on:
2020­12­10
shear strength
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO­
ISO/FDIS 22841:2020(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN­
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. ISO 2020
---------------------- Page: 1 ----------------------
ISO/FDIS 22841:2020(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2020

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH­1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved
---------------------- Page: 2 ----------------------
ISO/FDIS 22841:2020(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

1 Scope ................................................................................................................................................................................................................................. 1

2  Normative references ...................................................................................................................................................................................... 1

3  Term and definitions ........................................................................................................................................................................................ 1

4 Principle ........................................................................................................................................................................................................................ 1

5 Apparatus ..................................................................................................................................................................................................................... 2

6  Test specimen specification ...................................................................................................................................................................... 2

7 Preparation of test panels .......................................................................................................................................................................... 5

8  Conditioning of test panels ........................................................................................................................................................................ 5

9 Preparation of test specimens ................................................................................................................................................................ 5

10 Procedure..................................................................................................................................................................................................................... 5

11 Precision data .......................................................................................................................................................................................................... 5

12 Calculation and expression of results ............................................................................................................................................. 5

13 Test report ................................................................................................................................................................................................................... 6

Bibliography ................................................................................................................................................................................................................................ 7

© ISO 2020 – All rights reserved iii
---------------------- Page: 3 ----------------------
ISO/FDIS 22841:2020(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non­governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www .iso .org/ patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to

the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see

www .iso .org/ iso/ foreword .html.

This document was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 13,

Composites and reinforcement fibres.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/ members .html.
iv © ISO 2020 – All rights reserved
---------------------- Page: 4 ----------------------
FINAL DRAFT INTERNATIONAL STANDARD  ISO/FDIS 22841:2020(E)
Composites and reinforcements fibres — Carbon fibre
reinforced plastics(CFRPs) and metal assemblies —
Determination of the tensile lap-shear strength

SAFETY STATEMENT — Persons using this document should be familiar with normal laboratory

practice, if applicable. This document does not purport to address all of the safety problems, if

any, associated with its use. It is the responsibility of the user to establish appropriate safety and

health practice. It is recognized that some of the materials permitted in this document have a

negative environmental impact. As technological advances lead to more acceptable alternatives

for such materials, they will be eliminated to the greatest extent possible. At the end of the test,

care should be taken to dispose of all waste in an appropriate manner in accordance.

1 Scope

This document specifies a method for determining the lap-shear strength of the adhesive joint between

carbon fibre-reinforced plastics (CFRPs) and metal adherends, using a standard specimen loaded

in tension and under specified conditions of preparation, conditioning and testing. This method is

intended for assessing the suitability of adhesives to be used for bonding a carbon fibre reinforced

plastic (CFRPs) to a metal.
2  Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only t
...

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