Test method for the evaluation of the adhesive properties of fibre reinforced polymer composite joints

This document provides a test method for the determination of the adhesive properties in joints of continuous fibre reinforced polymer matrix composite structures using the Lap Strap specimen.
The evaluation includes the optional concurrent use of the non-destructive technique of the Electrical Resistance Change Method (ERCM) and/or Acoustic Emission (AE) for the monitoring of the debonding of the lap from the strap optionally. The ERCM NDE technique has a limited application only on carbon fibre composites due to the inherent electrical conductivity of the carbon fibres.
This test applies to composites manufactured with continuous carbon fibres (woven or unidirectional) and thermoset or thermoplastic matrices, with quasi-isotropic lamination. This methodology can be used on repairable or self-healing composites in order to estimate the repair or healing efficiency respectively.
Safety aspects about manufacturing and mechanical testing of the composites are excluded.

Prüfverfahren zur Bewertung der Hafteigenschaften von faserverstärkten Polymerverbundverbindungen

Preskusna metoda za ovrednotenje adhezijskih lastnosti kompozitnih spojev iz polimerov, ojačenih z vlakni

Ta dokument podaja preskusno metodo za določanje adhezijskih lastnosti spojev kompozitnih konstrukcij iz polimernih materialov s polimerno matrico, ojačeno z vlakni, z uporabo vzorca preklopnega spoja z jezičkom (Lap Strap).
Vrednotenje vključuje neobvezno sočasno uporabo neporušitvene tehnike metode spreminjanja električnega upora (ERCM) in/ali akustične emisije (AE) za izbirno spremljanje odstopanja jezička s pasnice. Uporaba tehnike neporušitvenega vrednotenja z metodo spreminjanja električnega upora je zaradi svojstvene električne prevodnosti ogljikovih vlaken omejena le na kompozite iz ogljikovih vlaken.
Ta preskus se uporablja za kompozite, izdelane iz kontinuiranih ogljikovih vlaken (tkanih ali enosmernih) in termoreaktivne ali termoplastične matrice s kvazi-izotropnim laminiranjem. Ta metodologija se lahko uporablja za popravljive ali samozdravilne kompozite, da se oceni učinkovitost popravljanja oziroma zdravljenja.
Varnostni vidiki proizvodnje in mehanskega preskušanja kompozitov so izključeni.

General Information

Status
Published
Publication Date
07-Jun-2022
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
08-Jun-2022
Completion Date
08-Jun-2022

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Standards Content (Sample)

SLOVENSKI STANDARD
SIST CWA 17896:2022
01-september-2022
Preskusna metoda za ovrednotenje adhezijskih lastnosti kompozitnih spojev iz
polimerov, ojačenih z vlakni
Test method for the evaluation of the adhesive properties of fibre reinforced polymer
composite joints
Prüfverfahren zur Bewertung der Hafteigenschaften von faserverstärkten
Polymerverbundverbindungen
Ta slovenski standard je istoveten z: CWA 17896:2022
ICS:
83.120 Ojačani polimeri Reinforced plastics
83.180 Lepila Adhesives
SIST CWA 17896:2022 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST CWA 17896:2022

---------------------- Page: 2 ----------------------
SIST CWA 17896:2022


CEN
CWA 17896

WORKSHOP
June 2022

AGREEMENT


ICS 83.120; 83.180
English version


Test method for the evaluation of the adhesive properties
of fibre reinforced polymer composite joints
This CEN Workshop Agreement has been drafted and approved by a Workshop of representatives of interested parties, the
constitution of which is indicated in the foreword of this Workshop Agreement.

The formal process followed by the Workshop in the development of this Workshop Agreement has been endorsed by the
National Members of CEN but neither the National Members of CEN nor the CEN-CENELEC Management Centre can be held
accountable for the technical content of this CEN Workshop Agreement or possible conflicts with standards or legislation.

This CEN Workshop Agreement can in no way be held as being an official standard developed by CEN and its Members.

This CEN Workshop Agreement is publicly available as a reference document from the CEN Members National Standard Bodies.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North
Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.



EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members.


Ref. No.:CWA 17896:2022 E

---------------------- Page: 3 ----------------------
SIST CWA 17896:2022
CWA 17896:2022 (E)
Contents Page
Foreword . 3
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms, definitions, symbols and abbreviated terms . 6
3.1 Terms and definitions . 6
3.2 Symbols and abbreviated terms . 7
4 Significance and Use . 8
5 Lap Strap Geometry . 8
5.1 Sampling . 8
5.2 Laminate Configuration . 8
5.3 Specimen Dimensions . 8
5.4 Specimen preparation . 9
5.4.1 Surface preparation . 9
5.4.2 Joint procedure of the measured bonding area .
...

SLOVENSKI STANDARD
SIST-TP CWA 17896:2022
01-september-2022
Preskusna metoda za ovrednotenje adhezijskih lastnosti kompozitnih spojev iz
polimerov, ojačenih z vlakni
Test method for the evaluation of the adhesive properties of fibre reinforced polymer
composite joints
Prüfverfahren zur Bewertung der Hafteigenschaften von faserverstärkten
Polymerverbundverbindungen
Ta slovenski standard je istoveten z: CWA 17896:2022
ICS:
83.120 Ojačani polimeri Reinforced plastics
83.180 Lepila Adhesives
SIST-TP CWA 17896:2022 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST-TP CWA 17896:2022

---------------------- Page: 2 ----------------------
SIST-TP CWA 17896:2022


CEN
CWA 17896

WORKSHOP
June 2022

AGREEMENT


ICS 83.120; 83.180
English version


Test method for the evaluation of the adhesive properties
of fibre reinforced polymer composite joints
This CEN Workshop Agreement has been drafted and approved by a Workshop of representatives of interested parties, the
constitution of which is indicated in the foreword of this Workshop Agreement.

The formal process followed by the Workshop in the development of this Workshop Agreement has been endorsed by the
National Members of CEN but neither the National Members of CEN nor the CEN-CENELEC Management Centre can be held
accountable for the technical content of this CEN Workshop Agreement or possible conflicts with standards or legislation.

This CEN Workshop Agreement can in no way be held as being an official standard developed by CEN and its Members.

This CEN Workshop Agreement is publicly available as a reference document from the CEN Members National Standard Bodies.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North
Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.



EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members.


Ref. No.:CWA 17896:2022 E

---------------------- Page: 3 ----------------------
SIST-TP CWA 17896:2022
CWA 17896:2022 (E)
Contents Page
Foreword . 3
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms, definitions, symbols and abbreviated terms . 6
3.1 Terms and definitions . 6
3.2 Symbols and abbreviated terms . 7
4 Significance and Use . 8
5 Lap Strap Geometry . 8
5.1 Sampling . 8
5.2 Laminate Configuration . 8
5.3 Specimen Dimensions . 8
5.4 Specimen preparation . 9
5.4.1 Surface preparation . 9
5.4.2 Joint procedure of the measured bonding area .
...

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