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Created page with "{{Language_sel|LANG=ger|ARTIKEL=Peeltest}} {{PSM_Infobox}} Peel test __FORCETOC__ ==General remarks== The T-peel test based on ASTM D 1876 ‘Standard Test Method for Peel Resistance of Adhesives (T-Peel Test)’ and the fixed-arm peel test based on the ESIS TC4 proposed standard ‘Peel Testing of Flexible Laminates’ are available for characterising the peel behaviour of [..."

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{{Language_sel|LANG=ger|ARTIKEL=Peeltest}}
{{PSM_Infobox}}
Peel test
__FORCETOC__

==General remarks==

The [[T-Peel Test|T-peel test]] based on ASTM D 1876 ‘Standard Test Method for Peel Resistance of Adhesives (T-Peel Test)’ and the [[Fixed-arm Peel Test|fixed-arm peel test]] based on the ESIS TC4 proposed standard ‘Peel Testing of Flexible Laminates’ are available for characterising the peel behaviour of [[Plastics|plastic]] or metal films and metal-plastic composites.

==T-peel test==

The aim of the [[T-Peel Test|T-peel test]] shown in '''Fig. 1a''' is to characterise the [[Peel Behaviour – Modelling|peel behaviour]] of films under symmetrical pull-off conditions. A [[Peel Angle|peel angle]] of 90° is achieved. This experiment is a simple and quick method for determining the peel behaviour of corresponding peel test specimens and can therefore also be used for production and quality control.

==Fixed-arm peel test==

The aim of the [[Fixed-arm Peel Test|fixed-arm peel test]] shown in '''Fig. 1b''' is to characterise the [[Peel Behaviour – Modelling|peel behaviour]] of films at defined [[Peel Angle|peel angles]]. To do this, one peel arm of the test [[Specimen|specimen]] is bonded to a narrow brass plate, whereby the adhesive force must be many times greater than the expected [[Peel Force|peel force]]. Once the test specimen has been prepared, the brass plate is mounted in the [[Fixed-arm Peel Test|fixed-arm peel tester]] and the remaining free peel arm is clamped in the clamping device.

The [[Peel Force – Fracture Path Diagramm|peel force–fracture path diagrams]] (peel curves) recorded with the help of the peel tests are evaluated accordingly. The characteristic plateau of the peel curve between 20 % and 80 % of the traverse path is used for the evaluation of the peel force.

A [[Fracture Mechanical Testing|fracture mechanical characterisation]] of the [[Peel Process|peel process]] includes the calculation of the [[Energy Release Rate|energy release rate]] ''G''Ic.

[[File:peeltest.jpg]]
{|
|- valign="top"
|width="50px"|'''Fig. 1''':
|width="600px" |Characterisation of the peel behaviour of films using the T-peel test (a) and the fixed-arm peel test (b)
|}

==See also==

* [[Peel Process|Peel process]]
* [[Peel Properties of Peel Systems|Peel properties of peel systems]]
* [[T-Peel Test|T-Peel test (90°/90°)]]
* [[Fixed-arm Peel Test|Fixed-arm peel test (0°/variable)]]
* [[Peel Angle|Peel angle]]

==References==

* [[Reincke,_Katrin|Reincke, K.]], [[Grellmann,_Wolfgang|Grellmann, W.]]: Approaches to characterise the mechanical properties of films and elastomers. In: Grellmann, W., Langer, B. (Eds.): Deformation and Fracture Behaviour of Polymer Materials. Springer, Berlin (2017) 257–270 (ISBN 978-3-319-41877-3; E-Book: ISBN 978-3-319-41879-7; see [[AMK-Library]] under A 19)
* [[Nase, Michael|Nase, M.]], Rennert, M., Henning, S., Zankel, A., Naumenko, K., [https://www.researchgate.net/profile/Wolfgang-Grellmann Grellmann, W.]: Fracture Mechanics characterisation of peel films. In: [https://de.wikipedia.org/wiki/Wolfgang_Grellmann Grellmann, W.], Langer, B.: Deformation and Fracture Behaviour of Polymer Materials. Springer Series in Materials Science 247, Springer, Berlin Heidelberg (2017) 271–281 (ISBN 978-3-319-41877-3; see [[AMK-Library]] under A 19)
* Nase, M: Zusammenhang zwischen Herstellungsbedingungen, übermolekularer Struktur und Eigenschaften von Peelfolien. Shaker Publishing 2010 (ISBN 978-3-8322-9099-3; see [[AMK-Library]] under B 1-17)
* ESIS-TC4: A Protocol for Determination of the Adhesive Fracture Toughness of Flexible Laminates by Peel Testing: Fixed-Arm and T-peel Methods (2007) [http://www.imperial.ac.uk/media/imperial-college/research-centres-and-groups/adhesion-and-adhesives-group/ESIS-peel-protocol-(June-07)-revised-Nov-2010.pdf PDF-Download]

[[Category:Peel Test]]

Peel Test - Revision history