|
Authors
|
Schraa, L.; Rodricks, C.; Kalinka, G.; Roetsch, K.; Scheffler, C.; Sambale, A.; Uhlig, K.; Stommel, M.; Trappe, V.
|
|
Title
|
Characterisation and modelling of the fibre-matrix interface of short fibre reinforced thermoplastics using the push-out technique
|
|
Date
|
15.05.2025
|
|
Number
|
0
|
|
Abstract
|
This study investigates the suitability of the single fibre push-out (SFPO) test for the determination of the interfacial shear strength (IFSS) of injection moulded short fibre reinforced thermoplastics. It includes a detailed description of the required sample preparation steps and the boundary conditions of the SFPO setup. Experimental SFPO tests were carried out on PA66 GF, PPA GF35 and PA6 GF50 materials. Furthermore, a finite element model was set up to simulate the behaviour of these materials during this test. The numerical results showed that the inhomogeneous stress distribution in the fibre-matrix interphase during the test causes the measured apparent IFSS to underestimate the true strength of the interphase. The simulations put the experimental results into perspective and provide valuable information for the further development of the test setup. This study therefore not only provides new insights into the interphase strength of injection moulded short fibre reinforced thermoplastics, but also an insight into local load conditions during testing and thus an indication of the true IFSS.
|
|
Publisher
|
Elsevier
|
|
Wikidata
|
|
|
Citation
|
Composites Part B: Engineering 297 (2025) 112317
|
|
DOI
|
https://doi.org/10.1016/j.compositesb.2025.112317
|
|
Tags
|
|
