TY - JOUR
T1 - An experimental analysis of fracture mechanisms of short glass fibre reinforced polyamide 6,6 (SGFR-PA66)
AU - Mouhmid, Bouchaib
AU - Imad, Abdellatif
AU - Benseddiq, Noureddine
AU - Lecompte, David
PY - 2009/12
Y1 - 2009/12
N2 - In the present work, toughness of unfilled polyamide 6,6 (PA66) and short glass fibre reinforced polyamide 6,6 (SGFR-PA66) was investigated. Digital image correlation (DIC) was used with a single camera for in-plane displacement field measurement and then strain computation. The results allowed to extract the resistance curve for the PA66 and critical stress intensity factors, KIc, for the SGFR-PA66 with three glass fibre contents (15%, 30% and 50% (wt)) and under room temperature (20 °C). The tests were carried out on single edge notched tension (SENT) specimens. The DIC technique allowed to precise the spatial distribution of the local strains in a defined region including the crack tip at different steps of the loading. Scanning electron microscopy observations illustrated different damage mechanisms occurring in the studied composites: matrix crack, fibre-matrix interface failure and fibres pull out.
AB - In the present work, toughness of unfilled polyamide 6,6 (PA66) and short glass fibre reinforced polyamide 6,6 (SGFR-PA66) was investigated. Digital image correlation (DIC) was used with a single camera for in-plane displacement field measurement and then strain computation. The results allowed to extract the resistance curve for the PA66 and critical stress intensity factors, KIc, for the SGFR-PA66 with three glass fibre contents (15%, 30% and 50% (wt)) and under room temperature (20 °C). The tests were carried out on single edge notched tension (SENT) specimens. The DIC technique allowed to precise the spatial distribution of the local strains in a defined region including the crack tip at different steps of the loading. Scanning electron microscopy observations illustrated different damage mechanisms occurring in the studied composites: matrix crack, fibre-matrix interface failure and fibres pull out.
KW - A. Glass fibre reinforced composites
KW - B. Toughness
KW - D. Digital image correlation
UR - http://www.scopus.com/inward/record.url?scp=70350066357&partnerID=8YFLogxK
U2 - 10.1016/j.compscitech.2009.07.003
DO - 10.1016/j.compscitech.2009.07.003
M3 - Article
AN - SCOPUS:70350066357
SN - 0266-3538
VL - 69
SP - 2521
EP - 2526
JO - Composites Science and Technology
JF - Composites Science and Technology
IS - 15-16
ER -