1991
DOI: 10.1002/masy.19910410116
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Analysis of fracture behaviour of fibre reinforced polypropylene using R‐curve concept

Abstract: Experimental results for investigation of dynamical crack resistance curves in the instrumented Charpy impact test on polypropylene (PP)/glass fibre composites are presented. For this purpose the multiple specimen R-curve method, stop-block technique is used. With the aid of J-integral versus stable crack growth ( & a ) curves the influence of a special coupler system on crack toughness as resistance against stable crack growth is discussed. It is shown that it is possible to quantify different energy dissipat… Show more

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Cited by 9 publications
(1 citation statement)
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“…Other authors found similar behaviors, but attributed it to the ability of coupling agents to change the matrix nature, which could act as impediment of crack propagation. These authors did not report an increase in the strain at which the maximum stress occurs, but proposed just an increase of matrix ductility by the coupling agent use as the main cause of improvement [ 54 , 55 , 56 ].…”
Section: Mechanical Properties Of Pp/gf/pp Compositesmentioning
confidence: 99%
“…Other authors found similar behaviors, but attributed it to the ability of coupling agents to change the matrix nature, which could act as impediment of crack propagation. These authors did not report an increase in the strain at which the maximum stress occurs, but proposed just an increase of matrix ductility by the coupling agent use as the main cause of improvement [ 54 , 55 , 56 ].…”
Section: Mechanical Properties Of Pp/gf/pp Compositesmentioning
confidence: 99%