Journal
COMPOSITES SCIENCE AND TECHNOLOGY
Volume 60, Issue 1, Pages 125-130Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0266-3538(99)00105-0
Keywords
fracture toughness; interface; glass/epoxy-composites; low velocity impact; off axis loading
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In this paper the influence of different fibre surface treatments on some interphase-relevant mechanical properties of glass/epoxy laminates is discussed. The single-fibre push-out test, the transverse tension and bending lest, the interlaminar shear test and the end-notched-flexure (ENF) rest were carried out and correlated with the damage resistance of these materials under non-penetration impact loading. Tt was found that the effect of the fibre/matrix interphase on the damage extension processes under impact loading is a function of the different interphase-relevant fracture modes in unidirectional reinforced laminates. This gives the possibility of predicting the influence of different fibre surface treatments on the impact-damage resistance by using standard tests as the transverse bending test or even the single-fibre push-out lest with less material expense. (C) 2000 Elsevier Science Ltd. All rights reserved.
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