This study addresses the effect of basalt fibre hybridization on the damage tolerance of carbon/epoxy laminates subjected to laser shock wave tests. Interply hybrid specimens with two different stacking sequences (sandwich-like and intercalated) were tested at different laser intensities and residual post-shock properties of the different configurations have been characterized by quasi-static three point bending tests monitored by acoustic emission. Results indicate that the best compromise in terms of both quasi-static properties (2% reduction in flexural strength compared to all carbon laminates) and damage tolerance appears to be the sandwich-like structure with basalt fibre skins. In particular, this configuration exhibited the highest damage tolerance among the hybrids, with a percent decrease in flexural strength of about 5% compared to 15% in the case of all carbon laminates. Damage induced by laser shock testing in carbon-basalt woven fabric/epoxy composites is mainly inter-ply delamination. This study also highlights the tougher behaviour of basalt plies in response to a sudden application of load compared to carbon layers with a favourable hybridization effect.

Behaviour of woven hybrid basalt-carbon/epoxy composites subjected to laser shock wave testing. Preliminary results / Ferrante, L; Tirillo', Jacopo; Sarasini, Fabrizio; Touchard, F.; Ecault, R.; Vidal Urriza, M. A.; Chocinski Arnault, L.; Mellier, D.. - In: COMPOSITES. PART B, ENGINEERING. - ISSN 1359-8368. - ELETTRONICO. - 78:(2015), pp. 162-173. [10.1016/j.compositesb.2015.03.084]

Behaviour of woven hybrid basalt-carbon/epoxy composites subjected to laser shock wave testing. Preliminary results

TIRILLO', Jacopo;SARASINI, Fabrizio;
2015

Abstract

This study addresses the effect of basalt fibre hybridization on the damage tolerance of carbon/epoxy laminates subjected to laser shock wave tests. Interply hybrid specimens with two different stacking sequences (sandwich-like and intercalated) were tested at different laser intensities and residual post-shock properties of the different configurations have been characterized by quasi-static three point bending tests monitored by acoustic emission. Results indicate that the best compromise in terms of both quasi-static properties (2% reduction in flexural strength compared to all carbon laminates) and damage tolerance appears to be the sandwich-like structure with basalt fibre skins. In particular, this configuration exhibited the highest damage tolerance among the hybrids, with a percent decrease in flexural strength of about 5% compared to 15% in the case of all carbon laminates. Damage induced by laser shock testing in carbon-basalt woven fabric/epoxy composites is mainly inter-ply delamination. This study also highlights the tougher behaviour of basalt plies in response to a sudden application of load compared to carbon layers with a favourable hybridization effect.
2015
polymer-matrix composites (PMCs); basalt fibres; hybrid; mechanical testing; non-destructive testing
01 Pubblicazione su rivista::01a Articolo in rivista
Behaviour of woven hybrid basalt-carbon/epoxy composites subjected to laser shock wave testing. Preliminary results / Ferrante, L; Tirillo', Jacopo; Sarasini, Fabrizio; Touchard, F.; Ecault, R.; Vidal Urriza, M. A.; Chocinski Arnault, L.; Mellier, D.. - In: COMPOSITES. PART B, ENGINEERING. - ISSN 1359-8368. - ELETTRONICO. - 78:(2015), pp. 162-173. [10.1016/j.compositesb.2015.03.084]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/894975
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