This work reports on a preliminary study to assess the response of fibre metal laminates (FMLs) made of stacked layers of basalt fabric epoxy prepreg and aluminium sheets to low velocity impact and, through comparison with published results for Glare materials, benchmark their impact performance. Comparison is also made with results from plates of monolithic aluminium with comparable thickness. The effect of impactor size is also investigated whilst the impact energies were selected with the aim of inducing first crack (FC) and through the thickness crack (TTT) on the FML samples. Optical microscopy and profilometry were used to elucidate fracture mechanisms and the dent depth. The response of basalt fibre metal laminates was found to be both significantly influenced by the impactor size and fairly positive, proving to be competitive with monolithic aluminium plates although some is-sues about the aluminium/basalt interface have been raised.

Low velocity impact response of basalt-aluminium fibre metal laminates / Ferrante, Luca; Sarasini, Fabrizio; Tirillo', Jacopo; Lampani, Luca; Valente, Teodoro; Gaudenzi, Paolo. - In: MATERIALS & DESIGN. - ISSN 0264-1275. - 98:(2016), pp. 98-107. [10.1016/j.matdes.2016.03.002]

Low velocity impact response of basalt-aluminium fibre metal laminates

FERRANTE, LUCA
;
SARASINI, Fabrizio;TIRILLO', Jacopo;LAMPANI, LUCA;VALENTE, Teodoro;GAUDENZI, Paolo
2016

Abstract

This work reports on a preliminary study to assess the response of fibre metal laminates (FMLs) made of stacked layers of basalt fabric epoxy prepreg and aluminium sheets to low velocity impact and, through comparison with published results for Glare materials, benchmark their impact performance. Comparison is also made with results from plates of monolithic aluminium with comparable thickness. The effect of impactor size is also investigated whilst the impact energies were selected with the aim of inducing first crack (FC) and through the thickness crack (TTT) on the FML samples. Optical microscopy and profilometry were used to elucidate fracture mechanisms and the dent depth. The response of basalt fibre metal laminates was found to be both significantly influenced by the impactor size and fairly positive, proving to be competitive with monolithic aluminium plates although some is-sues about the aluminium/basalt interface have been raised.
2016
basalt fibres; fibre metal laminates; low velocity impact; polymer matrix composites; mechanical engineering; mechanics ofmMaterials; materials science (all)
01 Pubblicazione su rivista::01a Articolo in rivista
Low velocity impact response of basalt-aluminium fibre metal laminates / Ferrante, Luca; Sarasini, Fabrizio; Tirillo', Jacopo; Lampani, Luca; Valente, Teodoro; Gaudenzi, Paolo. - In: MATERIALS & DESIGN. - ISSN 0264-1275. - 98:(2016), pp. 98-107. [10.1016/j.matdes.2016.03.002]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/869766
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