Modelling of the low-impulse blast behaviour of fibre–metal laminates based on different aluminium alloys

Vo, Thuc, Guan, Zhongwei, Cantwell, Wesley and Schleyer, Graham (2013) Modelling of the low-impulse blast behaviour of fibre–metal laminates based on different aluminium alloys. Composites Part B: Engineering, 44 (1). 141 - 151. ISSN 1359-8368

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A parametric study has been undertaken in order to investigate the influence of the properties of the aluminium alloy on the blast response of fibre–metal laminates (FMLs). The finite element (FE) models have been developed and validated using experimental data from tests on FMLs based on a 2024-O aluminium alloy and a woven glass–fibre/polypropylene composite (GFPP). A vectorized user material subroutine (VUMAT) was employed to define Hashin’s 3D rate-dependant damage constitutive model of the GFPP. Using the validated models, a parametric study has been carried out to investigate the blast resistance of FML panels based on the four aluminium alloys, namely 2024-O, 2024-T3, 6061-T6 and 7075-T6. It has been shown that there is an approximation linear relationship between the dimensionless back face displacement and the dimensionless impulse for all aluminium alloys investigated here. It has also shown that the residual displacement of back surface of the FML panels and the internal debonding are dependent on the yield strength of the aluminium alloy.

Item Type: Article
Uncontrolled Keywords: Glass fibres, mechanical properties, damage mechanics, numerical analysis
Subjects: H200 Civil Engineering
H300 Mechanical Engineering
H400 Aerospace Engineering
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Thuc Vo
Date Deposited: 04 Sep 2013 09:17
Last Modified: 10 May 2017 14:02

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