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Multi-hit armour characterisation of metal-composite bi-layers

Russell, BP and Karthikeyan, K and Deshpande, VS and Fleck, NA (2013) Multi-hit armour characterisation of metal-composite bi-layers. Journal of Mechanics of Materials and Structures, 7. pp. 721-734.

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Abstract

The ballistic performance of equi-mass plates made from (i) stainless steel (SS); (ii) carbon fibre/epoxy (CF) laminate and (iii) a hybrid plate of both materials has been characterised for a spherical steel projectile. The hybrid plate was orientated with steel on the impact face (SSCF) and on the distal face (CFSS). The penetration velocity (V 50) was highest for the SS plate and lowest for the CF plate. A series of double impact tests were performed, with an initial velocity V I and a subsequent velocity V II at the same impact site. An interaction diagram in (V I,V II) space was constructed to delineate penetration from survival under both impacts. The degree of interaction between the two impact events was greater for the CFSS plate than for the SSCF plate, implying that the distal face has the major effect upon the degree of interaction.

Item Type: Article
Uncontrolled Keywords: composite damage ballistic loading, multi-impact bi-layers
Subjects: UNSPECIFIED
Divisions: Div C > Materials Engineering
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 11:21
Last Modified: 06 Oct 2014 01:19
DOI: 10.2140/jomms.2012.7.721

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