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      A review of low-velocity impact on sandwich structures

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          Abstract

          This contribution is a review of past and current research progress on dynamic response of composites sandwich structures subjected to low-velocity impact. To obtain a comprehensive overview of the current state-of-the-art published works, impact responses on sandwich structures are broadly classified into two main groups, high-velocity and low-velocity impacts, with the focus on low-velocity impact. A summary of some of the commonly used theoretical solutions for low-velocity impact is provided and described in some details. The response of low-velocity impact has been determined based on mass ratio, which is defined as the ratio of the impact mass to effective mass of the structural component. As a result, the response under low-velocity impact was further subdivided into three possible categories, namely, large, small, and medium mass impacts. For each category of impact, currently available suitable solutions are discussed in details. To classify the response of low-velocity impact and also to explore the energy-absorption characteristics as well, the impact duration is identified as the key parameter. The review concludes with detailed discussions on the damage mechanisms and failure criteria for sandwich structures subjected to impact loads.

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          Most cited references103

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          Contact Mechanics

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            The impact resistance of composite materials — a review

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              Review of low-velocity impact properties of composite materials

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                Author and article information

                Journal
                Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications
                Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications
                SAGE Publications
                1464-4207
                2041-3076
                October 2011
                August 25 2011
                October 2011
                : 225
                : 4
                : 207-230
                Affiliations
                [1 ]School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore City, Singapore
                Article
                10.1177/1464420711409985
                051bfc2b-9159-4809-8979-1c221dc1f37e
                © 2011

                http://journals.sagepub.com/page/policies/text-and-data-mining-license

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