Dynamic Impact Analysis for Ex Situ Toughened Composite Laminates

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Abstract:

Dynamic impact loading/energy-absorbed response curves of controlled T800/5228A laminates and corresponding “Ex-situ” toughened T800/5228E laminates were contrastively studied. It was concluded that both Hertzian failure loading and the maximum loading were improved by interlaminar toughening, based on the enhancement of Mode II crack strength. T800/5228E laminates presented less damage area than T800/5228A laminates under equivalent impact energy, but consumed more total energy, and further study show that serious external damage on the surface of T800/5228E lamiantes may be responsible for the more impacted energy consumed .

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579-584

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January 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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