Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 483-84, Issue -, Pages 333-335Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2006.08.150
Keywords
sandwich structure; low-velocity impact; residual strength; statistical properties
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The paper deals with the effect of constituent materials on impact damage and strength reduction of a sandwich structure, composed of laminated facesheets and Nomex (c) honeycomb core. Low-velocity impact tests were performed and damage was inspected by scanning acoustic microscopy. In addition, static tests were conducted under flexural loading. The damage behavior is characterized through the energy absorbed during impact. The strength reduction is evaluated via a residual strength prediction model. A statistical model is developed to identify the variation of residual strength of the impacted structure. (c) 2007 Elsevier B.V. All rights reserved.
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