Failure and Damage in Cellular Materials
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This chapter presents the main aspects on failure and damage of cellular materials. Tensile, compression and fracture mechanics properties of plastic foams are presented and the main influence factors are investigated: density, temperature, loading speed and loading direction. Particularly for fracture toughness the mixed mode loading and size effects are discussed. The potential of digital image correlation as a tool to observe the damage of polyurethane foams is also highlighted.
KeywordsFracture Toughness Digital Image Correlation Polyurethane Foam Linear Elastic Fracture Mechanics Carbon Foam
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