Effect of anisotropy on the mechanical properties of polyurethane foams: An experimental and numerical study

The mechanical behaviour of anisotropic, closed-cell PU foams has been studied from the experimental and simulation viewpoints. Anisotropic PU foams with different densities were tested in compression along the rising and the perpendicular directions to determine the mechanical properties (elastic modulus and plateau stress). In addition, the microstructure of the foams (cell size distribution and anisotropy, cell wall thickness, etc.) was...