Characterization of polymeric foams materials technology. In 20, the global market of polymer foams was about 19. Multiaxial yield behaviour of polymer foams request pdf. These different stress states were reached in a uniaxial universal testing machine using suitable testing configurations which imply the use of. Yield criteria for anisotropic elastoplastic metals eindhoven. A non quadratic yield function for isotropic polymeric foams. Earing predictions based on asymmetric nonquadratic yield function.
Study of these variables and correlation with commercial fe packages is essential for reliable and faster product development. Assessment of multiaxial mechanical response of rigid. Numerical simulation of anisotropic polymeric foams scielo. Multiaxial deformation behavior and failure surface of rigid polyurethane foams were determined using standard experimental facilities. The non quadratic yield function is shown to well characterize the yield behavior of a closed cell polymeric foam in deshpande, v. A nonquadratic yield function for polymeric foams infona. Polymeric foams are now widely used and researched. The industry has weathered the energy crisis in the 70s, ozone issues in the 80s, and recyclereuse in the 90s. Structural modelling of polymeric foams is an intricate task, especially when the cellular material involved presents. Explores the latest developments in polymeric foams since the 1960s polymeric foams have grown into a solid industry that affects almost every aspect of modern life.
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