0m 0s | 86 view | 3 rating

EA Gold Coast Regional Group is pleased to host a technical presentation on "Hollow Sphere Structures - Novel Lightweight Materials"  Speaker: Prof. Andreas Öchsner, Head of Mechanical Engineering, Griffith School of Engineering, Griffith University, Queensland, Australia Abstract: Nature frequently uses cellular and porous materials for creating load-carrying and weight-optimized structures. Thanks to their cellular design, natural materials such as wood, cork, bones, and honeycombs fulfil structural as well as functional demands. For a long time, the development of artificial cellular materials has been aimed at utilizing the outstanding properties of biological materials in technical applications. As an example, the geometry of honeycombs was converted into aluminium structures, which have been used since the 1960s as cores of lightweight sandwich elements in the aviation and space industries. Nowadays, in particular, foams made of polymeric materials are widely used in all fields of technology. For example, Styrofoam and hard polyurethane foams are widely used as packaging materials. Other typical application areas are the fields of heat and sound absorption. During the last few years, techniques for foaming metals and metal alloys and for manufacturing novel metallic cellular structures have been developed. Owing to their specific properties, these cellular materials have considerable potential for applications in the future. This lecture gives an overview of such metallic cellular materials and introduces basic strategies for their numerical and experimental characterization.