6Th International Materials Symposium, Materiais 2011, Date: 18 April 2011 through 20 April 2011, Location: Guimaraes, Patrocinadores: Portuguese Materials Society- SPM;School of Engineering of the University of Minho;CT2M - Centre for Mechanical and Materials Technologies;Institute for Polymers and Composites/I3N;3B's Res. Group on Biomater., Biodegradables and Biomimetics