The research activities of Pr. Chevalier are shared between fabrication and testing of modern ceramics useful for biomedical application. His worldwide reknown for experience zirconia-based ceramics and composites. Current responsabilities: Member of the CNU section 28, Member of the administration council of the french society of metals and materials (SF2M) and head of the biomaterials section, Member of the council of the competitiveness pole Viaméca, editor of the European Ceramic Society journal, member of the JECS Trust council, coordinator of the FP7 LONGLIFE european project, WP leader european project FP7 Biobone, member of the management commottee and WG leader of the COST NEWGEN euorpean project.