This proceedings contains a collection of 24 papers from The American Ceramic Society’s 41st  International Conference on Advanced Ceramics and Composites, held in Daytona Beach, Florida, January 22-27, 2017. This issue includes papers presented in the following symposia: •             Symposium 3     14th International Symposium on Solid Oxide Fuel Cells (SOFC) •             Symposium 8     11th International Symposium on Advanced Processing & Manufacturing Technologies for Structural & Multifunctional Materials and Systems •             Symposium 11   Advanced Materials and Innovative Processing ideas for the Production Root Technology •             Symposium 12   Materials for Extreme Environments: Ultrahigh Temperature Ceramics (UHTCs) and Nano-laminated Ternary Carbides and Nitrides (MAX Phases) •             Symposium 13   Advanced Materials for Sustainable Nuclear Fission and Fusion Energy •             Symposium 14   Crystalline Materials for Electrical, Optical and Medical Applications •             Symposium 15   Additive Manufacturing and 3D Printing Technologies •             Focused Session 1  Geopolymers, Chemically Bonded Ceramics, Eco-friendly and Sustainable Materials