The Influence of Alumina-Zircon Fibers on The Mechanical, and Chemical properties of Silica-Based Ceramic Cores (The Influence of Alumina-Zircon Fibers on The Mechanical, and Chemical properties of Silica-Based Ceramic Cores) - Ayat Naghibi -Arqavan Kazemi -Ebrahim Ghasemi - Mona Baghaei | JOURNAL OF CHARACTERIZATION