Preparation of Si <sub>3</sub>N <sub>4</sub> Porous Ceramics via Combined Foam-gelcasting and Catalytic Nitridation with Fe Powder as Catalyst

Lei HAN, Haijun ZHANG, Shaowei ZHANG

China's Refractories . 2020, (3): 1 -6 . DOI: 10.19691/j.cnki.1004-4493.2020.03.001