Zirconia/silicon nitride Ceramic rods, ceramic stick 1 Zirconia ... Tem 1000C,HRA>86, 6g/cm3 2.Si3N4 Tem 1200C,HRA>92, 3.2g/cm3 Zirconia/silicon nitride Ceramic ... rods, ceramic stickZirconia/silicon nitride is a major engineering material. ... enhance properties. A wide variety of ceramic processing methods can be applied including machining ...