... (Si3N4)Key Properties1, High strength over a wide temperature range2, High fracture toughness3, ... that of Alumina)4, Chemical inertness5, Resistance to molten metals6, Lonic electrical conduction7, Wear resistance8, ... and guides for metal tuble forming4, Thread and wire guides5, Hot metal extrusion dies6, Deep well ... exchangers7, Semiconductor process equipment ceramic single-row tapered roller bearings