Ceramic Inserts Overview Ceramic Inserts for Hard Turning, Turning in Cast Iron Materials, and Turning in High-Temp Alloys • Ceramics offer greater wear resistance and toughness. • Ceramics can be used in high-speed, continuous, and lightly interrupted turning applications in cast iron materials. • Ceramics can be used for high-speed applications in high-temp alloys. Ceramic Turning Grades Alumina-Based Ceramics Silicon-Nitride Based Ceramics Mixed Ceramics Non-Oxide Ceramics AI2O3 + AI2O3 + ZrO2 + Si3N4 + SiC-Whiskers TiC, TiCN Y2O3 CW3020 CW2015 CW5025 Machining INCONEL® Hard Machining Cast Iron Machining CW2015™ CW3020™ CW5025™ • Aluminia and titanium carbo-nitride. • Aluminia + SiC whisker. • Pure silicon-nitride composition. • High hardness and wear resistance. • High hardness and wear resistance. • Used in high-speed turning • TiCN increases strength • Whisker ceramic with elongated applications. and hardness. crystals and very high strength. • Designed for use in grey cast iron • Black in colour. • Grey-green colour. and lower tensile ductile irons. widia.com B167