Ceramic sintered body for cutting tool

Abstract

Abstract PURPOSE: To enhance the toughness, wear resistance and corrosion resistance of a sintered body without lowering the hardness by dispersion-strengthening the matrix consisting of Al 2 O 3 and TiN with metallic Ti. CONSTITUTION: Metallic Ti is mixed into Al 2 O 3 60W95wt% and TiN as principal components in a TiN to Ti ratio of 1W7. This mixt. is finely pulverized, molded, and sintered to obtain a ceramic sintered body having three-dimensional network structure in which metallic Ti has independently dispersed in fine Al 2 O 3 particles and TiN particles. This body has enhanced toughness, improved breaking and wear resistances, and superior machinability. COPYRIGHT: (C)1980,JPO&Japio

Inventors

• 👤 Yoshihiro Yamamoto
• 👤 Hiroshi Nakamura
• 👤 Hiroshi Tanaka

Bibliographic Details