HIGH-TOUGHNESS TITANIUM CARBONITRIDE-ZIRCONIUM OXIDE-BASED CERAMICS MATERIAL

Title:

HIGH-TOUGHNESS TITANIUM CARBONITRIDE-ZIRCONIUM OXIDE-BASED CERAMICS MATERIAL

Document Type and Number:

Japanese Patent JPH06122554

Kind Code:

A

Abstract:

PURPOSE: To obtain a titanium carbonitride-zirconium oxide-based ceramics material having high density, high strength and high toughness, comprising ZrO2 of tetragonal system stabilized without using a stabilizer such as Y2O3, consequently free from thermal deterioration, usable as a wear-resistant tool and a cutting tool heated to 200°C or higher.

CONSTITUTION: This titanium carbonitride-zirconium oxide-based ceramics material is formed by sintering mixed powder of 90-10wt.% titanium carbonitride having a molar ratio of carbon and nitrogen of 1:9-9:1 and 10-90wt.% ZrO2 of tetragonal system or by blending further the mixed powder as a basic component with 1-10wt.% one or more of titanium and titanium oxide based on the whole amount and sintering the blended powder.

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Inventors:

WATANABE TADAHIKO

Application Number:

JP30034592A

Publication Date:

May 06, 1994

Filing Date:

October 12, 1992

Export Citation:

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