Patent ID: 8992657
Filing Date: 2015-03-31
Classification: B22F,C22C

Abstract:
1. A material for decorative parts comprising a sintered body that includes: a main hard phase composed of a solid solution formed of titanium carbonitride and titanium carbide; a main binder phase composed of nickel; a first additive material composed of at least one selected from the group consisting of molybdenum carbide, niobium carbide, tungsten carbide, and tantalum carbide; a second additive material composed of at least one of chromium and chromium carbide; and a balance being incidental impurities, wherein: a N content in the sintered body is 2.0% to 6.0% by mass, a color tone of the sintered body satisfies the following values of an L*a*b* color system measured with a spectrophotometric colorimeter: a content of nickel serving as the main binder phase is 10% by mass or more and 15% by mass or less, and a content of the first additive material is 8.0% by mass or more and 15.0% by mass or less.