| abstract |
(57) [Summary] [Object] To provide a method for easily manufacturing an extremely hard and high-strength CBN sintered body used as a material for a cutting tool or the like and a laminated structure of a CBN sintered body and a cermet or the like. A mixture of CBN powder and a powder of one or more metals and / or their compounds, or this mixture and the periodic table. IIIa, IVa, Va, VIa group metals or Al and C, N, As shown in FIG. 1, a compound powder of O and B, a powder obtained by mixing an iron group metal powder with the compound powder, and a metal powder SHS / H is used for those that are arranged in multiple layers such as 2, 3, 4, and 5. It is characterized by performing an IP process and sintering it into one body. |