Wear-resistant member

A cutting tool comprising:

• a) a cutting surface made of a sintered ceramic body, said sintered ceramic body essentially consisting of:
• 1) 0.1 to 15% by weight of molybdenum silicide,
• 2) 2 to 20% by weight of a boundary phase material selected from the group consisting of Si--Y--Al--O--N and Si--Y--O--N--B, wherein said molybdenum silicide is in the form of particles which are distinct from said boundary phase, and
• 3) the balance being .beta.-silicon nitride;
• wherein said cutting surface has a cutting side and a second side, said second side being a bonding surface;
• b) a bonding layer formed on said bonding surface of said cutting surface, said bonding layer containing titanium and copper, thereby enabling said cutting surface to be bonded to a metal surface;
• c) a ductile metal layer bonded to said bonding layer, wherein said ductile layer comprises copper;
• and
• d) a holder metal member having a fixing surface to which said cutting surface is fixed through said bonding layer and said ductile metal layer.