Cemented carbide material for cutting operation
AssigneeLtd. Dijet Industrial Co
InventorYasuyuki Soga
Life of this patent
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Abstract
Cemented carbide material comprising 10 to 60% by weight of tungsten carbide, 5 to 40% by weight of titanium carbide, 5 to 30% by weight of tantalum carbide, 3 to 20% by weight of titanium nitride and 5 to 20% by weight of an iron family metal such as cobalt, nickel or iron. The cemented carbide material may further contain 5 to 20% by weight of molybdenum and/or molybdenum carbide. The material is excellent in heat resistance, wear resistance, hardness and toughness and is adapted for a wide variety of cutting conditions.
Claims11
A cemented carbide material for cutting operations consisting essentially of 10 to 60% by weight of tungsten carbide, 5 to 40% by weight of titanium carbide, 5 to 30% by weight of tantalum carbide, 3 to 20% by weight of titanium nitride and 5 to 20% by weight of an iron family metal selected from the group consisting of cobalt, nickel and iron.
A cemented carbide material for cutting operations consisting essentially of 10 to 60% by weight of tungsten carbide, 5 to 40% by weight of titanium carbide, 5 to 30% by weight of tantalum carbide, 3 to 20% by weight of titanium nitride, 5 to 20% by weight of an iron family metal selected from the group consisting of cobalt, nickel and iron and 5 to 20% by weight of at least one of molybdenum and molybdenum carbide.
A cemented carbide material for cutting operations consisting essentially of 10 to 60% by weight of tungsten carbide, 5 to 40% by weight of titanium carbide, 5 to 30% by weight of tantalum carbide, 3 to 20% by weight of titanium nitride and 10 to 15% by weight of an iron family metal selected from the group consisting of cobalt, nickel and iron.
A cemented carbide material for cutting operations consisting essentially of 10 to 60% by weight of tungsten carbide, 5 to 40% by weight of titanium carbide, 5 to 30% by weight of tantalum carbide, 3 to 20% by weight of titanium nitride, 5 to 20% by weight of an iron family metal selected from the group consisting of cobalt, nickel and iron and 9 to 15% by weight of at least one of molybdenum and molybdenum carbide.
A cemented carbide material for cutting operations consisting essentially of 10 to 60% by weight of tungsten carbide, 12 to 40% by weight of titanium carbide, 5 to 16% by weight of tantalum carbide, 3 to 10% by weight of titanium nitride and 10 to 15% by weight of at least one iron family metal.
A cemented carbide material for cutting operations consisting essentially of 10 to 60% by weight of tungsten carbide, 5 to 40% by weight of titanium carbide, 5 to 30% by weight of tantalum carbide, 3 to 20% by weight of titanium nitride, 10 to 15% by weight of an iron family metal selected from the group consisting of cobalt, nickel and iron and 5 to 20% by weight of at least one of molybdenum and molybdenum carbide.
A cemented carbide material for cutting operations consisting essentially of 10 to 60% by weight of tungsten carbide, 5 to 40% by weight of titanium carbide, 5 to 30% by weight of tantalum carbide, 3 to 20% by weight of titanium nitride, 10 to 15% by weight of an iron family metal selected from the group consisting of cobalt, nickel and iron and 9 to 15% by weight of at least one of molybdenum and molybdenum carbide.
A cemented carbide material for cutting operations consisting essentially of 10 to 60% by weight of tungsten carbide, 12 to 40% by weight of titanium carbide, 5 to 16% by weight of tantalum carbide, 3 to 10% by weight of titanium nitride, 10 to 15% by weight of at least one iron family metal and 9 to 15% by weight of at least one of molybdenum and molybdenum carbide.
Dependencies are inferred from the claim text.