Cutting tool
AssigneeSumitomo Electric Hardmetal Corp.
InventorsHaruyo Fukui, Daiji Tabayashi, Momoko Iida, Taisei Tanaka
Life of this patent
Estimating the term…
Abstract
A cutting tool comprising a base material and a coating disposed on the base material, wherein the coating comprises a first layer, the first layer consists of a MoC1-x layer formed from a compound represented by MoC1-x or a TaC1-y layer formed from a compound represented by TaC1-y, the compound represented by MoC1-x consists of a hexagonal crystal structure, the x is 0.40 or more and 0.60 or less, the compound represented by TaC1-y comprises 95% by mass or more of a hexagonal crystal structure, and the y is 0:40 or more and 0.60 or less.
Claims17
A cutting tool comprising a base material and a coating disposed on the base material, wherein
- the coating comprises a first layer, the first layer being an outermost layer of the cutting tool,
- the first layer consists of a MoC1-x layer formed from a compound represented by MoC1-x or a TaC1-y layer formed from a compound represented by TaC1-y,
- the compound represented by MoC1-x consists of a hexagonal crystal structure,
- the x is 0.40 or more and 0.60 or less,
- the compound represented by TaC1-y comprises 95% by mass or more of a hexagonal crystal structure, and
- the y is 0.40 or more and 0.60 or less.
A cutting tool comprising a base material and a coating disposed on the base material, wherein:
- the coating comprises a first layer,
- the first layer consists of a TaC1-y layer formed from a compound represented by TaC1-y,
- the compound represented by TaC1-y comprises 95% by mass or more of a hexagonal crystal structure, and
- the y is 0.40 or more and 0.60 or less.
Dependencies are inferred from the claim text.