SURFACE COATED CUTTING TOOL SUPERIOR IN HEAT RESISTANCE AND DEPOSITION RESISTANCE
PROBLEM TO BE SOLVED: To provide a surface coated cutting tool whose hard coating layer exerts excellent heat resistance and deposition resistance in high speed cutting of a hard-to-cut material such as a Ti-alloy, stainless steel and the like. SOLUTION: In the surface coated cutting tool in which t...
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| creator | SHIKADA SHINICHI |
| description | PROBLEM TO BE SOLVED: To provide a surface coated cutting tool whose hard coating layer exerts excellent heat resistance and deposition resistance in high speed cutting of a hard-to-cut material such as a Ti-alloy, stainless steel and the like. SOLUTION: In the surface coated cutting tool in which the hard coating layer is formed on the surface of a tool base body, the hard coating layer is constructed either of a single layer of a composite nitride layer of V and Y satisfying a composition formula: (V1-γYγ)N (where 0.01≤γ≤0.1 in terms of an atomic ratio) or of a double layer structure formed of a lower layer of a composite nitride layer of Ti and Al expressed by a composition formula: (Ti1-αAlα)N or a lower layer of a composite nitride layer of Ti, Al and M expressed by a composition formula: (Ti1-α-βAlαMβ)N (where M is one or more additive components selected from periodic table group 4a, 5a, 6a elements, Si, B, Y excluding Ti, and 0.45≤α≤0.75 and 0.01≤β≤0.25 in terms of the atomic ratio) and an upper layer formed of the (V1-γYγ)N layer. COPYRIGHT: (C)2011,JPO&INPIT |
| format | Patent |
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SOLUTION: In the surface coated cutting tool in which the hard coating layer is formed on the surface of a tool base body, the hard coating layer is constructed either of a single layer of a composite nitride layer of V and Y satisfying a composition formula: (V1-γYγ)N (where 0.01≤γ≤0.1 in terms of an atomic ratio) or of a double layer structure formed of a lower layer of a composite nitride layer of Ti and Al expressed by a composition formula: (Ti1-αAlα)N or a lower layer of a composite nitride layer of Ti, Al and M expressed by a composition formula: (Ti1-α-βAlαMβ)N (where M is one or more additive components selected from periodic table group 4a, 5a, 6a elements, Si, B, Y excluding Ti, and 0.45≤α≤0.75 and 0.01≤β≤0.25 in terms of the atomic ratio) and an upper layer formed of the (V1-γYγ)N layer. 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SOLUTION: In the surface coated cutting tool in which the hard coating layer is formed on the surface of a tool base body, the hard coating layer is constructed either of a single layer of a composite nitride layer of V and Y satisfying a composition formula: (V1-γYγ)N (where 0.01≤γ≤0.1 in terms of an atomic ratio) or of a double layer structure formed of a lower layer of a composite nitride layer of Ti and Al expressed by a composition formula: (Ti1-αAlα)N or a lower layer of a composite nitride layer of Ti, Al and M expressed by a composition formula: (Ti1-α-βAlαMβ)N (where M is one or more additive components selected from periodic table group 4a, 5a, 6a elements, Si, B, Y excluding Ti, and 0.45≤α≤0.75 and 0.01≤β≤0.25 in terms of the atomic ratio) and an upper layer formed of the (V1-γYγ)N layer. 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SOLUTION: In the surface coated cutting tool in which the hard coating layer is formed on the surface of a tool base body, the hard coating layer is constructed either of a single layer of a composite nitride layer of V and Y satisfying a composition formula: (V1-γYγ)N (where 0.01≤γ≤0.1 in terms of an atomic ratio) or of a double layer structure formed of a lower layer of a composite nitride layer of Ti and Al expressed by a composition formula: (Ti1-αAlα)N or a lower layer of a composite nitride layer of Ti, Al and M expressed by a composition formula: (Ti1-α-βAlαMβ)N (where M is one or more additive components selected from periodic table group 4a, 5a, 6a elements, Si, B, Y excluding Ti, and 0.45≤α≤0.75 and 0.01≤β≤0.25 in terms of the atomic ratio) and an upper layer formed of the (V1-γYγ)N layer. COPYRIGHT: (C)2011,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BORING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY MILLING PERFORMING OPERATIONS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING TURNING |
| title | SURFACE COATED CUTTING TOOL SUPERIOR IN HEAT RESISTANCE AND DEPOSITION RESISTANCE |
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