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    • 8. 发明授权
    • Surface-coated cutting tool
    • 表面切割工具
    • US07410707B2
    • 2008-08-12
    • US10560400
    • 2004-12-02
    • Haruyo FukuiNaoya Omori
    • Haruyo FukuiNaoya Omori
    • B32B9/00B23B27/14
    • C23C30/005Y10T428/24975
    • The present invention provides a surface-coated cutting tool comprising a coating film on a base, while the coating film comprises a hard layer constituted of a compound selected from a nitride, a carbonitride, an oxynitride and a carboxynitride of at least one primary element selected from a group consisting of the metals belonging to the groups 4a, 5a and 6a of the periodic table as well as B, Al and Si, and the hard layer satisfies the following: (a) (hmax−hf)/hmax is at least 0.2 and not more than 0.7, assuming that hmax represents the maximum indentation depth and hf represents the indentation depth (dent depth) after unloading in a hardness test according to nanoindentation, (b) the thickness of the hard layer is at least 0.5 μm and not more than 15 μm, and (c) the hardness according to nanoindentation is at least 20 GPa and not more than 80 GPa.
    • 本发明提供了一种表面涂覆的切削工具,其包括在基底上的涂膜,而涂膜包括由选自氮化物,碳氮化物,氮氧化物和选择了至少一个主要元素的氮氧化物的化合物构成的硬层 由属于周期表第4a,5a和6a族的金属以及B,Al和Si组成的组,硬层满足以下条件:(a)(hmax-hf)/ hmax至少为 假定hmax表示最大压痕深度,hf表示在根据纳米压痕的硬度试验中卸载后的压痕深度(凹陷深度),(b)硬质层的厚度为至少0.5μm,并且 不超过15μm,(c)根据纳米压痕的硬度为至少20GPa且不大于80GPa。
    • 9. 发明申请
    • Surface-coated cutting tool
    • 表面切割工具
    • US20060154108A1
    • 2006-07-13
    • US10560400
    • 2004-12-02
    • Haruyo FukuiNaoya Omori
    • Haruyo FukuiNaoya Omori
    • B32B9/00
    • C23C30/005Y10T428/24975
    • The present invention provides a surface-coated cutting tool comprising a coating film on a base, while the coating film comprises a hard layer constituted of a compound selected from a nitride, a carbonitride, an oxynitride and a carboxynitride of at least one primary element selected from a group consisting of the metals belonging to the groups 4a, 5a and 6a of the periodic table as well as B, Al and Si, and the hard layer satisfies the following: (a) (hmax−hf)/hmax is at least 0.2 and not more than 0.7, assuming that hmax represents the maximum indentation depth and hf represents the indentation depth (dent depth) after unloading in a hardness test according to nanoindentation, (b) the thickness of the hard layer is at least 0.5 μm and not more than 15 μm, and (c) the hardness according to nanoindentation is at least 20 GPa and not more than 80 GPa.
    • 本发明提供了一种表面涂覆的切削工具,其包括在基底上的涂膜,而涂膜包括由选自氮化物,碳氮化物,氮氧化物和选择了至少一个主要元素的氮氧化物的化合物构成的硬层 由属于周期表第4a,5a和6a族的金属以及B,Al和Si组成的组,硬层满足以下条件:(a)(hmax-hf)/ hmax至少为 假定hmax表示最大压痕深度,hf表示在根据纳米压痕的硬度试验中卸载后的压痕深度(凹陷深度),(b)硬质层的厚度为至少0.5μm,并且 不超过15μm,(c)根据纳米压痕的硬度为至少20GPa且不大于80GPa。