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1. 发明公开

EP2962794A1 SURFACE-COATED CUTTING TOOL 审中-公开
标题翻译：表面涂层切削工具
公开(公告)号：EP2962794A1
公开(公告)日：2016-01-06
申请号：EP14756638.4
申请日：2014-02-26
申请人： Mitsubishi Materials Corporation
发明人： OKUDE Masaki , YAMAGUCHI Kenji , OSADA Akira
IPC分类号： B23B27/14
CPC分类号： B23B27/148 , B23B2224/04 , B23B2224/28 , B23B2224/32 , B23B2224/36 , B23B2228/105 , C23C16/36 , C23C16/403 , C23C16/405 , C23C16/56 , C23C28/04 , C23C28/042 , C23C28/044 , C23C30/00
摘要： The present invention is a surface-coated cutting tool which includes a lower layer including a Ti compound layer, an intermediate layer including an α-Al 2 O 3 layer, and an upper layer including a Zr-containing α-Al 2 O 3 layer, in which an outermost layer of the lower layer contains 0.5 to 3 at% of oxygen, counted frequencies of inclination angles between a normal line to a (0001) plane of Al 2 O 3 grains of the intermediate layer and a normal line to a surface of a tool body have a highest peak in an inclination angle division of 0 to 10°, the ratio of the frequencies therein is 50 to 70%, counted frequencies of inclination angles between the normal line to the (0001) plane of Al 2 O 3 grains of entirety of the intermediate layer and the upper layer and the normal line to the surface of the tool body have a highest peak in an inclination angle division of 0 to 10°, the ratio of the frequencies therein is 75% or more, and insides of crystal grains having a ratio of 70 area% or higher to entirety of the intermediate layer and the upper layer are divided by one or more crystal lattice interfaces of ∑3.
摘要翻译：本发明是一种表面被覆切削工具，其包括含有Ti化合物层的下层，含有α-Al 2 O 3层的中间层和含有含Zr的α-Al 2 O 3层的上层，其中，最外层下层的氧含量为0.5〜3原子％时，中间层的Al 2 O 3晶粒的（0001）面的法线与工具主体的表面的法线之间的倾斜角的计数频率为最高峰在0〜10°的倾斜角度分割中，其中的频率的比例为50〜70％，算出中间层整体的Al 2 O 3晶粒的（0001）面的法线与上层层和刀体表面的法线在倾斜角度分度为0〜10°的范围内具有最高的峰值，其中的频率比率为75％以上，并且具有面积比为70的晶粒进入的百分比或更高中间层和上层的厚度被Σ3的一个或多个晶格界面分开。

2. 发明公开

EP3144085A1 SURFACE COATING CUTTING TOOL 有权转让
标题翻译： OBERFLÄCHENBESCHICHTETESSCHNEIDEWERKZEUG
公开(公告)号：EP3144085A1
公开(公告)日：2017-03-22
申请号：EP15792525.6
申请日：2015-05-14
申请人： Mitsubishi Materials Corporation
发明人： OKUDE Masaki , YAMAGUCHI Kenji
IPC分类号： B23B27/14 , C23C16/30
CPC分类号： B23B27/148 , B23B27/14 , B23B2222/16 , B23B2222/28 , B23B2224/04 , B23B2224/28 , B23B2224/32 , B23B2224/36 , B23B2228/105 , C23C16/30 , C23C28/042 , C23C28/044
摘要： A surface-coated cutting tool of the invention is a surface-coated cutting tool in which a surface of a tool body is coated with a lower layer and an upper layer, in which at least one layer of the lower layer is made of a TiCN layer, the upper layer has an average layer thickness of 2 to 15 µm and is made of an Al 2 O 3 layer having an α-type crystal structure in a chemically deposited state, and in a coincidence grain boundary distribution graph, a highest peak is present in Σ3 in the range of Σ3 to Σ29, a distribution ratio of Σ3 occupies 35 to 70% of the whole coincidence grain boundary length of Σ3 or more, and a coincidence grain boundary of Σ31 or more occupies 25 to 60% of the whole coincidence grain boundary length of Σ3 or more.
摘要翻译：本发明的表面涂层切削工具是表面涂层的切削工具，其中工具主体的表面涂覆有下层和上层，其中至少一层下层由TiCN 层，上层的平均层厚度为2〜15μm，由化学沉积状态的具有±型晶体结构的Al 2 O 3层构成，在重合晶界分布图中，最高峰在3英镑至29英镑的范围内，3英镑的分配比例占3英寸以上的整个巧克力边界长度的35％至70％，并且31英镑或更多的巧克力边界占据 25〜60％的整体巧克力边界长度为3英寸以上。

3. 发明授权

EP3144085B1 SURFACE COATED CUTTING TOOL 有权转让
公开(公告)号：EP3144085B1
公开(公告)日：2020-12-09
申请号：EP15792525.6
申请日：2015-05-14
申请人： Mitsubishi Materials Corporation
发明人： OKUDE Masaki , YAMAGUCHI Kenji
IPC分类号： C23C30/00 , B23B27/14 , C23C16/30 , C23C28/04

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