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1. 发明公开

EP3513890A1 SURFACE-COATED CUTTING TOOL 有权
公开(公告)号：EP3513890A1
公开(公告)日：2019-07-24
申请号：EP17850841.2
申请日：2017-09-11
申请人： Mitsubishi Materials Corporation
发明人： SATO, Shun , OGAMI, Tsuyoshi , YAMAGUCHI, Kenji
IPC分类号： B23B27/14 , B23B51/00 , B23C5/16 , C23C14/06 , B23F21/10 , B23F21/16
摘要： Provided is a surface-coated cutting tool exhibiting excellent chipping resistance and wear resistance during intermittent cutting work. In the surface-coated cutting tool in which a hard coating layer including a TiAlN layer is provided on a surface of a cutting tool body, in a case where the composition of the TiAlN layer is expressed by a composition formula: (Ti x Al 1-x )N, the TiAlN layer has an average composition satisfying 0.10 ≤ x ≤ 0.35 (here, x is in atomic ratio), and in the TiAlN layer, a high Ti band-like region in which a composition of a Ti component is relatively high compared to an average composition x of the Ti component is present at least in a direction at an angle of 30 degrees or less with respect to a line normal to the surface of the cutting tool body. Preferably, an average composition X of the Ti component in the high Ti band-like region satisfies a relationship of (x + 0.01) ≤ X ≤ (x + 0.05), an average width W of the high Ti band-like region is 30 to 500 nm, and an average area ratio St of the high Ti band-like region is 3 to 50 area%.

2. 发明授权

EP3127637B1 SURFACE-COATED CUTTING TOOL AND PRODUCTION METHOD THEREFOR 有权转让
公开(公告)号：EP3127637B1
公开(公告)日：2019-06-19
申请号：EP15768503.3
申请日：2015-03-26
申请人： Mitsubishi Materials Corporation
发明人： TATSUOKA, Sho , SATO, Kenichi , YAMAGUCHI, Kenji
IPC分类号： C23C28/00 , C23C28/04 , C23C16/34 , C23C16/36 , C23C16/02

3. 发明公开

EP3315232A1 COATED SURFACE CUTTING TOOL 审中-公开
标题翻译：涂层表面切削工具
公开(公告)号：EP3315232A1
公开(公告)日：2018-05-02
申请号：EP16814432.7
申请日：2016-06-23
申请人： Mitsubishi Materials Corporation
发明人： OKUDE, Masaki , YAMAGUCHI, Kenji
IPC分类号： B23B27/14 , C23C16/30 , C23C16/36 , C23C16/40
CPC分类号： C23C16/36 , C23C16/30 , C23C16/32 , C23C16/34 , C23C16/403 , C23C28/044 , C23C28/048 , C23C30/005
摘要： To provide a surface-coated cutting tool that exhibits excellent peeling resistance and chipping resistance under heavy cutting conditions with high-speed, large depth of cut and high feed rate in which a high load is exerted on a cutting edge.
In a surface-coated cutting tool including a tool body that is made of a tungsten carbide-based cemented carbide or a titanium carbonitride-based cermet and a hard coating layer that includes a lower layer and an upper layer and formed on a surface of the tool body, the lower layer is composed of a Ti compound layer including at least a TiCN layer; the upper layer includes an Al 2 O 3 layer having an α-type crystal structure; regarding Al 2 O 3 crystal grains of the upper layer, in a case where a coincidence grain boundary distribution graph is measured, sulfur is segregated in a grain boundary of ∑31 or more and a grain boundary length thereof is 20% to 50% relative to the whole grain boundary length in the constituent atom sharing lattice point form of ∑3 or more; and absolute values of residual stress values of a flank face and a rake face including at least a cutting edge ridge line part of the upper layer are 100 MPa or less.
摘要翻译：本发明提供一种表面被覆切削工具，其在重切削条件下，在切削刃的高速，大切削深度，高切削量的高进给速度下，表现出优异的耐剥离性和耐崩刃性。在包括由碳化钨基超硬合金或碳氮化钛基金属陶瓷制成的工具主体的表面被覆切削工具和形成在所述工具主体的表面上的包括下层和上层的硬涂层工具体，下层由至少包含TiCN层的Ti化合物层构成; 上层包括具有α型晶体结构的Al 2 O 3层; 关于上层的Al 2 O 3晶粒，在测量符合晶界分布图的情况下，硫在晶界中偏析为Σ31以上，晶界长度相对于整体为20％〜50％共享晶格点形式的组成原子的晶界长度为Σ3或更多; 并且至少包括上层的切削刃棱线部的后刀面和前刀面的残余应力值的绝对值为100MPa以下。

4. 发明公开

EP3127637A1 SURFACE-COATED CUTTING TOOL AND PRODUCTION METHOD THEREFOR 有权转让
标题翻译：奥地利维多利亚州立大学
公开(公告)号：EP3127637A1
公开(公告)日：2017-02-08
申请号：EP15768503.3
申请日：2015-03-26
申请人： Mitsubishi Materials Corporation
发明人： TATSUOKA, Sho , SATO, Kenichi , YAMAGUCHI, Kenji
IPC分类号： B23B27/14
CPC分类号： B23C5/16 , B23B2228/10 , B23C2228/10 , C23C16/34 , C23C16/36 , C23C16/45523 , C23C16/4581 , C23C28/042 , C23C28/044 , C23C28/42 , C23C28/44
摘要： A surface-coated cutting tool of the present invention includes: a cutting tool body; and a hard coating layer provided on a surface of the cutting tool body, in which the hard coating layer includes a complex nitride or carbonitride layer, which is expressed by a composition formula: (Ti 1-x Al x )(C y N 1-y ), the average content ratio X av g of Al and the average content ratio Y avg of C in the complex nitride or carbonitride layer satisfy 0.60 ≤ X avg ≤ 0.95 and 0 ≤ Y avg ≤ 0.005, provided that each of X avg and Y avg is in atomic ratio, the complex nitride or carbonitride layer includes crystal grains with a cubic structure, and in the crystal grains with the cubic structure, a composition of Ti and Al is periodically changed in a direction of the normal line to the surface of the cutting tool body.
摘要翻译：本发明的表面涂层切削工具包括：切削工具本体; 以及设置在切削工具主体的表面上的硬涂层，其中硬涂层包括复合氮化物或碳氮化物层，其由组成式（Ti 1-x Al x）（C y N 1）表示 -y），Al的平均含量比X av g和复合氮化物或碳氮化物层中C的平均含量比Y avg满足0.60‰×平均‰‰，0‰¤平均‰0.005，条件是 X avg和Y avg均为原子比，复合氮化物或碳氮化物层包括具有立方结构的晶粒，并且在具有立方结构的晶粒中，Ti和Al的组成在与切削工具主体表面的法线。

5. 发明公开

EP3305446A1 SURFACE-COATED CUTTING TOOL WITH RIGID COATING LAYER EXHIBITING EXCELLENT CHIPPING RESISTANCE 审中-公开
标题翻译：具有刚性涂层的表面涂层切削刀具，表现出优异的切削性能
公开(公告)号：EP3305446A1
公开(公告)日：2018-04-11
申请号：EP16800036.2
申请日：2016-05-25
申请人： Mitsubishi Materials Corporation
发明人： YANAGISAWA, Kousuke , TATSUOKA, Sho , SATO, Kenichi , YAMAGUCHI, Kenji
IPC分类号： B23B27/14 , B23C5/16 , C23C16/36
CPC分类号： B23C5/16 , B23C2224/22 , B23C2228/10 , C23C16/36 , C23C16/45523 , C23C28/044 , C23C28/048 , C23C30/005
摘要： Provided is a coated tool in which a hard coating layer has excellent chipping resistance and fracture resistance during high-speed intermittent cutting work and exhibits excellent wear resistance during long-term use. The hard coating layer includes at least a layer of a complex nitride or complex carbonitride expressed by a composition formula: (Ti 1-x Al x ) (C y N 1-y ), a periodic concentration variation is present in crystal grains of a complex nitride or complex carbonitride having a NaCl type face-centered cubic structure in the layer, a direction of the periodic concentration variation includes at least a direction at an angle of 30 degrees or less with respect to a plane parallel to a surface of a tool body, the layer preferably has a columnar structure, an area ratio of a periodic concentration variation of Ti and Al present is 40% by area or more, a period of the concentration variation is 1 to 10 nm, a difference between an average of local maximums and an average of local minimums of a periodically varying amount x of Al is 0.01 to 0.1, fine crystal grains having a hexagonal structure with an average grain size of 0.01 to 0.3 µm are present at grain boundaries between the crystal grains in a ratio of 5% by area or less.
摘要翻译：本发明提供一种涂布工具，其中硬涂层在高速间歇切割加工期间具有优异的抗碎裂性和抗断裂性，并且在长期使用期间表现出优异的耐磨性。硬涂层至少包括由组成式：（Ti 1-x Al x）（C y N 1-y）表示的复合氮化物或复合碳氮化物层，周期性浓度变化存在于复合氮化物或复合碳氮化物的晶粒中，所述层中的NaCl型面心立方结构，所述周期性浓度变化的方向至少包括相对于与工具主体的表面平行的平面成30°以下的角度的方向，所述层优选具有柱状结构，Ti和Al的周期性浓度变化的面积比率为40面积％以上，浓度变化的周期为1〜10nm，局部最大值的平均值与局部的平均值之差 Al的周期性变化量x的最小值为0.01〜0.1，具有平均晶粒尺寸为0.01〜0.3μm的六方晶系结构的微细晶粒存在于晶格中的晶界间面积在5％以下。

6. 发明公开

EP3213840A1 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：EP3213840A1
公开(公告)日：2017-09-06
申请号：EP15855606.8
申请日：2015-10-27
申请人： Mitsubishi Materials Corporation
发明人： SATO, Kenichi , TATSUOKA, Sho , YAMAGUCHI, Kenji
IPC分类号： B23B27/14 , C23C16/34 , C23C16/36
CPC分类号： C23C16/36 , B23B27/14 , B23B2222/28 , B23B2228/105 , B23B2228/44 , C23C16/34 , C23C28/042 , C23C28/044 , C23C28/42 , C23C30/005
摘要： The hard coating layer includes at least a complex nitride or carbonitride layer (2) expressed by a composition formula: (Ti 1-x-y Al x Me y )(C z N 1-z ), Me being an element selected from Si, Zr, B, V, and Cr. The average content ratio X, the average content ratio Y, and the average content ratio Z satisfy 0.60 avg , 0.005≤y avg ≤0.10, 0≤z avg ≤0.005, and 0.605≤x avg + y avg ≤0.95. There are crystal grains having a cubic structure in the crystal grains constituting the complex nitride or carbonitride layer (2). A predetermined periodic content ratio change of Ti, Al and Me exists in the crystal grains having the cubic structure.
摘要翻译：硬涂层至少包含由组成式：（Ti 1-x-y Al x Me y）（C z N 1-z）表示的复合氮化物或碳氮化物层（2），Me是选自Si，Zr，B，V和铬。平均含有率X，平均含有率Y，平均含有率Z满足0.60

7. 发明公开

EP3150309A1 SURFACE-COATED CUTTING TOOL 有权转让
标题翻译： OBERFLÄCHENBESCHICHTETESSCHNEIDWERKZEUG
公开(公告)号：EP3150309A1
公开(公告)日：2017-04-05
申请号：EP15799293.4
申请日：2015-05-29
申请人： Mitsubishi Materials Corporation
发明人： OKUDE, Masaki , YAMAGUCHI, Kenji
IPC分类号： B23B27/14 , C23C16/36 , C23C16/40
CPC分类号： B23C5/16 , B23B27/14 , C23C16/0272 , C23C16/06 , C23C16/32 , C23C16/34 , C23C16/36 , C23C16/40 , C23C16/403
摘要： A surface-coated cutting tool of the invention is a surface-coated cutting tool in which a hard coating layer that is composed of a lower layer and an upper layer is deposited on a surface of a tool body that is made of a WC-based cemented carbide or a TiCN-based cermet, (a) the lower layer has at least one Ti compound layer made of a TiCN layer, (b) the upper layer is made of an α-type Al 2 O 3 layer, (c) in a case where, regarding Al 2 O 3 crystal grains of the entire upper layer, a constituent atom-sharing lattice point distribution is measured, a highest peak is present in ∑3, and a distribution ratio of ∑3 is 70% or more, and (d) a ratio of a ∑3-coincidence grain boundary continuing from an interface between the lower layer and the upper layer to an outermost surface of the upper layer is 60% or more of a ∑3-coincidence grain boundary of the upper layer. In addition, it is preferable that an outermost surface layer of the lower layer be made of an oxygen-containing TiCN layer, and in a case where an inclined angle frequency distribution is measured regarding the Al 2 O 3 crystal grains of the upper layer, a frequency ratio of the Al 2 O 3 crystal grains in an inclined angle division of 0 to 10 degrees be 70% or greater, and an area ratio of Al 2 O 3 crystal grains of the upper layer that have an aspect ratio of 5 or more be 80% or more.
摘要翻译：本发明的表面涂层切削工具是一种表面涂覆的切削工具，其中由下层和上层组成的硬涂层沉积在由WC基制成的工具主体的表面上硬质合金或TiCN基金属陶瓷，（a）下层具有至少一个由TiCN层制成的Ti化合物层，（b）上层由±型Al 2 O 3层制成，（c）在关于整个上层的Al 2 O 3晶粒的情况下，测量组成原子共享点阵分布，在'3中存在最高峰，'3分配比为70％以上，（d）从上层与上层之间的界面连续的“3重合”晶界与上层的最外表面的比例为“3重合”的60％以上上层晶界。此外，优选的是，下层的最外表面层由含氧的TiCN层制成，并且在对上层的Al 2 O 3晶粒测量倾斜角频率分布的情况下，倾斜角度分割为0〜10度的Al 2 O 3晶粒的频率比为70％以上，上层的Al 2 O 3晶粒的长宽比为5的面积比，多达80％以上。

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