Patents by Inventor Hideaki Kanaoka
Hideaki Kanaoka has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20170268124Abstract: A surface-coated cutting tool includes a base material and a coating formed on the base material. The coating includes an ?-Al2O3 layer. The ?-Al2O3 layer contains a plurality of ?-Al2O3 crystal grains and a plurality of ?-Al2O3 crystal grains, and has a TC(006) of more than 5 in a texture coefficient TC(hkl). A ratio of C? to a sum of C? and C?: [C?/(C?+C?)×100](%) is 0.05 to 7%, where C? is a total number of peak counts of the ?-Al2O3 crystal grains obtained from measurement data of x-ray diffraction for the coating, and C? is a total number of peak counts of the ?-Al2O3 crystal grains obtained from the measurement data of the x-ray diffraction for the coating.Type: ApplicationFiled: June 21, 2016Publication date: September 21, 2017Applicant: Sumitomo Electric Hardmetal Corp.Inventors: Hideaki Kanaoka, Shinya Imamura, Anongsack Paseuth, Takanori Detani
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Publication number: 20170259345Abstract: A surface-coated cutting tool includes a base material and a coating formed on the base material. The coating includes an ?-Al2O3 layer containing a plurality of ?-Al2O3 crystal grains. The ?-Al2O3 layer includes: a first region made up of an edge ridgeline, a region A of a rake face, and a region B of a flank face; a second region which is a region of the rake face except for the region A and covered with the coating; and a third region which is a region of the flank face except for the region B. The ?-Al2O3 layer satisfies a relation b?a>0.5, where a is an average value of a TC(006) in the first region in texture coefficient TC(hkl) and b is an average value of the TC(006) in the second region or the third region in texture coefficient TC(hkl).Type: ApplicationFiled: October 9, 2015Publication date: September 14, 2017Inventors: Takanori Detani, Shinya Imamura, Hideaki Kanaoka, Anongsack Paseuth
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Publication number: 20170259344Abstract: A surface-coated cutting tool includes a base material and a coating formed on the base material. The coating includes an ?-Al2O3 layer containing a plurality of ?-Al2O3 crystal grains. The ?-Al2O3 layer includes a lower layer portion disposed at a side of the base material, an intermediate portion disposed on the lower layer portion, and an upper layer portion disposed on the intermediate portion. In a crystal orientation mapping performed on a polished cross-sectional surface of the ?-Al2O3 layer using an EBSD, an area ratio of ?-Al2O3 crystal grains with (001) orientation in the lower layer portion is less than 35%, an area ratio of ?-Al2O3 crystal grains with (001) orientation in the intermediate portion is 35% or more, and an area ratio of ?-Al2O3 crystal grains with (001) orientation in the upper layer portion is less than 35%.Type: ApplicationFiled: October 9, 2015Publication date: September 14, 2017Inventors: Takanori Detani, Shinya Imamura, Hideaki Kanaoka, Anongsack Paseuth
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Publication number: 20170209936Abstract: A surface-coated cutting tool includes a base material and a coating formed on the base material. The coating includes an ?-Al2O3 layer. The ?-Al2O3 layer contains ?-Al2O3 crystal grains and sulfur, and has a TC(006) of more than 5 in texture coefficient TC(hkl). The sulfur has a concentration distribution in which a concentration of the sulfur decreases in a direction away from a base-material-side surface of the ?-Al2O3 layer, in a thickness direction of the ?-Al2O3 layer.Type: ApplicationFiled: August 28, 2015Publication date: July 27, 2017Inventors: Hideaki Kanaoka, Shinya Imamura, Anongsack Paseuth, Takanori Detani
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Publication number: 20170204513Abstract: A coating is formed from one layer or two or more layers, at least one of the layers includes a multi-layer structure in which a first unit layer composed of TiN and a second unit layer composed of Ti1-xAlxN are alternately stacked, the first unit layer has an fcc crystal structure, and the second unit layer has an fcc crystal structure, X in Ti1-xAlxN being not smaller than 0.6 and not greater than 0.9.Type: ApplicationFiled: January 20, 2016Publication date: July 20, 2017Inventors: Anongsack Paseuth, Hideaki Kanaoka, Susumu Okuno
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Publication number: 20170191168Abstract: A surface-coated cutting tool according to the present invention includes a coating. The coating includes an ?-Al2O3 layer. Each of the ?-Al2O3 layers on a side of a rake face and a side of a flank face shows (001) orientation. In the ?-Al2O3 layer on the rake face side, a length LR3 of a ?3 crystal grain boundary exceeds 80% of a length LR3-29 of a ?3-29 crystal grain boundary and is not lower than 10% and not higher than 50% of a total length LR of all grain boundaries. In the ?-Al2O3 layer on the flank face side, a length LF3 of a ?3 crystal grain boundary exceeds 80% of a length LF3-29 of a ?3-29 crystal grain boundary and is not lower than 10% and not higher than 50% of a total length LF of all grain boundaries. A ratio LR3/LR3-29 is higher than a ratio LF3/LF3-29.Type: ApplicationFiled: July 13, 2015Publication date: July 6, 2017Inventors: Anongsack Paseuth, Hideaki Kanaoka, Takanori Detani, Shinya Imamura
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Publication number: 20170189967Abstract: A surface-coated cutting tool according to the present invention includes a coating. The coating includes an ?-Al2O3 layer. Each of the ?-Al2O3 layers on a side of a rake face and a side of a flank face shows (001) orientation. In the ?-Al2O3 layer on the rake face side, a length LR3 of a ?3 crystal grain boundary exceeds 80% of a length LR3-29 of a ?3-29 crystal grain boundary and is not lower than 10% and not higher than 50% of a total length LR of all grain boundaries. In the ?-Al2O3 layer on the flank face side, a length LF3 of a ?3 crystal grain boundary exceeds 80% of a length LF3-29 of a ?3-29 crystal grain boundary and is not lower than 10% and not higher than 50% of a total length LF of all grain boundaries. A ratio LR3/LR3-29 is lower than a ratio LF3/LF3-29.Type: ApplicationFiled: July 13, 2015Publication date: July 6, 2017Inventors: Anongsack Paseuth, Hideaki Kanaoka, Takanori Detani, Shinya Imamura
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Publication number: 20170190591Abstract: A surface-coated cutting tool according to the present invention includes a coating. The coating has an ?-Al2O3 layer. The ?-Al2O3 layer includes a lower layer portion and an upper layer portion. When respective crystal orientations of crystal grains of ?-Al2O3 are specified by performing EBSD analyses with an FE-SEM on a cross-section obtained when the ?-Al2O3 layer is cut along a plane including a normal line of a surface of the ?-Al2O3 layer and a color map is prepared based on the crystal orientations, in the color map, an area in the upper layer portion occupied by the crystal grains of which normal direction of a (001) plane is within ±10° with respect to a normal direction of the surface of the ?-Al2O3 layer is equal to or more than 90%, and such an area in the lower layer portion is equal to or less than 50%.Type: ApplicationFiled: August 28, 2015Publication date: July 6, 2017Inventors: Shinya Imamura, Anongsack Paseuth, Takanori Detani, Hideaki Kanaoka
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Publication number: 20170189968Abstract: A surface-coated cutting tool according to the present invention is provided with a base material and a coating formed on the base material, the coating includes an ?-Al2O3 layer, the ?-Al2O3 layer includes a plurality of crystal grains of ?-Al2O3 and shows (001) orientation, a grain boundary of the crystal grains contains a CSL grain boundary and a general grain boundary, and a length of a ?3 crystal grain boundary out of the CSL grain boundary exceeds 80% of a length of a ?3-29 crystal grain boundary and is equal to or more than 10% and equal to or less than 50% of the total length of all grain boundaries which is the sum of the length of the ?3-29 crystal grain boundary and a length of the general grain boundary.Type: ApplicationFiled: July 13, 2015Publication date: July 6, 2017Inventors: Anongsack Paseuth, Hideaki Kanaoka, Takanori Detani, Shinya Imamura
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Publication number: 20170191169Abstract: A coating included in a surface-coated cutting tool according to the present invention has an ?-Al2O3 layer. In a 15-?m square color map of a processed surface in parallel to a surface of the ?-Al2O3 layer, an area A1 occupied by coarse crystal grains A is ?50% and an area A2 in the area A1 occupied by crystal grains having a (001) plane orientation is ?90%, an area B1 occupied by medium-sized crystal grains B of ?-Al2O3 is 20 to 50%, an area B2 in the area B1 occupied by crystal grains having the (001) plane orientation is ?90%, an area C1 occupied by fine crystal grains C of ?-Al2O3 is 10 to 50%, an area C2 in the area C1 occupied by crystal grains having the (001) plane orientation is ?50%.Type: ApplicationFiled: August 28, 2015Publication date: July 6, 2017Inventors: Shinya Imamura, Hideaki Kanaoka, Anongsack Paseuth, Takanori Detani
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Patent number: 9457407Abstract: A surface-coated cutting tool of the present invention includes a base material and a coating formed on the base material, the coating includes one or two or more layers, a layer among these layers that abuts on the base material is a TiN layer, the TiN layer contains at least one element together with TiN, the element has a concentration distribution in a thickness direction of the TiN layer, and the concentration distribution includes a region where the concentration of the element decreases in a direction from the base material toward a surface of the coating.Type: GrantFiled: April 11, 2013Date of Patent: October 4, 2016Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Shinya Imamura, Takahiro Ichikawa, Susumu Okuno, Hideaki Kanaoka, Keiichi Tsuda
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Patent number: 9381575Abstract: A surface-coated cutting tool of the present invention includes a base material and a coating film formed on the base material. The coating film includes at least one TiB2 layer. The TiB2 layer has TC (100) that shows a maximum value in an orientation index TC (hkl), or has a ratio I (100)/I (101) of 1.2 or more between an X-ray diffraction intensity I (100) of a (100) plane and an X-ray diffraction intensity I (101) of a (101) plane.Type: GrantFiled: August 10, 2012Date of Patent: July 5, 2016Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Anongsack Paseuth, Susumu Okuno, Hideaki Kanaoka, Erika Iwai, Takahiro Ichikawa
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Patent number: 9243323Abstract: A surface-coated cutting tool of the present invention includes a base material and a coating film formed on the base material. The coating film includes at least one TiB2 layer. The TiB2 layer includes Cl together with TiB2. This surface-coated cutting tool is characterized in that assuming that in the TiB2 layer, a first region represents a region having a thickness of 0.5 ?m from an interface on the base material side, and a second region represents a region having a thickness of 0.5 ?m from an interface on the coating film surface side, an atomic ratio Cl/(Ti+Cl) between Ti and Cl is higher in the first region than in the second region.Type: GrantFiled: June 27, 2013Date of Patent: January 26, 2016Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Anongsack Paseuth, Keiichi Tsuda, Susumu Okuno, Hideaki Kanaoka, Takahiro Ichikawa, Hiroyuki Morimoto, Minoru Itoh
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Publication number: 20160002772Abstract: Provided is a surface-coated cutting tool having both high wear resistance and high fracture resistance and having an indicator function that significantly facilitates the determination of the usage of a cutting edge. A surface-coated cutting tool according to an embodiment of the present invention includes a substrate and a coating formed on the substrate. The coating includes a plurality of layers. A surface layer of the plurality of layers is a titanium boride layer made of TixBy (where x and y are expressed as atomic percentages and satisfy 1.5<y/x<2.5) and has a compressive residual stress of 0.1 GPa or more in absolute value.Type: ApplicationFiled: January 29, 2014Publication date: January 7, 2016Inventors: Hideaki Kanaoka, Anongsack Paseuth, Susumu Okuno, Takahiro Ichikawa
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Patent number: 9216456Abstract: A surface-coated cutting tool of the present invention includes a base material and a coating film formed on the base material. The coating film includes at least one TiB2 layer. The TiB2 layer includes Cl together with TiB2. This surface-coated cutting tool is characterized in that assuming that in the TiB2 layer, a first region represents a region having a thickness of 0.5 ?m from an interface on the base material side, and a second region represents a region having a thickness of 0.5 ?m from an interface on the coating film surface side, an atomic ratio Cl/(Ti+Cl) between Ti and Cl is higher in the second region than in the first region.Type: GrantFiled: June 27, 2013Date of Patent: December 22, 2015Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Anongsack Paseuth, Keiichi Tsuda, Susumu Okuno, Hideaki Kanaoka, Takahiro Ichikawa, Hiroyuki Morimoto, Minoru Itoh
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Publication number: 20150345013Abstract: A surface coated member having improved stability and a longer service life is provided. The surface coated member includes a base member and a hard coating formed on a surface thereof. The hard coating is constituted of one or more layers. At least one layer among the layers is a layer including hard particles. The hard particles include a multilayer structure having a first unit layer and a second unit layer being layered alternately. The first unit layer includes a first compound. The second unit layer includes a second compound. The first compound and the second compound are respectively made of one or more kind of element selected from the group consisting of a group 4 element, a group 5 element, a group 6 element of a periodic table, and Al, and one or more kind of element selected from the group consisting of B, C, N, and O.Type: ApplicationFiled: November 11, 2013Publication date: December 3, 2015Inventors: Anongsack PASEUTH, Kazuo YAMAGATA, Susumu OKUNO, Hideaki KANAOKA, Hiroyuki MORIMOTO, Minoru ITOH
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Publication number: 20150345012Abstract: A surface coated member having improved stability and a longer service life is provided. The surface coated member of the present invention includes a base member and a hard coating formed on a surface thereof. The hard coating is constituted of one or more layers. At least one of the layers is formed by a CVD method and includes a multilayer structure having a first unit layer and a second unit layer being layered alternately. The first unit layer includes a first compound containing Ti and one or more kind of element selected from the group consisting of B, C, N, and O. The second unit layer includes a second compound containing Al and one or more kind of element selected from the group consisting of B, C, N, and O.Type: ApplicationFiled: November 1, 2013Publication date: December 3, 2015Inventors: Anongsack PASEUTH, Kazuo YAMAGATA, Susumu OKUNO, Hideaki KANAOKA, Hiroyuki MORIMOTO, Minoru ITOH
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Publication number: 20150258611Abstract: A surface-coated cutting tool of the present invention includes a base material and a coating film formed on the base material. The coating film includes at least one TiB2 layer. The TiB2 layer includes Cl together with TiB2. This surface-coated cutting tool is characterized in that assuming that in the TiB2 layer, a first region represents a region having a thickness of 0.5 ?m from an interface on the base material side, and a second region represents a region having a thickness of 0.5 ?m from an interface on the coating film surface side, an atomic ratio Cl/(Ti+Cl) between Ti and Cl is higher in the second region than in the first region.Type: ApplicationFiled: June 27, 2013Publication date: September 17, 2015Inventors: Anongsack Paseuth, Keiichi Tsuda, Susumu Okuno, Hideaki Kanaoka, Takahiro Ichikawa, Hiroyuki Morimoto, Minoru Itoh
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Publication number: 20150252469Abstract: A surface-coated cutting tool of the present invention includes a base material and a coating film formed on the base material. The coating film includes at least one TiB2 layer. The TiB2 layer includes Cl together with TiB2. This surface-coated cutting tool is characterized in that assuming that in the TiB2 layer, a first region represents a region having a thickness of 0.5 ?m from an interface on the base material side, and a second region represents a region having a thickness of 0.5 ?m from an interface on the coating film surface side, an atomic ratio Cl/(Ti+Cl) between Ti and Cl is higher in the first region than in the second region.Type: ApplicationFiled: June 27, 2013Publication date: September 10, 2015Inventors: Anongsack Paseuth, Keiichi Tsuda, Susumu Okuno, Hideaki Kanaoka, Takahiro Ichikawa, Hiroyuki Morimoto, Minoru Itoh
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Patent number: 9044811Abstract: A surface coated cutting tool with a high level of both wear resistance and defect resistance in balance is provided. The surface coated cutting tool of the present invention includes a base material, and a coat film formed on the base material. The coat film includes at least one titanium carbonitride layer. The titanium carbonitride layer has a maximum value for an orientational index TC (220) among texture coefficients TC (hkl). When an indentation hardness of a standard block for hardness is Hs and an indentation hardness of the titanium carbonitride layer is Ht, the average value of the relative hardness Ht/Hs for a plurality of times of measurement is greater than or equal to 3. The difference between the maximum value Htmax/Hs and minimum value Htmin/Hs of the relative hardness of the titanium carbonitride layer to the relative hardness Ht/Hs is less than or equal to 0.5.Type: GrantFiled: July 5, 2011Date of Patent: June 2, 2015Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Anongsack Paseuth, Minoru Itoh, Yoshio Okada, Hideaki Kanaoka, Chie Suzuki