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公开(公告)号：US20220219244A1
公开(公告)日：2022-07-14
申请号：US17613213
申请日：2020-05-26
Applicant: AB SANDVIK COROMANT
Inventor： Linus VON FIEANDT , Raluca MORJAN BRENNING , Jan ENGQVIST
Abstract: A coated cutting tool is provided. The cutting tool is CVD coated and has a substrate of cemented carbide, wherein a metallic binder in the cemented carbide includes Ni. The CVD coating has an inner layer of TiN and a subsequent layer of TiCN and a layer of Al2O3 located between the TiCN layer and an outermost surface of the coated cutting tool.
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公开(公告)号：US20240227028A1
公开(公告)日：2024-07-11
申请号：US18559073
申请日：2022-05-06
Applicant: AB SANDVIK COROMANT
Inventor： Linus VON FIEANDT , Erik LINDAHL , Katalin BOOR
CPC classification number: B23B27/148 , C23C16/0272 , C23C16/308 , C23C16/34 , C23C16/36 , C23C16/403 , B23B2228/105
Abstract: A coated cutting tool includes a substrate at least partially coated with a coating. The substrate is made of cemented carbide composed of hard constituents in a metallic. The metallic binder includes more than 60 wt % Ni. The coating has two or more layers, wherein the layer adjacent to the substrate is a W(CxN1-x)y layer, wherein 0.6≤x≤0.8 and 1.1≤y≤1.8 with a W(CxN1-x)y layer thickness of 0.4-7 μm.
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公开(公告)号：US20240026500A1
公开(公告)日：2024-01-25
申请号：US18038648
申请日：2021-11-22
Applicant: AB SANDVIK COROMANT
Inventor： Linus VON FIEANDT , Raluca BRENNING , Jan ENGQVIST , Andreas BLOMQVIST , Erik HOLMSTROM
CPC classification number: C22C29/02 , C22C29/005 , C23C16/34 , C23C16/36 , C23C16/403
Abstract: A coated cutting tool has a CVD coated and a substrate of a cemented carbide, wherein the metallic binder in the cemented carbide includes Ni. The CVD coating has an inner layer of TiN and a subsequent layer of TiCN. The C-activity relative to graphite in the metallic binder is lower than 0.15 and an average d electron value of the metallic binder is 7.00-7.43, wherein an interface between the substrate and the inner TiN layer is free of Ti-containing intermetallic phase.
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公开(公告)号：US20240229232A1
公开(公告)日：2024-07-11
申请号：US18559075
申请日：2022-05-06
Applicant: AB SANDVIK COROMANT
Inventor： Linus VON FIEANDT , Katalin BOOR
Abstract: A cutting tool includes a substrate at least partially coated with a 1-25 μm coating. The substrate is of cemented carbide or cermet and the coating includes one or more layers, wherein at least one layer is a W(CxN1-x)y layer, and wherein 0.6≤x≤0.8 and 1.1≤y≤1.8 and with a layer thickness of 1-20 μm.
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公开(公告)号：US20240217001A1
公开(公告)日：2024-07-04
申请号：US18563571
申请日：2022-05-25
Applicant: AB SANDVIK COROMANT
Inventor： Linus VON FIEANDT , Raluca MORJAN BRENNING , Jan ENGQVIST
CPC classification number: B23B27/148 , C23C16/0227 , C23C16/0272 , C23C16/308 , C23C16/34 , C23C16/36 , C23C16/403 , B23B2228/105
Abstract: A cutting tool having a substrate at least partially coated with a coating is provided. The coating includes a α-Al2O3 layer, the α-Al2O3 layer having a portion O1 extending 1 μm from the bonding layer. The portion O1 as measured with Electron Backscatter Diffraction (EBSD) on a cross section of the α-Al2O3 layer, a surface normal of the α-Al2O3 layer being parallel to the surface normal of the substrate surface, exhibits an orientation wherein ≥80% of the analyzed area has a direction within 15 degrees from the surface normal of the α-Al2O3 layer.
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Patent Agency Ranking
公开(公告)号：US20240033829A1
公开(公告)日：2024-02-01
申请号：US18038641
申请日：2021-11-22
Applicant: AB SANDVIK COROMANT
Inventor： Linus VON FIEANDT , Raluca BRENNING , Jan ENGQVIST , Andreas BLOMQVIST , Erik HOLMSTROM
CPC classification number: B23B27/148 , C23C16/34 , C23C16/36 , C23C16/403 , C23C16/0272 , B23B2228/105
Abstract: A coated cutting tool has a CVD coating and a substrate of a cemented carbide, wherein the metallic binder in the cemented carbide includes Ni. The CVD coating has an inner layer of TiN and a subsequent layer of TiCN. A C-activity relative to graphite in the metallic binder is lower than 0.15 and an average d electron value of the metallic binder is 7.00-7.43, wherein an interface between the substrate and the inner TiN layer is free of Ti-containing intermetallic phase.
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公开(公告)号：US20240238875A1
公开(公告)日：2024-07-18
申请号：US18563474
申请日：2022-05-25
Applicant: AB SANDVIK COROMANT
Inventor： Linus VON FIEANDT , Raluca MORJAN BRENNING , Jan ENGQVIST
CPC classification number: B23B27/148 , C23C16/0272 , C23C16/308 , C23C16/34 , C23C16/36 , C23C16/403 , C23C16/56 , B23B2228/105
Abstract: A cutting tool includes a substrate at least partially coated with a coating. The substrate is a cemented carbide, cermet or ceramic. The coating includes a layer of Ti(C,N), a layer of Al2O3 and there between a bonding layer. The Ti(C,N) layer is composed of columnar grains, wherein an average grain size D422 of the Ti(C,N) layer is 25-50 nm, and wherein the Ti(C,N) layer includes a portion B1 that is adjacent to the bonding layer. An average grain size of the Ti(C,N) grains in portion B1 is larger than the average grain size D422 in the whole Ti(C,N) layer. In the portion B1 of Ti(C,N) layer the Ti(C,N) grains has an average grain size of 140-300 nm.
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公开(公告)号：US20240238874A1
公开(公告)日：2024-07-18
申请号：US18563259
申请日：2022-05-25
Applicant: AB SANDVIK COROMANT
Inventor： Linus VON FIEANDT , Raluca MORJAN BRENNING , Jan ENGQVIST
CPC classification number: B23B27/148 , C23C16/36 , C23C16/403 , C23C30/005 , B23B2224/04 , B23B2224/32 , B23B2228/04 , B23B2228/105 , B23B2228/36 , B23B2228/44
Abstract: A cutting tool includes a substrate at least partially coated with a coating, the substrate being a cemented carbide, cermet or ceramic. The coating has a layer of Ti(C,N), a layer of Al2O3 and there between a bonding layer. The Ti(C,N) layer is composed of columnar grains, wherein an average grain size D422 of the Ti(C,N) layer is 25-50 nm, and wherein the Ti(C,N) layer includes a portion B1 that is adjacent to the bonding layer. An average grain size of the Ti(C,N) grains in portion B1 is larger than the average grain size D422 in the whole Ti(C,N) layer. In the portion B1 of Ti(C,N) layer the Ti(C,N) grains has an average grain size of 130-300 nm.
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公开(公告)号：US20240217002A1
公开(公告)日：2024-07-04
申请号：US18563612
申请日：2022-05-25
Applicant: AB SANDVIK COROMANT
Inventor： Linus VON FIEANDT , Raluca MORJAN BRENNING , Jan ENGQVIST
CPC classification number: B23B27/148 , C23C16/36 , C23C16/403 , B23B2224/04 , B23B2224/32 , B23B2228/04 , B23B2228/105 , B23B2228/36 , B23B2228/44
Abstract: A cutting tool including a substrate at least partially coated with a coating is provided. The coating includes a α-Al2O3 layer, wherein the α-Al2O3 layer in a portion O1 of the α-Al2O3 layer within 1 μm from the bonding layer, as measured with EBSD, exhibits Schmid factors calculated for the {0001} slip system with the normal force applied at a 45° angle to the surface normal of the α-Al2O3 layer, wherein the Schmid factor distribution was determined and wherein >90% of the analyzed area had a Schmid factor between 0.4 and 0.5, preferably >97% of the analyzed area had a Schmid factor between 0.4 and 0.5.
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公开(公告)号：US20240207943A1
公开(公告)日：2024-06-27
申请号：US18287374
申请日：2022-04-22
Applicant: AB SANDVIK COROMANT
Inventor： Raluca MORJAN BRENNING , Linus VON FIEANDT , Jan ENGQVIST
IPC: B23B27/14
CPC classification number: B23B27/148 , B23B2224/32 , B23B2228/04 , B23B2228/105 , B23B2228/36
Abstract: A cutting tool for metal cutting includes a substrate at least partially coated with a 3-30 μm coating. The substrate is of cemented carbide, cermet or ceramic. The coating includes one or more layers, wherein at least one layer is a Ti(C,N) layer having a thickness of 3-25 μm. The Ti(C,N) layer is composed of columnar grains with a mean grain size ≥25 nm and ≤35 nm.
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