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公开(公告)号：WO2021123204A1
公开(公告)日：2021-06-24
申请号：PCT/EP2020/087073
申请日：2020-12-18
Inventor： ARVANITIDIS, Ioannis , BLOMQVIST, Andreas , GARCIA, José-Luis , HOLMSTRÖM, Erik , LILJA, Mirjam
IPC: B22F3/24 , B24B31/03 , C21D1/06 , C22C29/06 , C22C29/08 , C23C30/00 , B22F3/16 , B22F5/00 , C21D7/04 , C21D9/22 , C23C24/04 , C23C26/00 , B22F2003/242 , B22F2005/001 , B22F2998/10 , B22F3/02 , B22F3/15 , B22F9/026 , B22F9/04 , C23C24/045
Abstract: The present invention relates to a method of treating a sintered mining insert comprising cemented carbide wherein said mining insert is subjected to a surface hardening process, characterized in that the surface hardening process is executed at an elevated temperature of or above 100°C. The invention further relates to a mining insert wherein the HV1 Vickers hardness measurement increase (HV1%) from the surface region, measured as an average of HV1 measurements taken at 100 µm, 200 µm and 300 µm below the surface, compared to the HV1 Vickers hardness measured in the bulk (HV1bulk) is at least 8.05 – 0.00350 x HV1bulk.
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公开(公告)号：WO2021228974A1
公开(公告)日：2021-11-18
申请号：PCT/EP2021/062685
申请日：2021-05-12
Applicant: SANDVIK MINING AND CONSTRUCTION TOOLS AB
Inventor： LILJA, Mirjam , GARCIA, José Luis , BLOMQVIST, Andreas , ARVANITIDIS, Ioannis , HOLMSTRÖM, Erik
IPC: B22F3/24 , C22C1/05 , C22C29/08 , E21B10/00 , B24B31/03 , C21D1/06 , C21D9/22 , C22C29/06 , B22F5/00 , B22F3/16
Abstract: A method of redistributing the binder phase of a cemented carbide mining insert comprising a WC hard-phase component, optionally one or more further hard-phase components and a binder comprising the steps of providing a green cemented carbide mining insert; applying at least one binder puller selected from a metal oxide or a metal carbonate to only at least one local area of the 5 surface of the green cemented carbide insert; sintering the green carbide mining insert to form a sintered cemented carbide insert; and subjecting the sintered cemented carbide insert to dry tumbling process executed at an elevated temperature of or above 100°C, preferably at a temperature of or above 200°C, more preferably at a temperature of between 200°C and 450°C.
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公开(公告)号：WO2022136265A1
公开(公告)日：2022-06-30
申请号：PCT/EP2021/086777
申请日：2021-12-20
Applicant: AB SANDVIK COROMANT
Inventor： GARCIA, José, Luis , DAHL, Leif , BRUHN, Johnny , HOLMSTRÖM, Erik
IPC: B22F7/06 , B23K35/30 , B24D3/06 , C04B35/52 , C04B35/5831 , C22C1/05 , C22C5/08 , C22C26/00 , C22C29/06 , C22C29/08 , B22F5/00 , B23K101/00 , B23B27/14 , B23P15/28
Abstract: The present invention relates to a cutting tool comprising a supporting body and a cBN, or PCD, cutting edge tip, wherein the cBN, or PCD, cutting edge tip is attached to the supporting body via a 5-150 µm thick braze joint, the supporting body is of cemented carbide comprising 3-25 wt% of a metallic binder, optionally up to 25 wt% of carbides or carbonitrides of one or more elements of group 4, 5, or 6 in the periodic table of elements, and rest WC, wherein the metallic binder comprises at least 40 wt% Ni, and wherein said braze joint comprises, in the order from the supporting body, a first layer of TiC situated next to the supporting body with an average thickness of 10-400 nm, a second layer, with an average thickness of 0.5-8 µm, comprising in average at least 5 wt% metallic Ni, in average 25-60 wt% metallic Cu and in average 15-45 wt% metallic Ti, and a third layer, with an average thickness of 4-145 µm, comprising metallic Ag and metallic Cu.
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公开(公告)号：WO2022084391A1
公开(公告)日：2022-04-28
申请号：PCT/EP2021/079098
申请日：2021-10-20
Applicant: AB SANDVIK COROMANT
Inventor： HOLMSTRÖM, Erik , OLOFSSON, Ulf
IPC: B60C11/16
Abstract: The present invention relates to a tire stud made of a cemented carbide comprising at least 50 wt% WC and a metal binder in the amount between 3 and 25 wt%. Where the metal binder comprises at least 30 wt% Ni and less than 50 wt% Co. Using tire studs according to the invention leads to less wear of the road surface.
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公开(公告)号：WO2022112162A1
公开(公告)日：2022-06-02
申请号：PCT/EP2021/082474
申请日：2021-11-22
Applicant: AB SANDVIK COROMANT
Inventor： VON FIEANDT, Linus , BRENNING, Raluca , ENGQVIST, Jan , BLOMQVIST, Andreas , HOLMSTRÖM, Erik
Abstract: The present invention relates to a coated cutting tool. The cutting tool is CVD coated and the substrate is a cemented carbide wherein the metallic binder in the cemented carbide comprises Ni. The CVD coating comprises an inner layer of TiN and a subsequent layer of TiCN.
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Patent Agency Ranking
公开(公告)号：WO2021122970A1
公开(公告)日：2021-06-24
申请号：PCT/EP2020/086735
申请日：2020-12-17
Applicant: AB SANDVIK COROMANT
Inventor： BLOMQVIST, Andreas , GARCIA, José, Luis , HOLMSTRÖM, Erik
IPC: B22F3/24 , C22C29/00 , C22C29/06 , C22C29/08 , B24C1/02 , B24C1/10 , B22F3/16 , B22F5/00 , C22C1/05 , B22F2003/166 , B22F2003/248 , B22F2005/001 , B22F2998/10 , C22C1/051
Abstract: The present invention relates to a cutting tool comprising a substrate of cemented carbide, wherein the cemented carbide comprises hard constituents in a metallic binder. The hard constituents comprise WC and the WC content in the cemented carbide is 80-95 wt%. The cemented carbide has a Fe + Ni + Co + Cr content of 3-13 wt% and an atomic ratio of 0.05
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公开(公告)号：WO2022112161A1
公开(公告)日：2022-06-02
申请号：PCT/EP2021/082473
申请日：2021-11-22
Applicant: AB SANDVIK COROMANT
Inventor： VON FIEANDT, Linus , BRENNING, Raluca , ENGQVIST, Jan , BLOMQVIST, Andreas , HOLMSTRÖM, Erik
Abstract: The present invention relates to a coated cutting tool. The cutting tool is CVD coated and the substrate is a cemented carbide wherein the metallic binder in the cemented carbide comprises Ni. The CVD coating comprises an inner layer of TiN and a subsequent layer of TiCN.
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公开(公告)号：WO2021122966A1
公开(公告)日：2021-06-24
申请号：PCT/EP2020/086730
申请日：2020-12-17
Applicant: AB SANDVIK COROMANT
Inventor： BLOMQVIST, Andreas , GARCIA, José, Luis , HOLMSTRÖM, Erik
IPC: B22F3/24 , C22C29/00 , C22C29/06 , C22C29/08 , B24C1/10 , B24C1/02 , B22F3/16 , B22F5/00 , B22F2003/166 , B22F2003/248 , B22F2005/001 , B22F2998/10 , C22C29/005 , C22C29/067
Abstract: The present invention relates to a cutting tool comprising a cemented carbide substrate wherein the cemented carbide consists of hard constituents in a metallic binder. The hard constituents comprise WC and the WC content in the cemented carbide is 80-93 wt%. The cemented carbide comprise Ni and Al, and has a Ni content of 3-13 wt% and a weight ratio of Co / Ni 5000 HV100*N/µm.
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公开(公告)号：WO2021122960A1
公开(公告)日：2021-06-24
申请号：PCT/EP2020/086723
申请日：2020-12-17
Applicant: AB SANDVIK COROMANT
Inventor： BLOMQVIST, Andreas , GARCIA, José, Luis , HOLMSTRÖM, Erik
IPC: B22F3/24 , C22C29/00 , C22C29/06 , C22C29/08 , B24C1/10 , B24C11/00 , B22F3/16 , B22F5/00 , B22F7/08 , B22F2003/166 , B22F2005/001 , B22F2999/00 , C22C29/067
Abstract: The present invention relates to a cutting tool comprising a substrate of cemented carbide, said cemented carbide comprices hard constituents in a metallic binder. The hard constituents comprise WC and the WC content in the cemented carbide is 80-96 wt%. The cemented carbide has Ni content of 2.5-13 wt% and a weight ratio of Fe / Ni 2000 HV100*N/µm.
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公开(公告)号：WO2020002664A1
公开(公告)日：2020-01-02
申请号：PCT/EP2019/067455
申请日：2019-06-28
Applicant: AB SANDVIK COROMANT
Inventor： BLOMQVIST, Andreas , HOLMSTRÖM, Erik , GARCIA, José, Luis
Abstract: The present invention relates to a method of treating a cutting tool (1) comprising a cemented carbide or cermet substrate wherein the cutting tool is subjected to shot peening at a temperature of or above 100°C. The cutting tool typically comprises a rake face (2), a flank face (3) and a cutting edge there between, and said shot peening is performed at least on the rake face of the cutting tool. The present invention also relates to a cutting tool treated with said method.
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