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公开(公告)号：WO2018158243A1
公开(公告)日：2018-09-07
申请号：PCT/EP2018/054798
申请日：2018-02-27
Applicant: SANDVIK INTELLECTUAL PROPERTY AB
Inventor： ÅKESSON, Leif , STENBERG, Anders , MADERUD, Carl-Johan , NORGREN, Susanne , FORSSBECK NYROT, Elias
Abstract: The present invention relates to a cutting tool comprising a cemented carbide substrate comprising WC, a metallic binder phase and gamma phase, where the cemented carbide has a well distributed gamma phase and where the cemented carbide have a reduced amount of abnormal WC grains. The cutting tool according to the invention has a more predicted tool life and an increased resistance against plastic deformation.
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Patent Agency Ranking
公开(公告)号：WO2018158245A1
公开(公告)日：2018-09-07
申请号：PCT/EP2018/054800
申请日：2018-02-27
Applicant: SANDVIK INTELLECTUAL PROPERTY AB
Inventor： ÅKESSON, Leif , STENBERG, Anders , MADERUD, Carl-Johan , NORGREN, Susanne , FORSSBECK NYROT, Elias , ÖSTLUND, Åke , ENGQVIST, Jan
Abstract: The present invention relates to a coated cutting tool comprising a cemented carbide substrate comprising WC, a metallic binder phase and gamma phase, where the cemented carbide has a well distributed gamma phase and where the cemented carbide have a reduced amount of abnormal WC grains. Further, the coated cutting tool is provided with a CVD coating comprising a TiCN and an α-Al 2 O 3 layer where said α-Al 2 O 3 layer exhibits a texture coefficient TC(0 0 12)≥7.2 and where in the ratio I(0 0 12)/I(0 1 14)≥1. The coated cutting tool according to the invention has an increased resistance against plastic deformation while maintaining the toughness.
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公开(公告)号：EP3366796A1
公开(公告)日：2018-08-29
申请号：EP17158416.2
申请日：2017-02-28
Applicant: Sandvik Intellectual Property AB
Inventor： ÅKESSON, Leif , STENBERG, Anders , MADERUD, Carl-Johan , NORGREN, Susanne , FORSSBECK NYROT, Elias , ÖSTLUND, Åke , ENGQVIST, Jan
CPC classification number: C22C29/08 , B22F2005/001 , C23C16/36 , C23C16/403 , C23C28/044 , C23C30/005
Abstract: The present invention relates to a coated cutting tool comprising a cemented carbide substrate comprising WC, a metallic binder phase and gamma phase, where the cemented carbide has a well distributed gamma phase and where the cemented carbide have a reduced amount of abnormal WC grains. Further, the coated cutting tool is provided with a CVD coating comprising a TiCN and an α-Al 2 O 3 layer where said α-Al 2 O 3 layer exhibits a texture coefficient TC(0 0 12)≥7.2 and where in the ratio I(0 0 12)/I(0 114)≥1. The coated cutting tool according to the invention has an increased resistance against plastic deformation while maintaining the toughness.
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公开(公告)号：EP3589768A1
公开(公告)日：2020-01-08
申请号：EP18708389.4
申请日：2018-02-27
Applicant: Sandvik Intellectual Property AB
Inventor： ÅKESSON, Leif , STENBERG, Anders , MADERUD, Carl-Johan , NORGREN, Susanne , FORSSBECK NYROT, Elias , ÖSTLUND, Åke , ENGQVIST, Jan
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公开(公告)号：EP3589767A1
公开(公告)日：2020-01-08
申请号：EP18708388.6
申请日：2018-02-27
Applicant: Sandvik Intellectual Property AB
Inventor： ÅKESSON, Leif , STENBERG, Anders , MADERUD, Carl-Johan , NORGREN, Susanne , FORSSBECK NYROT, Elias
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公开(公告)号：EP3366795A1
公开(公告)日：2018-08-29
申请号：EP17158407.1
申请日：2017-02-28
Applicant: Sandvik Intellectual Property AB
Inventor： ÅKESSON, Leif , STENBERG, Anders , MADERUD, Carl-Johan , NORGREN, Susanne , FORSSBECK NYROT, Elias
CPC classification number: C22C29/08 , B22F7/06 , B22F2005/001
Abstract: The present invention relates to a cutting tool comprising a cemented carbide substrate comprising WC, a metallic binder phase and gamma phase, where the cemented carbide has a well distributed gamma phase and where the cemented carbide have a reduced amount of abnormal WC grains. The cutting tool according to the invention has a more predicted tool life and an increased resistance against plastic deformation.
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