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公开(公告)号：US10570501B2
公开(公告)日：2020-02-25
申请号：US15610110
申请日：2017-05-31
Applicant: Kennametal Inc.
Inventor： Vineet Kumar , Ronald Penich , Chen Chen , Zhenyu Liu , Nicholas F. Waggle, Jr.
Abstract: In one aspect, coatings are described herein employing composite architectures providing high aluminum content and high hardness for various cutting applications. For example, a coated cutting tool comprises a substrate and a coating comprising a refractory layer deposited by physical vapor deposition adhered to the substrate, the refractory layer comprising a plurality of sublayer groups, a sublayer group comprising a titanium aluminum nitride sublayer and an adjacent composite sublayer comprising alternating nanolayers of titanium silicon nitride and titanium aluminum nitride.
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公开(公告)号：US10202686B2
公开(公告)日：2019-02-12
申请号：US15495570
申请日：2017-04-24
Applicant: KENNAMETAL INC.
Inventor： Zhenyu Liu , Yixiong Liu
Abstract: In one aspect, articles are described herein comprising refractory coatings employing an inter-anchored multilayer architecture. Articles having refractory coatings described herein, in some embodiments, are suitable for high wear and/or abrasion applications such as metal cutting operations. A coated article described herein comprises a substrate and a coating deposited by CVD adhered to the substrate, the coating including a refractory layer comprising a plurality of sublayer groups, a sublayer group comprising a Group IVB metal nitride sublayer and an adjacent layer alumina sublayer, the Group IVB metal nitride sublayer comprising a plurality of nodules interfacing with the alumina sublayer.
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公开(公告)号：US10100405B2
公开(公告)日：2018-10-16
申请号：US14690631
申请日：2015-04-20
Applicant: Kennametal Inc.
Inventor： Rodrigo A. Cooper , Zhenyu Liu , Peter R. Leicht , Yixiong Liu
Abstract: A coated cutting insert for a chipforming material removal operation wherein the coated insert has a substrate and a coating scheme on the substrate. The coating scheme includes a CVD transition coating layer. The coating scheme further includes a CVD multi-layered coating scheme having a plurality of coating sets. Each one of the coating sets has an aluminum oxide coating layer and a nitrogen-containing coating layer.
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4.发明申请COATED BODY WHEREIN THE COATING SCHEME INCLUDES A COATING LAYER OF TiAl2O3 AND METHOD OF MAKING THE SAME 有权涂层方案的涂层体包括TiAl2O3涂层及其制备方法公开(公告)号：US20160194754A1
公开(公告)日：2016-07-07
申请号：US15072760
申请日：2016-03-17
Applicant: Kennametal Inc.
Inventor： Zhenyu Liu , Rodrigo A. Cooper , Peter R. Leicht , Mark S. Greenfield , Yixiong Liu
IPC: C23C16/40
CPC classification number: C23C16/40 , C23C16/403 , C23C16/45523 , C23C28/042 , C23C28/044 , C23C28/048 , Y10T428/265
Abstract: A coated cutting insert and a method for making the same. The coated cutting insert has a substrate with a substrate surface. There is a backing coating scheme on the substrate surface, and a TiAl2O3 coating layer wherein the TiAl2O3 coating layer is deposited using chemical vapor deposition from a gaseous composition including AiCl3, H2, TiCl4, CO2 and HCl.
Abstract translation: 涂层切削刀片及其制造方法。 涂覆的切削刀片具有带有基底表面的基底。 在衬底表面上有背衬涂层方案，以及TiAl 2 O 3涂层，其中使用化学气相沉积从包括AlCl 3，H 2，TiCl 4，CO 2和HCl的气体组合物沉积TiAl 2 O 3涂层。
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公开(公告)号：US09365925B2
公开(公告)日：2016-06-14
申请号：US14226999
申请日：2014-03-27
Applicant: Kennametal Inc.
Inventor： Peter Rudolf Leicht , Zhenyu Liu , Mark S Greenfield , Yixiong Liu
CPC classification number: C23C16/06 , C23C16/30 , C23C16/403 , C23C28/042 , C23C28/044 , C23C28/42
Abstract: In one aspect, cutting tools are described having coatings adhered thereto which, in some embodiments, can demonstrate desirable wear resistance and increased cutting lifetimes. A coated cutting tool described herein comprises a substrate and a coating adhered to the substrate, the coating having a multilayer structure including a plurality of structural units each comprising a bonding layer and an adjacent alumina layer, the alumina layer having a thickness of less than 0.5 μm and the bonding layer having a thickness less than 1 μm, the bonding layer comprising TiCN and TiAlOC.
Abstract translation: 在一个方面，描述了具有粘附到其上的涂层的切割工具，在一些实施例中，可以显示出期望的耐磨性和增加的切割寿命。 本文所述的涂层切削工具包括基底和附着在基底上的涂层，所述涂层具有多层结构，所述多层结构包括多个结构单元，每个结构单元包括结合层和相邻的氧化铝层，所述氧化铝层的厚度小于0.5 并且所述接合层的厚度小于1μm，所述接合层包含TiCN和TiAlOC。
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Patent Agency Ranking
公开(公告)号：US20160305018A1
公开(公告)日：2016-10-20
申请号：US14690631
申请日：2015-04-20
Applicant: Kennametal Inc.
Inventor： Rodrigo A. Cooper , Zhenyu Liu , Peter R. Leicht , Yixiong Liu
CPC classification number: C23C16/403 , C23C16/30 , C23C16/34 , C23C16/36 , C23C16/44 , C23C28/042 , C23C28/044 , C23C28/42 , C23C30/005
Abstract: A coated cutting insert for a chipforming material removal operation wherein the coated insert has a substrate and a coating scheme on the substrate. The coating scheme includes a CVD transition coating layer. The coating scheme further includes a CVD multi-layered coating scheme having a plurality of coating sets. Each one of the coating sets has an aluminum oxide coating layer and a nitrogen-containing coating layer.
Abstract translation: 一种用于芯片成形材料去除操作的涂覆切削刀片，其中涂覆的刀片具有衬底和在衬底上的涂覆方案。 涂覆方案包括CVD过渡涂层。 涂层方案还包括具有多个涂层的CVD多层涂覆方案。 涂布组中的每一个都具有氧化铝涂层和含氮涂层。
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公开(公告)号：US20140291036A1
公开(公告)日：2014-10-02
申请号：US14226999
申请日：2014-03-27
Applicant: Kennametal Inc.
Inventor： Peter Rudolf Leicht , Zhenyu Liu , Mark S. Greenfield , Yixiong Liu
IPC: E21B10/573 , C23C16/06
CPC classification number: C23C16/06 , C23C16/30 , C23C16/403 , C23C28/042 , C23C28/044 , C23C28/42
Abstract: In one aspect, cutting tools are described having coatings adhered thereto which, in some embodiments, can demonstrate desirable wear resistance and increased cutting lifetimes. A coated cutting tool described herein comprises a substrate and a coating adhered to the substrate, the coating having a multilayer structure including a plurality of structural units each comprising a bonding layer and an adjacent alumina layer, the alumina layer having a thickness of less than 0.5 μm and the bonding layer having a thickness less than 1 μm, the bonding layer comprising TiCN and TiAlOC.
Abstract translation: 在一个方面，描述了具有粘附到其上的涂层的切割工具，在一些实施例中，可以显示出期望的耐磨性和增加的切割寿命。 本文所述的涂层切削工具包括基底和附着在基底上的涂层，所述涂层具有多层结构，所述多层结构包括多个结构单元，每个结构单元包括结合层和相邻的氧化铝层，所述氧化铝层的厚度小于0.5 并且所述接合层的厚度小于1μm，所述接合层包含TiCN和TiAlOC。
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公开(公告)号：US20230085248A1
公开(公告)日：2023-03-16
申请号：US17899205
申请日：2022-08-30
Applicant: Kennametal Inc.
Inventor： Zhenyu Liu , Kimaya Prakash Vyavhare
Abstract: In one aspect, cutting tools are described herein comprising wear resistant coatings employing one or more refractory layers of polycrystalline α-Al2O3. Briefly, a coated cutting tool described herein comprises a substrate, and a coating adhered to the substrate, the coating comprising a layer of polycrystalline α-Al2O3 deposited by chemical vapor deposition (CVD), wherein at least 5% of all grain boundaries in the polycrystalline α-Al2O3 layer have a misorientation angle less than 15 degrees as determined using a field-emission scanning electron microscope (FESEM) and an electron backscatter diffraction (EBSD) detector.
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公开(公告)号：US20210207273A1
公开(公告)日：2021-07-08
申请号：US16734329
申请日：2020-01-04
Applicant: Kennametal Inc.
Inventor： Zhenyu Liu
Abstract: A coating includes a layer having an alumina matrix and at least one of zirconia grains and hafnia grains in the alumina matrix. An average grain size of the at least one of the zirconia grains and hafnia grains is 100 nm or less. A coated cutting tool includes a substrate and the coating bonded to the substrate. The substrate has a rake face, a flank face, and a cutting edge formed at the intersection of the rake face and the flank face.
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公开(公告)号：US20180347027A1
公开(公告)日：2018-12-06
申请号：US15610110
申请日：2017-05-31
Applicant: Kennametal Inc.
Inventor： Vineet KUMAR , Ronald Penich , Chen Chen , Zhenyu Liu , Nicholas F. Waggle
IPC: C23C14/06
CPC classification number: C23C14/0641 , C23C14/024 , C23C14/325 , C23C28/042 , C23C28/42
Abstract: In one aspect, coatings are described herein employing composite architectures providing high aluminum content and high hardness for various cutting applications. For example, a coated cutting tool comprises a substrate and a coating comprising a refractory layer deposited by physical vapor deposition adhered to the substrate, the refractory layer comprising a plurality of sublayer groups, a sublayer group comprising a titanium aluminum nitride sublayer and an adjacent composite sublayer comprising alternating nanolayers of titanium silicon nitride and titanium aluminum nitride.
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