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公开(公告)号:US20240351113A1
公开(公告)日:2024-10-24
申请号:US18574999
申请日:2022-06-30
申请人: WALTER AG
发明人: Thorsten MANNS , Wiebeke JANSSEN
CPC分类号: B23B27/14 , C23C16/0272 , C23C16/36 , C23C16/403 , C23C16/56
摘要: A coated cutting tool consisting of a substrate and a multi-layered wear resistant hard coating and a process for manufacturing the same is provided. The layers of the hard coating are deposited by chemical vapour deposition (CVD) and include a TiCN layer with a multi-sublayer structure of alternating C-type and N-type sublayers and an overall fiber texture characterized by a texture coefficient TC (4 2 2) in the range from 3.0 to 5.5, an oxygen containing Ti or Ti+Al compound bonding layer, and an α-Al2O3 layer on top of the bonding layer with an overall fiber texture characterized by a texture coefficient TC (0 0 12)>5.
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公开(公告)号:US20190338424A1
公开(公告)日:2019-11-07
申请号:US16310975
申请日:2017-06-20
申请人: WALTER AG
发明人: Dirk STIENS , Thorsten MANNS
摘要: A coated cutting tool has a substrate of cemented carbide, cermet, ceramics, steel or cubic boron nitride and a multi-layered wear resistant coating deposited thereon has a total thickness from 4 to 25 μm. The multi-layered wear resistant coating includes a TiAlCN layer (a) represented by the formula Ti1-xAlxCyNz with 0.2≤x≤0.97, 0≤y≤0.25 and 0.7≤z≤1.15 deposited by CVD, and a κ-Al2O3 layer (b) of kappa aluminium oxide deposited by CVD immediately on top of the TiAlCN layer (a). The Ti1-AlxCyNz layer (a) has an overall fiber texture with the {111} plane growing parallel to the substrate surface and a {111} pole figure, measured over an angle range of 0°≤α≤80° and the κ-Al2O3 layer (b) has an overall fiber texture with the {002} plane growing parallel to the substrate surface and a {002} pole figure, over an angle range of 0°≤α≤80°.
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公开(公告)号:US20160333473A1
公开(公告)日:2016-11-17
申请号:US15112899
申请日:2015-03-03
申请人: Walter AG
发明人: Dirk STIENS , Thorsten MANNS , Sakari RUPPI
IPC分类号: C23C16/36 , B23B27/14 , C23C16/455 , C23C16/40 , C23C16/46
CPC分类号: C23C16/36 , B23B27/148 , B23B2222/16 , B23B2222/84 , B23B2226/18 , B23B2228/04 , B23B2228/105 , C23C16/34 , C23C16/403 , C23C16/45502 , C23C16/46
摘要: A tool has a main part of hard metal, cermet, ceramic, steel, high-speed steel, and a single or multilayer wear protection coating applied onto the main part by CVD and which has a thickness from 3 μm to 25 μm. The wear protection coating has at least one Ti1-xAlxCyNz layer with stoichiometric coefficients 0.70≦x
摘要翻译: 工具主要有硬质金属,金属陶瓷,陶瓷,钢,高速钢,以及通过CVD施加在主体上的单层或多层耐磨保护涂层,其厚度为3μm至25μm。 磨损保护涂层具有至少一种化学计量系数为0.70≤x<1.0≤y<0.25和0.75≤z<1.15且厚度为1.5μm至17μm的Ti1-xAlxCyNz层。 T1-xAlxCyNz层具有厚度不超过150nm,优选不超过100nm,特别优选不超过50nm的薄片的层状结构。 薄片由具有交替不同的化学计量比的Ti和Al的具有相同晶体结构(晶相)的Ti1-xAlxCyNz层的周期性交替的区域制成,并且Ti1-xAlxCyNz层具有至少90%的体积。 %的面心立方(fcc)晶体结构。
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公开(公告)号:US20160053372A1
公开(公告)日:2016-02-25
申请号:US14781622
申请日:2014-04-16
申请人: WALTER AG
发明人: Dirk STIENS , Sakari RUPPI , Thorsten MANNS
CPC分类号: C23C16/34 , C23C16/44 , C23C16/45508
摘要: A tool having a base body of carbide, cermet, ceramic, steel or high speed steel and a single-layer or multi-layer wear-protection coating applied thereto in a CVD process, wherein the wear-protection coating has at least one Ti1-xAlxCyNz layer having stoichiometry coefficients 0.70≦x 1+h (In h)2, wherein h is the thickness of the Ti1-xAlxCyNz layer in micrometer.
摘要翻译: 一种在CVD工艺中具有碳化物,金属陶瓷,钢或高速钢基体的单体和单层或多层耐磨保护涂层的工具,其中所述磨损保护涂层具有至少一个Ti1- xAl x C y N z层具有化学计量系数0.70和nlE; x <1.0和nlE; y <0.25和0.75&nlE; z <1.15,其中Ti1-xAlxCyNz层的厚度为1μm至25μm并具有晶体优先取向,其特征在于 结晶{111}面和{200}面的X射线衍射峰的强度比,其中I {111} / I {200}> 1 + h(In h)2,其中h是 Ti1-xAlxCyNz层的厚度为千分尺。
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公开(公告)号:US20200002819A1
公开(公告)日:2020-01-02
申请号:US16473477
申请日:2018-01-26
申请人: WALTER AG
发明人: Dirk STIENS , Thorsten MANNS
摘要: A coated cutting tool includes a substrate and a coating. The coating has an inner layer of 4-14 μm thick Ti1-xAlxN, an intermediate layer of 0.05-1 μm TiCN and at least one outer layer of 1-9 μm α-Al2O3. The α-Al2O3 layer exhibits an X-ray diffraction pattern, as measured using CuKα radiation and theta-2theta scan. A texture coefficient TC(hkl) is defined according to Harris formula, wherein the (hkl) reflections used are (0 2 4), (1 1 6), (3 0 0) and (0 0 12), I(hkl)=measured intensity (peak intensity) of the (hkl) reflection, 10(hkl)=standard intensity according to ICDD's PDF-card No. 00-042-1468, n=number of reflections used in the calculation, and 3
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公开(公告)号:US20190111497A1
公开(公告)日:2019-04-18
申请号:US16090287
申请日:2017-03-31
申请人: WALTER AG
发明人: Dirk STIENS , Thorsten MANNS
摘要: A coated cutting tool includes a substrate of cemented carbide, cermet, ceramics, steel or cubic boron nitride and a multi-layered wear resistant coating. The multi-layered wear resistant coating has a total thickness from 5 to 25 μm and includes refractory coating layers deposited by chemical vapour deposition (CVD) or moderate temperature chemical vapour deposition (MT-CVD). The multi-layered wear resistant coating has at least one pair of layers (a) and (b), with layer (b) being deposited immediately on top of layer (a). Layer (a) is a layer of aluminium nitride having hexagonal crystal structure (h-AlN) and a thickness from 10 nm to 750 nm. Layer (b) is a layer of titanium aluminium nitride or titanium aluminium carbonitride represented by the general formula Ti1-xAlxCyNz with 0.4≤x≤0.95, 0≤y≤0.10 and 0.85≤z≤1.15, having a thickness from 0.5 μm to 15 μm, and at least 90% of the Ti1-xAlxCyNz of layer (b) has a face-centered cubic (fcc) crystal structure.
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公开(公告)号:US20180216224A1
公开(公告)日:2018-08-02
申请号:US15747471
申请日:2016-07-06
申请人: WALTER AG
发明人: Dirk STIENS , Thorsten MANNS
CPC分类号: C23C16/36 , B23B27/148 , B23B2224/32 , B23B2228/04 , B23B2228/105 , C23C16/34 , C23C16/403 , C23C16/56
摘要: A tool having includes a base body of cemented carbide, cermet, ceramics, steel or high-speed steel and a single-layer or multi-layer wear protection coating deposited thereon by CVD process and having a thickness within the range of from 2 μm to 25 μm. The wear protection coating has at least a Ti1-xAlxCyNz layer with 0.40≤x≤0.95, 0≤y≤0.10 and 0.85≤z≤1.15 having a thickness in the range of from 1 μm to 16 μm and having >85 vol-% face-centered cubic (fcc) crystal structure. The Ti1-xAlxCyNz layer includes precipitations of Ti1-oAloCpNq at the grain boundaries of the Ti1-xAlxCyNz crystallites have a higher Al content than inside the crystallites, wherein 0.95≤o≤1.00, 0≤p≤0.10, 0.85≤q≤1.15 and (0−x)≥0.05.
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公开(公告)号:US20170275765A1
公开(公告)日:2017-09-28
申请号:US15514275
申请日:2015-09-03
申请人: WALTER AG
发明人: Dirk STIENS , Thorsten MANNS , Sakari RUPPI
CPC分类号: C23C28/042 , B23B27/148 , B23B2224/32 , B23B2228/04 , B23B2228/105 , C23C16/34 , C23C16/342 , C23C16/36 , C23C28/044
摘要: A coated cutting tool includes a substrate of cemented carbide, cermet, ceramics, steel or cubic boron nitride, a multi-layered wear resistant coating and at least two refractory coating layers deposited. The at least two refractory coating layers include a first coating layer and a second coating layer deposited on top of each other. The first coating layer is titanium aluminium nitride or carbonitride Ti1-uAluCvNw, with 0.2≦u≦1.0, 0≦v≦0.25 and 0.7≦w≦1.15 deposited by CVD. The second coating layer is titanium carbonitride TixCyN1-y, with 0.85≦x≦1.1 and 0.4≦y≦0.85, and is deposited on top of the first coating layer by MT-CVD. The second TixCyN1-y coating layer has a columnar grain morphology and the overall fiber texture of the TixCyN1-y coating layer is characterized by a texture coefficient TC (1 1 1)>2.
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