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    CUTTING TOOL WITH TEXTURED ALUMINA LAYER
    4.
    发明公开
    CUTTING TOOL WITH TEXTURED ALUMINA LAYER 有权
    切割工具与纹理氧化铝层

    公开(公告)号：EP3263738A1

    公开(公告)日：2018-01-03

    申请号：EP16177567.1

    申请日：2016-07-01

    申请人： WALTER AG

    发明人： STIENS, Dirk ,  MANNS, Thorsten

    IPC分类号： C23C16/02 ,  C23C16/40

    CPC分类号： C23C16/0272 ,  C23C16/403 ,  C23C28/042 ,  C23C28/044

    摘要： A coated cutting tool consisting of a substrate of cemented carbide, cermet, ceramics, steel or cubic boron nitride and a multi-layered wear resistant coating deposited by chemical vapour deposition (CVD) and having a total thickness from 4 to 25 µm, wherein the multi-layered wear resistant coating comprises a TiAlCN layer (a) represented by the general formula Ti 1-x Al x C y N z with 0.2≤x≤0.97, 0≤y≤0.25 and 0.7≤z≤1.15 deposited by CVD, and a κ-Al 2 O 3 layer (b) of kappa aluminium oxide deposited by CVD immediately on top of the TiAICN layer (a), and
    wherein the Ti 1-x Al x C y N z layer (a) has an overall fiber texture with the {111} plane preferentially growing parallel to the substrate surface, the fiber texture being characterized in that a {111} pole figure of the Ti 1-x Al x C y N z layer (a), measured by X-ray diffraction or electron backscatter diffraction over an angle range of 0°≤α≤80°, has an intensity maximum within ≤10° tilt angle from the sample normal, and has ≤50% of the relative intensity measured over an angle range of 0°≤α≤60° within ≤20° tilt angle from the sample normal, and
    wherein the κ-Al 2 O 3 layer (b) has an overall fiber texture with the {002} plane preferentially growing parallel to the substrate surface, the fiber texture being characterized in that a {002} pole figure of the κ-Al 2 O 3 layer (b), measured by X-ray diffraction or electron backscatter diffraction over an angle range of 0°≤α≤80°, has an intensity maximum within ≤10° tilt angle from the sample normal, and has ≤50% of the relative intensity measured over an angle range of 0°≤α≤80° within ≤20° tilt angle from the sample normal.

    摘要翻译： 一种由硬质合金，金属陶瓷，陶瓷，钢或立方氮化硼基体和通过化学气相沉积（CVD）沉积并具有4至25μm总厚度的多层耐磨涂层组成的涂覆切削工具，其中 多层耐磨涂层包括由通过CVD沉积的0.2≤x≤0.97,0≤y≤0.25和0.7≤z≤1.15的通式Ti 1-x Al x C y N z表示的TiAlCN层（a），和κ-Al 2 O 3层（ b）通过CVD立即在TiAICN层（a）的顶部沉积的κ-氧化铝，并且其中Ti1-xAlxCyNz层（a）具有总体纤维组织，其中{111}面优先平行于衬底表面生长， 纤维织构的特征在于，在0°≤α≤80°的角度范围内通过X射线衍射或电子背散射衍射测量的Ti 1-x Al x C y N z层（a）的{111}极图的强度最大值 距试样正常倾角≤10°，且≤50％ 在与样品法线成≤20°的倾斜角内在0°≤α≤60°的角度范围内测量的相对强度，并且其中所述κ-Al 2 O 3层（b）优选具有{002}面的整体纤维织构 所述纤维织构的特征在于，通过X射线衍射或电子背散射衍射测量的κ-Al 2 O 3层（b）的{002}极图的角度范围为0°≤α≤ 80°，与样品法线的倾角在≤10°范围内具有最大强度，并且在距样品法线倾角≤20°的范围内在0°≤α≤80°的角度范围内测得的相对强度≤50％ 。

    SCHNEIDEINSATZ UND VERFAHREN ZU DESSEN HERSTELLUNG
    5.
    发明公开
    SCHNEIDEINSATZ UND VERFAHREN ZU DESSEN HERSTELLUNG 有权

    公开(公告)号：EP2756110A1

    公开(公告)日：2014-07-23

    申请号：EP12761964.1

    申请日：2012-09-17

    申请人： Walter AG

    发明人： STIENS, Dirk ,  RUPPI, Sakari ,  FUHRMANN, Thomas

    IPC分类号： C23C16/40 ,  C23C16/56 ,  C23C28/04

    CPC分类号： B23B27/148 ,  B23C5/20 ,  C23C16/403 ,  C23C16/56 ,  C23C28/044 ,  C23C30/005 ,  C30B25/00 ,  Y10T428/24975

    摘要： Cutting insert made of a hard metal, cermet or ceramic substrate body and a multilayer coating that is applied thereto by means of CVD methods, has a total thickness of 5 to 40 μm, and comprises, starting from the substrate surface, one or more hard material layers, an alpha-aluminum oxide (α-ΑΙ
    2 O
    3 ) layer having a layer thickness of 1 to 20 μm on top of the hard material layers, and optionally one or more additional hard material layers above at least some sections of the α-ΑΙ
    2 O
    3 layer, as decorative or wear recognition layers, characterized in that the α-ΑΙ
    2 O
    3 layer has a crystallographic preferred orientation, characterized by a texture coefficient TC (0 0 12) of formula (I) ≥ 5 for the (0 0 12) growth direction, wherein l(hkl) are the intensities of the diffraction reflections measured using x-ray diffraction, l
    o (hkl) are the standard intensities of the diffraction reflections according to pdf card 42-1468, n is the number of reflections used for the calculation, and the following reflections are used for calculating TC(0 0 12): (0 1 2), (1 0 4), (1 1 0), (1 1 3), (1 1 6), (3 0 0) and (0 0 12), the α-ΑΙ
    2 O
    3 layer has a residual stress in the range of 0 to +300 MPa, and the substrate, within a range of 0 to 10 μm from the substrate surface, has a minimum residual stress in the range of -2000 to -400 MPa.

    摘要翻译： 由硬化金属制成的切削刀片，金属陶瓷或陶瓷基体，通过CVD法施加多层涂层。 该涂层的总厚度为5〜40μm，从基板表面开始，具有1层以上的硬质材料层，1〜20μm的α氧化铝（α-Al 2 O 3）层， 在α-Al 2 O 3层上分为一个或多个另外的硬质材料层作为装饰或磨损识别层。 对于（0 0 12）生长方向，α-Al 2 O 3层具有以纹理系数TC（0 0 12）≥5为特征的晶体优先取向。 α-Al 2 O 3层在0〜+ 300Masas范围内具有固有应力，并且在距离基板表面0〜10μm的范围内的基板在-2000〜-400Mpa的范围内具有固有的应力最小值。

    TACNO COATINGS AND PRODUCTION PROCESS
    6.
    发明公开
    TACNO COATINGS AND PRODUCTION PROCESS 审中-公开

    公开(公告)号：EP3461928A1

    公开(公告)日：2019-04-03

    申请号：EP17194005.9

    申请日：2017-09-29

    申请人： WALTER AG

    发明人： STIENS, Dirk ,  ENDLER, Ingolf ,  HÖHN, Mandy

    IPC分类号： C23C16/30 ,  C23C16/36 ,  C23C16/448 ,  C23C16/455 ,  C23C16/02 ,  C23C28/04 ,  C23C16/32

    摘要： A coated body, preferably a coated cutting tool, consisting of a substrate of cemented carbide, cermet, ceramics, or cubic boron nitride and a single layer or multi-layer wear resistant coating and having a total thickness from 1 to 25 µm, wherein the wear resistant coating comprises a tantalum containing hard material layer comprising one single phase or more than one phase of tantalum compound represented by the general formula Ta w C x N y O z with w = 1 or 2, 0.2 ≤ x ≤ 1.1, 0 ≤ y ≤ 0.55 and 0 ≤ z ≤ 0.2, x+y+z being within the range from 0.8 - 1.2, and having a hardness of more than 2500 HV [0.01].

    TIALCN-SCHICHTEN MIT LAMELLENSTRUKTUR
    7.
    发明公开
    TIALCN-SCHICHTEN MIT LAMELLENSTRUKTUR 有权

    公开(公告)号：EP3117021A1

    公开(公告)日：2017-01-18

    申请号：EP15709872.4

    申请日：2015-03-03

    申请人： Walter AG

    发明人： STIENS, Dirk ,  MANNS, Thorsten ,  RUPPI, Sakari

    IPC分类号： C23C16/34 ,  C23C16/36

    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： The invention relates to a tool with a main part made of hard metal, cermet, ceramic, steel, high-speed steel, and a single-or multilayer wear protection coating which is applied onto the main part in a CVD method and which has a thickness ranging from 3 μιη to 25 μιη. The wear protection coating has at least one Ti
    1-x Al
    x C
    y N
    z layer with the stoichiometric coefficients 0.70 ≤ x 1-x Al
    x C
    y N
    z layer has a lamellar structure with lamellae with a thickness of no more than 150 nm, preferably no more than 100 nm, particularly preferably no more than 50 nm, wherein the lamellae are made of periodically alternating regions of the Ti
    1-x Al
    x C
    y N
    z layer with alternatingly different stoichiometric proportions of Ti and AI, having the same crystal structure (crystallographic phase), and the Ti
    1-x Al
    x C
    y N
    z layer has at least 90% vol.% of a face centered cubic (fcc) crystal structure.

    摘要翻译： 工具主要由硬质合金，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Ti1-xAlxCyNz层的周期性交替的区域制成，具有不同化学计量比的Ti和Al，具有相同的晶体结构（晶相），Ti1-xAlxCyNz层具有至少90％的体积。 ％的面心立方（fcc）晶体结构。

    CUTTING TOOL WITH TEXTURED ALUMINA LAYER
    9.
    发明授权
    CUTTING TOOL WITH TEXTURED ALUMINA LAYER 有权

    公开(公告)号：EP3263738B1

    公开(公告)日：2018-12-05

    申请号：EP16177567.1

    申请日：2016-07-01

    申请人： WALTER AG

    发明人： STIENS, Dirk ,  MANNS, Thorsten

    IPC分类号： C23C16/02 ,  C23C16/40 ,  C23C28/04

    CPC分类号： C23C16/0272 ,  C23C16/403 ,  C23C28/042 ,  C23C28/044

    摘要： A coated cutting tool consisting of a substrate of cemented carbide, cermet, ceramics, steel or cubic boron nitride and a multi-layered wear resistant coating deposited by chemical vapour deposition (CVD) and having a total thickness from 4 to 25 µm, wherein the multi-layered wear resistant coating comprises a TiAlCN layer (a) represented by the general formula Ti 1-x Al x C y N z with 0.2‰¤x‰¤0.97, 0‰¤y‰¤0.25 and 0.7‰¤z‰¤1.15 deposited by CVD, and a º-Al 2 O 3 layer (b) of kappa aluminium oxide deposited by CVD immediately on top of the TiAICN layer (a), and wherein the Ti 1-x Al x C y N z layer (a) has an overall fiber texture with the {111} plane preferentially growing parallel to the substrate surface, the fiber texture being characterized in that a {111} pole figure of the Ti 1-x Al x C y N z layer (a), measured by X-ray diffraction or electron backscatter diffraction over an angle range of 0°‰¤±‰¤80°, has an intensity maximum within ‰¤10° tilt angle from the sample normal, and has ‰¤50% of the relative intensity measured over an angle range of 0°‰¤±‰¤60° within ‰¤20° tilt angle from the sample normal, and wherein the º-Al 2 O 3 layer (b) has an overall fiber texture with the {002} plane preferentially growing parallel to the substrate surface, the fiber texture being characterized in that a {002} pole figure of the º-Al 2 O 3 layer (b), measured by X-ray diffraction or electron backscatter diffraction over an angle range of 0°‰¤±‰¤80°, has an intensity maximum within ‰¤10° tilt angle from the sample normal, and has ‰¤50% of the relative intensity measured over an angle range of 0°‰¤±‰¤80° within ‰¤20° tilt angle from the sample normal.