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    • 2. 发明申请
    • Coated cutting tool
    • 涂层切割工具
    • US20080131677A1
    • 2008-06-05
    • US11905171
    • 2007-09-27
    • Ingrid ReineckMarianne CollinDavid Huy TrinhHans HogbergLars Hultman
    • Ingrid ReineckMarianne CollinDavid Huy TrinhHans HogbergLars Hultman
    • B32B7/02
    • C23C30/005C23C28/042C23C28/044C23C28/048C23C28/42Y10T407/27Y10T428/24975Y10T428/252Y10T428/265
    • The present invention relates to a cutting tool comprising a substrate of cemented carbide, cermet, ceramics, cubic boron nitride or high speed steel on which at least on the functioning parts of the surface thereof a thin, adherent, hard and wear resistant coating is applied, wherein said coating comprises a laminated multilayer of alternating PVD or PECVD metal oxide layers, Me1X+Me2X+Me1X+Me2X . . . , where the metal atoms Me1 and Me2 are one or more of Ti, Nb, V, Mo, Zr, Cr, Al, Hf, Ta, Y and Si, and where at least one of Me1X and Me2X is a metal oxide+metal oxide nano-composite layer composed of two components, component A and component B, with different composition and different structure, which components comprise a single phase oxide of one metal element or a solid solution of two or more metal oxides, wherein the layers Me1X and Me2X are different in composition or structure or both and have individual layer thicknesses larger than about 0.4 nm but smaller than about 50 nm, said laminated multilayer layer has a total thickness of between about 0.2 and about 20 μm and has a compositional gradient, with regards the concentration of one or more of the metal atom(s), in the direction from the outer surface of the coating towards the substrate, the gradient being such that the difference in between the average concentration of the outermost portion of the multilayer and the average concentration of the innermost portion of the multilayer is at least about 5 at-% in absolute units.
    • 本发明涉及一种包括硬质合金,金属陶瓷,陶瓷,立方氮化硼或高速钢的基材的切削工具,其上至少在其表面的功能部分上施加薄的,粘附的,耐硬且耐磨的涂层 ,其中所述涂层包括交替的PVD或PECVD金属氧化物层的层叠多层,其中X 1 + X 2 + X 2 + X 1 + X 2 + X 2。 。 。 其中金属原子Me 1和Me 2是Ti,Nb,V,Mo,Zr,Cr,Al,Hf,Ta,Y和Si中的一种或多种 ,并且其中Me 1 X和Me 2 X中的至少一个是由两种组分A和B组成的金属氧化物+金属氧化物纳米复合层, 具有不同的组成和不同的结构,这些组分包括一种金属元素的单相氧化物或两种或更多种金属氧化物的固溶体,其中层I 1 X和Me 2, SUB> X的组成或结构或两者都不同,并且具有大于约0.4nm但小于约50nm的单独层厚度,所述层压多层层的总厚度为约0.2至约20μm,具有组成梯度, 考虑到一个或多个金属原子的浓度,在从涂层的外表面朝向基底的方向上,梯度使得平均直径之间的差异 多层的最外部分的浓度和多层的最内部的平均浓度以绝对单位为至少约5原子%。
    • 4. 发明授权
    • Coated cutting tool
    • 涂层切割工具
    • US08119227B2
    • 2012-02-21
    • US11905171
    • 2007-09-27
    • Ingrid ReineckMarianne CollinDavid Huy TrinhHans HögbergLars Hultman
    • Ingrid ReineckMarianne CollinDavid Huy TrinhHans HögbergLars Hultman
    • B32B9/00
    • C23C30/005C23C28/042C23C28/044C23C28/048C23C28/42Y10T407/27Y10T428/24975Y10T428/252Y10T428/265
    • A cutting tool includes a substrate on which at least on the functioning parts of the surface thereof a thin, adherent, hard and wear resistant coating is applied, wherein the coating includes a laminated multilayer of alternating PVD or PECVD metal oxide layers, Me1X+Me2X+Me1X+Me2X . . . , where at least one of Me1X and Me2X is a metal oxide+metal oxide nano-composite layer composed of two components, wherein the layers Me1X and Me2X are different in composition or structure, the laminated multilayer layer has a compositional gradient, with regards to a concentration, in a direction from an outer surface of the coating towards the substrate, the gradient being such that a difference between an average concentration of an outermost portion of the multilayer and an average concentration of an innermost portion of the multilayer is at least about 5 at-% in absolute units.
    • 切割工具包括基底,其上至少在其表面的功能部分上施加薄的,粘附的,耐磨和耐磨的涂层,其中涂层包括交替的PVD或PECVD金属氧化物层的叠层多层,Me1X + Me2X + Me1X + Me2X。 。 。 其中Me1X和Me2X中的至少一种是由两种组分组成的金属氧化物+金属氧化物纳米复合层,其中层Me1X和Me2X的组成或结构不同,层压多层具有组成梯度,关于 在从涂层的外表面朝向基底的方向上的浓度,梯度使得多层的最外部分的平均浓度与多层的最内部的平均浓度之间的差异至少约为 5% - 绝对单位。
    • 5. 发明授权
    • Coated cutting tool
    • 涂层切割工具
    • US08119226B2
    • 2012-02-21
    • US11905166
    • 2007-09-27
    • Ingrid ReineckMarianne CollinTorbjörn Selinder
    • Ingrid ReineckMarianne CollinTorbjörn Selinder
    • B32B9/00
    • C23C30/005C23C28/042C23C28/044C23C28/048C23C28/42Y10T407/27Y10T428/24975Y10T428/252Y10T428/265
    • A cutting tool includes a substrate on which at least on the functioning parts of the surface thereof a thin, adherent, hard and wear resistant coating is applied, wherein the coating includes a laminated multilayer of alternating PVD or PECVD metal oxide layers, Me1X+Me2X+Me1X+Me2X . . . , where at least one of Me1X and Me2X is a metal oxide+metal oxide nano-composite layer composed of two components with different composition and different structure which components include a single phase oxide of one metal element or a solid solution of two or more metal oxides, wherein the layers Me1X and Me2X are different in composition or structure and have individual layer thicknesses larger than about 0.4 nm but smaller than about 50 nm and where said laminated multilayer layer has a total thickness of between about 0.2 and about 20 μm.
    • 切割工具包括基底,其上至少在其表面的功能部分上施加薄的,粘附的,耐磨和耐磨的涂层,其中涂层包括交替的PVD或PECVD金属氧化物层的叠层多层,Me1X + Me2X + Me1X + Me2X。 。 。 ,其中Me1X和Me2X中的至少一种是由具有不同组成和不同结构的两种组分组成的金属氧化物+金属氧化物纳米复合层,这些组分包括一种金属元素的单相氧化物或两种或更多种金属的固溶体 氧化物,其中层Me1X和Me2X的组成或结构不同,并且具有大于约0.4nm但小于约50nm的单独层厚度,并且其中所述层叠多层层的总厚度为约0.2至约20μm。
    • 9. 发明授权
    • Silicon nitride cutting tool material
    • 氮化硅切削刀具材料
    • US5914286A
    • 1999-06-22
    • US880297
    • 1997-06-24
    • Marianne CollinMagnus Ekelund
    • Marianne CollinMagnus Ekelund
    • B23B27/14C04B35/584C04B35/593C04B41/52C04B41/87C04B41/89C04B35/596
    • C04B41/009C04B35/593C04B35/5935C04B41/52C04B41/89Y10T407/27
    • There is disclosed a silicon nitride based cutting tool insert for chipforming machining of cast iron material having improved mechanical, chemical and wear properties. This is obtained by addition of one or more transition metal oxides which act as a sintering aid together with alumina and yttria and also promote the growth of elongated grains of beta silicon nitride during the sintering. Preferably, the inserts are provided with a wear resistant coating as known in the art. The ceramic cutting tool material according to the present invention comprises a beta silicon nitride matrix with total amount of 0.5-10 weight %, preferably 0.5-6 weight %, of an intergranular phase and 0.05-3 weight % of at least one secondary crystalline phase of a transition metal carbide, nitride, carbonitride and/or silicide present as spherical particles with a size of 0.1-2 .mu.m, preferably submicron (0.01-1 .mu.m). The transition metal is preferably niobium and/or tantalum. The material has less than 1 volume %, preferably less than 0.3 volume %, porosity. The beta silicon nitride grains are to at least 10%, preferably more than 20%, elongated with an aspect ratio greater than 3, preferably greater than 5. The grain diameter of the beta silicon nitride grains is in the range of 0.2-10 .mu.m, preferably 0.2-5 .mu.m, and most preferably 0.2-3 .mu.m.
    • 公开了一种用于具有改进的机械,化学和耐磨性能的铸铁材料的芯片成型加工的氮化硅基切削工具刀片。 这是通过加入一种或多种过渡金属氧化物而获得的,这些氧化物与氧化铝和氧化钇一起用作烧结助剂,并且还促进烧结期间β氮化硅细长晶粒的生长。 优选地,插入件具有本领域已知的耐磨涂层。 根据本发明的陶瓷切削工具材料包括总量为0.5-10重量%,优选0.5-6重量%的晶间相和0.05-3重量%的至少一个第二结晶相的β氮化硅基体 过渡金属碳化物,氮化物,碳氮化物和/或硅化物作为球形颗粒存在,其尺寸为0.1-2μm,优选亚微米(0.01-1μm)。 过渡金属优选为铌和/或钽。 该材料的孔隙率小于1体积%,优选小于0.3体积%。 β氮化硅颗粒至少10%,优选大于20%,纵横比大于3,优选大于5。β氮化硅颗粒的晶粒直径在0.2-10μm的范围内 m,优选0.2-5μm,最优选0.2-3μm。