摘要:
The present invention relates to a cutting tool insert for machining by chip removal comprising a body of a hard alloy of cemented carbide, cermet, ceramics or cubic boron nitride based material onto which a hard and wear resistant coating is deposited by CVD. Said coating comprises at least one multitextured α-Al 2 O 3 layer with a thickness between 0.5 µm and 30 µm characterized with an ODF texture index >1 and at least two dominant texture components with 2
摘要翻译:本发明涉及一种用于通过切屑去除加工的切削刀具刀片,包括硬质合金,金属陶瓷,陶瓷或立方氮化硼基材料的硬质合金体,其上通过CVD沉积硬且耐磨的涂层。 所述涂层包括厚度在0.5μm和30μm之间的至少一个多层±±Al 2 O 3层,其特征在于ODF结构指数> 1,并且至少两个具有2
摘要:
The present invention relates to a method for depositing a hard and wear resistant layer onto a tool body (1) of a hard alloy of, for example, cemented carbide, cermet, ceramics, cubic boron nitride based material or high speed steel. The method comprises depositing the layer by highly ionised physical vapour deposition using elemental, composite and/or alloyed source material comprising the elements Me, where Me is one or more of Ti, V, Cr, Y, Zr, Nb, Mo, Hf, Ta, W, B, Al, Si, and C, using a process gas comprising one or more of the elements C, N, O, and S, preferably one or more of C, N, and O, and applying a first substrate bias potential, U b1 , where -900 V b1 hi , i=1,2,3,..., of the total layer deposition time, D tot , where D hi > 0.05D tot . The invention also relates to a cutting tool for metal machining by chip removal, wherein said tool comprises a tool body (1) of a hard alloy of, for example, cemented carbide, cermet, ceramics, cubic boron nitride based material or high speed steel, onto at least part of which a hard and wear resistant coating is deposited, wherein said coating comprises at least one layer (2) deposited according to the method.
摘要:
The present invention relates to a cutting tool insert comprising a body of cemented carbide, cermet, ceramics, cubic boron nitride based material or high speed steel and on which at least on the functioning parts of the surface thereof, a hard and wear resistant coating is applied by cathodic are evaporation. Said coating comprises laminar binary and ternary polycrystalline metal nitrides layers with a repetitive form A/B/A/C/A/B/A/C/... with a total laminar coating thickness of 0.5 to 10 µm. Layer A is MeN and where Me is one or more of the metal element Ti, Nb, Hf, V, Ta, Zr, Cr or Al. Layer B is (Ti 1-x Al x )N, 0.3 1-y Si y )N, 0.04 A ) is 2 A B ) 4 B C ) 4 C
摘要翻译:本发明涉及包括硬质合金,金属陶瓷,陶瓷,立方氮化硼基材料或高速钢的主体的切削工具刀片,并且其表面的至少在其表面的功能部分上是硬的和耐磨的涂层 通过阴极施加蒸发。 所述涂层包括具有重复形式A / B / A / C / A / B / A / C / ...的层状二元和三元多晶金属氮化物层,其总层叠厚度为0.5至10μm。 层A是MeN,其中Me是金属元素Ti,Nb,Hf,V,Ta,Zr,Cr或Al中的一种或多种。 层B为(Ti 1-x Al x)N,0.3
摘要:
The present invention relates to a cutting tool insert comprising a body of a hard alloy of cemented carbide, cermet, ceramics, cubic boron nitride based material or high speed steel a hard and wear resistant coating, comprising one or several layers, at least one of which an (Al,Cr) 2 O 3 layer is applied. This invention is particularly useful for machining of cast iron. The coating, with a total thickness of 2-20 µm comprises one or several layers, at least one of which is an (Al,Cr) 2 O 3 layer with a thickness of 1-5 µm having a corundum phase crystalline structure and a composition (Al 1-y Cr y ) 2 O 3 with 0.4≤y≤0.6. The (Al,Cr) 2 O 3 layer is further characterized having a fiber texture with rotational symmetry in the direction of the coated surface normal with an inclination angle, ϕ, of the basal planes relative to the coated surface normal or the inclination angle, ϕ, for the highest peak in the pole plot with 40°
摘要:
The present invention relates to a cutting tool insert comprising a body of cemented carbide, cermet, ceramics, cubic boron nitride based material or high speed steel and on which at least on the functioning parts of the surface thereof, a hard and wear resistant coating is applied by cathodic are evaporation. Said coating comprises laminar binary and ternary polycrystalline metal nitrides layers with a repetitive form A/B/A/C/A/B/A/C/... with a total laminar coating thickness of 0.5 to 10 µm. Layer A is MeN and where Me is one or more of the metal element Ti, Nb, Hf, V, Ta, Zr, Cr or Al. Layer B is (Ti 1-x Al x )N, 0.3 1-y Si y )N, 0.04 A ) is 2 A B ) 4 B C ) 4 C
摘要:
The present invention relates to a cutting tool insert comprising a body of a hard alloy of cemented carbide, cermet, ceramics, cubic boron nitride based material or high speed steel a hard and wear resistant coating, comprising one or several layers, at least one of which an (Al,Cr) 2 O 3 layer is applied. This invention is particularly useful for machining of steel and stainless steel. The coating, with a total thickness of 1 - 20 µm comprises one or several layers, at least one of which is an (Al,Cr) 2 O 3 layer with a thickness of 0.5 - 10 µm having a corundum phase crystalline structure and a composition (Al 1-y Cr y ) 2 O 3 with 0.5≤y≤0.7. The (Al,Cr) 2 O 3 layer is further characterized having a fiber texture with rotational symmetry in the direction of the coated surface normal with an inclination angle, ϕ, of the basal planes relative to the coated surface normal or the inclination angle, ϕ, for the highest peak in the pole plot with 0°
摘要翻译:本发明涉及一种切削工具刀片,其包括由硬质合金,金属陶瓷,立方氮化硼基材料或高速钢,硬质和耐磨涂层组成的硬质合金体,包括一层或多层,至少一层 其中施加(Al,Cr)2 O 3层。 本发明特别适用于钢和不锈钢的加工。 总厚度为1-20μm的涂层包括一层或几层,其中至少一层是具有刚玉相结晶结构的厚度为0.5-10μm的(Al,Cr)2 O 3层,和 组成(Al 1-y Cr y)2 O 3,0.5‰‰‰0.7。 (Al,Cr)2 O 3层的特征还在于具有在涂覆表面方向上具有旋转对称性的纤维织构,其基底相对于涂覆表面法线或倾斜角度的倾斜角, Õ,对于通过例如电子背散射衍射(EBSD)或X射线衍射(XRD)确定的0°<Õ<20°的极点中的最高峰。
摘要:
The present invention relates to a cutting tool insert machining by chip removal comprising a body of a hard alloy of cemented carbide, cermet, ceramics, cubic boron nitride based material or high speed steel, onto which a hard and wear resistant coating is deposited by physical vapor deposition (PVD) Said coating comprises at least one polycrystalline nanolaminated structure comprising sequences of alternating A and B layers, where said layer A is (Al x1 Me 1-x1 )N y1 with 0.3 1-x2-z2 Si x2 Me2 z2 )N y2 with 0