Patent classifications
C23C14/0021
Coated tool and cutting tool including same
A coated tool may include a base member and a coating layer located on the base member. The coating layer may include a plurality of AlTi layers and a plurality of AlCr layers. The AlTi layers may include at least one kind selected from nitride, carbide or carbonitride, each including aluminum and titanium. The AlCr layers may include at least one kind selected from nitride, carbide or carbonitride, each including aluminum and chromium. The coating layer may include a laminate structure in which the AlTi layers and the AlCr layers are alternately laminated one upon another. The AlCr layers may include a first AlCr layer and a second AlCr layer located farther away from the base member than the first AlCr layer. A content ratio of chromium in the second AlCr layer may be higher than a content ratio of chromium in the first AlCr layer.
Method For Producing Improved Cold-Forming Tools For High-Strength And Super-High-Strength Steels, And Cold-Forming Tool
The invention relates to a method for producing a cold forming tool, particularly for cold forming super-high-strength steels, wherein the cold forming tool is the upper and/or lower tool of a forming tool set, wherein the cold forming tool is made of a metal material and has a forming surface that is designed so that a formed metal sheet has the desired final contour of the component, characterized in that a hard material layer is deposited on the forming surface of the forming tool by means of physical gas-phase deposition, wherein the hard material layer consists of a titanium nitride adhesive layer and alternating layers of aluminum titanium nitride and aluminum chromium nitride deposited thereon, wherein a titanium nitride top layer or alternatively a titanium carbon nitride top layer is deposited as the final layer as the outermost outer surface oriented toward a workpiece that is to be formed.
Hard film having excellent wear resistance and toughness
The present invention relates to a hard film having improved wear resistance and improved toughness. A hard film according to the present invention is formed by using a PVD method on a surface of a base material, wherein: the hard film includes a first hard layer and a second hard layer; the first hard layer has a thickness of approximately 0.1-3.0 μm and is composed of Ti.sub.1-aAl.sub.aN (0.3≤a≤0.7), and has a single phase structure; and the second hard layer has a thickness of approximately 0.5-10 μm and is composed of Ti.sub.1-a-bAl.sub.aMe.sub.bN (0.3≤a≤0.7, 0≤b≤0.05, the Me being at least one selected from V, Zr, Si, Nb, Cr, Mo, Hf, Ta and W); according to an XRD phase analysis method, a ratio ([200]/[111]) of the intensity of a [200] peak to the intensity of a [111] peak is approximately 1.5 or higher; the second hard layer preferentially grows in a [200] direction; the [200] peak is located at approximately 42.7°-44.6° and is composed of three phases, and the [111] peak is located at approximately 37.0°-38.5° and is composed of three phases; and when a peak having a largest intensity among the peaks of the three phases is a main peak and remaining peaks are sub-peaks, a ratio (main peak/sub-peaks) of the intensity of the main peak to the intensities of the sub-peaks in a [200] face is approximately 2 or higher, and a ratio (main peak/sub-peaks) of the intensity of the main peak to the intensities of the sub-peaks in a [111] face is approximately 2 or higher.
Cutting tool and method for manufacturing the same
A cutting tool includes a base material, and a coating film covering the base material in contact with the base material. The base material is a cubic boron nitride sintered material. The coating film is a ceramic. An amount of oxygen in the coating film is less than or equal to 0.040 mass percent.
Methods and apparatus comprising a first conduit circumscribed by a second conduit
A fluid distributor comprises a first conduit extending along a first elongated axis and a second conduit circumscribing the first conduit. A first area comprises a cross-sectional flow area of the first conduit taken perpendicular to the first elongated axis. The first conduit comprises a first plurality of orifices comprising a first combined cross-sectional area. The second conduit comprises a second plurality of orifices comprising a second combined cross-sectional area. A first ratio of the first area to the first combined cross-sectional area can be about 2 or more. A second ratio of the first combined cross-sectional area to the second combined cross-sectional area can be about 2 or more. An angle between a direction of an orifice axis of a first orifice of the first plurality of orifices and a direction of an orifice axis of a first orifice of the second plurality of orifices can be from about 45° to 180°.
PROTECTIVE LAYER AGAINST ENVIRONMENTAL INFLUENCES (ENVIRONMENTAL BARRIER LAYER) FOR Tl-AL MATERIAL
A surface coating for protecting substrates with Ti—Al material, preferably comprising one or more of the materials from table 1, wherein the coating comprises a layer sequence with at least one layer which forms a diffusion barrier for Ti, preferably according to one or more of the layer sequences specified in table 1 in rows, and wherein the coating comprises an oxidation barrier which is in particular adjusted to the diffusion barrier and preferably adjusted according to table 2, and in particular wherein the surface coating comprises a thermal barrier which is preferably adjusted to the oxidation barrier according to table 3.
CUTTING TOOL
A cutting tool includes a substrate and a coating film that is disposed on the substrate, wherein the coating film includes a first layer composed of metal tungsten and hexagonal ditungsten carbide, and the first layer has an elastic deformation rate of 43.0 or more and 58.0 or less.
WEAR AND/OR FRICTION REDUCTION BY USING MOLYBDENUM NITRIDE BASED COATINGS
A component including a substrate surface coated with a coating including at least one MoN layer having a thickness not less than 40 nm. Between the substrate surface and the at least one MoN layer the component includes: i) a substrate surface hardened layer, which is a hardened, nitrogen-containing substrate surface layer that is the result of a nitriding treatment carried out at the substrate surface and has a thickness not less than 10 nm, preferably not less than 20 nm and not greater than 150 nm, and/or ii) a layer system composed of more than 2 MoN layers and more than 2 CrN layers, wherein the MoN and CrN layers forming the layer system are individual layers deposited alternatingly one on each other forming a multilayer MoN/CrN coating film.
Coating, method for coating, and coated cutting tool
A coating includes a first base layer including a nitride of at least Al and Cr, a second base layer including a nitride of at least Al and Cr overlying the first base layer, and an outermost indicator layer overlying the second base layer. The first base layer has a positive residual compressive stress gradient. The second base layer has substantially constant residual compressive stresses. The outermost indicator layer includes a nitride of Si and Me, wherein Me is at least one of Ti, Zr, Hf, and Cr. The outermost indicator layer has residual compressive stresses that are less than the residual compressive stresses of the second base layer.
FILM FORMATION APPARATUS
The invention provides a film formation apparatus that includes: a transfer unit that transfers a substrate; a film formation unit that forms an electrolyte film on a film formation region of the substrate transferred by the transfer unit; and an extraneous-material removal unit that comes into contact with the electrolyte film of the substrate transferred by the transfer unit after film formation of the film formation unit and thereby removes extraneous materials contained in the film formation region.