Abstract

A material for water droplet erosion- and corrosion-resistant coatings, comprising metallic tungsten alloyed with carbon in a substantially uniform nano-structure that is substantially free of oxygen, other than at surface portions exposed to air or moisture. The coatings disclosed may be particularly resistant to water droplet erosion when coated onto gas or steam turbine blades.

IPC Classes  ?

• F01D 5/28 - Selecting particular materialsMeasures against erosion or corrosion
• C22C 19/07 - Alloys based on nickel or cobalt based on cobalt
• C22C 27/04 - Alloys based on tungsten or molybdenum
• C22C 29/08 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
• C23C 16/08 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of metallic material from metal halides
• C23C 16/32 - Carbides
• C23C 16/44 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
• C23C 28/02 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and only coatings of metallic material

Abstract

A material for water droplet erosion- and corrosion-resistant coatings, comprising metallic tungsten alloyed with carbon in a substantially uniform nano-structure that is substantially free of oxygen, other than at surface portions exposed to air or moisture. The coatings disclosed may be particularly resistant to water droplet erosion when coated onto gas or steam turbine blades.

IPC Classes  ?

• C23C 16/14 - Deposition of only one other metal element
• C23C 16/02 - Pretreatment of the material to be coated
• C23C 16/30 - Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
• C23C 28/02 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and only coatings of metallic material
• F01D 5/28 - Selecting particular materialsMeasures against erosion or corrosion
• C23C 30/00 - Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
• B32B 15/00 - Layered products essentially comprising metal
• C22C 27/04 - Alloys based on tungsten or molybdenum
• C22C 32/00 - Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
• B32B 15/01 - Layered products essentially comprising metal all layers being exclusively metallic
• C22C 19/07 - Alloys based on nickel or cobalt based on cobalt
• C22C 38/40 - Ferrous alloys, e.g. steel alloys containing chromium with nickel

Abstract

A coating on mono- or poly-crystalline diamond or diamond-containing material includes a first adhesive layer formed directly on the diamond or diamond-containing material, the first layer including tungsten and tungsten carbide alloyed with fluorine in an amount of 0.001 to 0.12 wt % calculated on the total weight of the first layer. The coating further includes a second protective layer formed on the first layer, the second layer including at least tungsten alloyed with fluorine in an amount of 0.001 to 0.12 wt % calculated on the total weight of the second layer. The adhesive layer provides excellent bond strength to diamond, while the protective layer provides good protection against oxidation and molten metals used for attaching the coated diamonds to tools.

IPC Classes  ?

• B24D 3/06 - Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special natureAbrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic
• B24D 18/00 - Manufacture of grinding tools, e.g. wheels, not otherwise provided for
• C23C 16/30 - Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
• C04B 41/00 - After-treatment of mortars, concrete, artificial stone or ceramicsTreatment of natural stone
• C04B 41/52 - Multiple coating or impregnating
• C23C 28/00 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and
• C04B 41/90 - Coating or impregnating for obtaining at least two superposed coatings having different compositions at least one coating being a metal
• C23C 16/02 - Pretreatment of the material to be coated
• C23C 16/14 - Deposition of only one other metal element
• C09K 3/14 - Anti-slip materialsAbrasives
• C04B 41/51 - Metallising
• C23C 12/02 - Diffusion in one step
• C23C 28/02 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and only coatings of metallic material
• C23C 24/08 - Coating starting from inorganic powder by application of heat or pressure and heat
• B24B 1/00 - Processes of grinding or polishingUse of auxiliary equipment in connection with such processes

Abstract

There is discloses a coating on mono- or poly-crystalline diamond or diamond-containing material. The coating comprises a first adhesive layer formed directly on the diamond or diamond-containing material, the first layer comprising tungsten and tungsten carbide alloyed with fluorine in an amount of 0.001 to 0.12wt% calculated on the total weight of the first layer. The coating further comprises a second protective layer formed on the first layer, the second layer comprising at least tungsten alloyed with fluorine in an amount of 0.001 to 0.12wt% calculated on the total weight of the second layer. The adhesive layer provides excellent bond strength to diamond, while the protective layer provides good protection against oxidation and molten metals used for attaching the coated diamonds to tools.

IPC Classes  ?

• C23C 16/14 - Deposition of only one other metal element
• C23C 16/30 - Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
• C23C 24/08 - Coating starting from inorganic powder by application of heat or pressure and heat
• C09K 3/14 - Anti-slip materialsAbrasives
• C04B 41/51 - Metallising

Abstract

A wear-, erosion- and chemically-resistant material containing tungsten alloyed with carbon, the carbon being present in an amount of 0.01 wt % up to 0.97 wt % of the total weight, wherein the material preferably comprises a matrix of metallic tungsten with dispersed tungsten carbide nanoparticles having a particle size not greater than 50 nanometers, preferably not greater than 10 nanometers. The material is optionally also alloyed with fluorine, the fluorine being present in an amount of 0.01 wt % up to 0.4 wt % of the total weight. The material is extremely hard and tough.

IPC Classes  ?

• B32B 9/00 - Layered products essentially comprising a particular substance not covered by groups
• C23C 16/32 - Carbides

Goods & Services

Synthetic diamonds for use in machine tools Synthetic diamonds for use in hand tools

Goods & Services

Based on 44(e) Treatment and coating of tools, diamond tools, knives, cuffing implements, pumps, pump components, valves, hydraulic systems, vehicles and vehicle parts, earth-moving machinery and earth-moving machinery parts, moulds and dies, bearings, [ medical devices and implants, ] aeronautical and aerospace parts, aluminum, steel, construction and building materials, and food processing components with tungsten or tungsten carbide Based on 44(e) Chemicals for use in the manufacture of a hard coating; chemicals used with tungsten or tungsten carbide for use in the manufacture of a hard coating; chemicals used in hardening preparations all for use in the industries of surface engineering, oil and gas, tools manufacture, namely, diamond tools, knives and cutting tools, paper-making, plastics processing, paint and pigmentation, pumps and pump components, valves and hydraulic systems, vehicle and earth-moving machinery components, molds and dies for materials forming industries, bearings production, power engineering, [ medical devices and implants, ] aeronautic, aerospace, chemical engineering, aluminum industry, steel industry, construction industry, building materials production, heat treatment and food processing industries Based on 44(e) Rust preservatives in the nature of a coating

Goods & Services

Chemicals used in industry; tempering and soldering preparations; hardening preparations. Preservatives against rust; preparations for use against deterioration of metals, ceramics and similar materials; metal hardening preparations. Synthetic diamonds for use in machine tools. Synthetic diamonds for use in hand tools. Treatment of materials.