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WO/1995/020256A1 |
A method of forming an erosion resistant coating on a spark plug electrode (10). The method comprises causing an adhesively coated web (36) which contains an erosion resistant material to adhere to a pre-selected area of the electrode (1...
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WO/1994/026948A1 |
An aqueous slurry process for producing a diffusion aluminide protective coating in superalloy articles, particularly on internal passages in superalloy articles. Aqueous slurry containing a source of aluminum in particulate form, an ine...
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WO/1994/025206A1 |
The invention relates to a body of the porous type, in particular suitable for use in a corrosive environment with a high temperature. According to the invention, the body is composed of a sintered material, substantially comprising a me...
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WO/1994/010357A1 |
A pack cementation coating tape such as a nickel aluminide coating tape includes a reactive metal such as aluminum, a filler such as aluminum oxide, and a halogen carrier such as ammonium chloride held together by fibrillated polytetrafl...
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WO/1994/007004A1 |
An improved aluminide coating especially for heat resistant superalloy substrates. Slurry coating compositions of eutectic metal alloy powders and of non-eutectic metal powders. A process for coating the substrates and the coated metal p...
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WO/1994/001594A1 |
The invention relates to a component made of an intermetallic compound of titanium and aluminium or alloys of such intermetallic compounds with alloying components as a raw material and with diffused aluminium coating of the raw material...
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WO/1994/000617A1 |
The method of preparing an adhesive layer on a substrate includes introducing a thermally reactive powder comprising aluminum and a second metal into a plasma torch, wherein the thermally reactive powder is substantially free of binder, ...
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WO/1993/023247A1 |
A silicon-enriched aluminide coating for a superalloy article has a composite microstructure including a plurality of bands of silicon rich phases (S1, S2, S3) and a plurality of bands of aluminum rich phases (A1, A2, A3), these bands be...
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WO/1993/018199A1 |
A superalloy turbine blade (10) has a MCrA1Y bond coating (22) and a thermal barrier coating (24). The thermal barrier coating (24) comprises a plurality of alternate layers (25, 27) which have different structure to produce a plurality ...
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WO/1993/017133A1 |
The present method of treating metal articles provides for dividing the working zone of the induction magnetic field into three consecutively located sections intended, respectively, for thermodiffusion, cooling and stabilizing for harde...
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WO/1993/003201A1 |
The invention relates to the refurbishing of a corroded superalloy or heat resistant steel part, in particular a gas turbine component like a gas turbine blade, having a surface with products of corrosion. According to the invention, the...
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WO/1993/002382A1 |
A method of loading a variable thickness infusible media (40) with a uniform concentration of a material (42) is disclosed. A method of loading a uniform thickness infusible media (50) with a variable concentration of material (42) is al...
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WO/1992/016670A2 |
Place an alloying metal or an inorganic compound containing an alloying metal in contact with at least a portion of the exterior surface of a densified cermet or ceramic body and then heat the cermet body or the ceramic body to a tempera...
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WO/1992/014863A1 |
A method and apparatus are provided for gas phase alloying of a molten metal or molten ceramic with an element (44) dissociated from a reactive gas (36). A plasma gun (18) is used to create a high temperature stream of inert which substa...
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WO/1992/014811A1 |
In a metal wire consisting of a substrate and a coating, the substrate is steel with a carbon content of at least 0.05 % and at most 0.6 %, said steel having a structure with over 90 % cold hardened annealed martensite. The substrate is ...
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WO/1992/008821A1 |
The invention concerns a device for coating, using gas diffusion, hollow workpieces, made of heat-resistant alloys of metals such as Ni, Co and Fe, whose outer and inner surfaces are linked to each other by bores. The workpieces are disp...
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WO/1992/007665A1 |
Pyrophorically activated aluminides of iron, nickel and cobalt, or mixtures thereof, are formed as discs or as coatings (14) on substrates (10) such as thin foils. The aluminide can be formed in situ by reacting aluminum powder with the ...
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WO/1992/003587A1 |
The present invention is designed to improve a method of deposition of coatings upon a metal or alloy substrate. The coating comprises aluminum or aluminide material interdiffused with a transition metal deposited by chemical vapor depos...
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WO/1992/000256A2 |
This invention relates generally to a novel directed metal oxidation process which is utilized to produce self-supporting bodies. In some of the more specific aspects of the invention, a parent metal (e.g., a parent metal vapor) is induc...
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WO/1992/000399A2 |
This invention relates generally to a reaction which occurs on the surface of a substrate body. Particularly, at least one solid oxidant is contacted with at least one parent metal to result in a reaction therebetween and the formation o...
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WO/1989/012701A1 |
An apparatus (10) and a method for applying a chromized coating (46, 60, 62, 66) to one or more of the surfaces of an article (44, 56, 58, 64) particularly in those situations in which the article (44, 56, 58, 64) is intended to be emplo...
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WO/1989/010340A1 |
Metals are made pyrophoric by diffusing aluminum or zinc into them and then leaching it out, or by reacting with aluminum and then leaching aluminum out. Powdered aluminum and powdered nickel, iron or cobalt, (110) can thus be carried on...
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WO/1988/003851A1 |
A process for manufacturing a heat exchanger made of aluminum by heat-brazing in a furnace of an inert gas atmosphere using a fluoride flux, which comprises placing Zn at a position of 430 to 620�C within the furnace to melt and evapor...
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WO/1987/006273A2 |
Coating to protect against wear and fretting corrosion of, in particular, metal mechanical components held together by frictional adherence, which are subjected to vibrations and made of the same material. Direct contact between the mati...
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WO/1987/005335A1 |
A method for improving the wear characteristics and corrosion resistance of a metal surface having the basic steps of: A) case hardening the metal surface by placing the metal in a fluidized bed and exposing it to a first atmosphere of n...
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WO/1987/002073A1 |
A method and apparatus of forming a layer of a carbide or nitride of, for example, titanium or vanadium on the surface of the material to be treated in a fluidized bed furnace. A refractory powder for forming a fluidized bed, a vessel or...
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WO/1986/002105A1 |
A thin steel plate manufactured through ordinary steps is placed in an atmosphere which contains SiCl4, and a silicon permeation treatment is effected at a silicon permeation temperature of 1100 to 1200oC for a predetermined period of ti...
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WO/1985/001071A1 |
The method for depositing a coating, primarily on a substrate made of carbon-containing material of a metal-cutting tool, provides for evaporating a carbide-forming material by means of an arc discharge in vacuum. Then, a working surface...
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WO/1985/000386A1 |
A solid solution iron-aluminum diffusion alloy coated steel strip is formed by hot-dip aluminum coating a cold rolled low alloy low carbon steel strip preferably having all the carbon in the steel combined with titanium by hot-dip alumin...
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WO/1985/000305A1 |
Coatings of a powdered protective metallic material or refractory material and mixtures thereof are formed on a ferrous metal strip as a wet film dispersion in a resin binder composition of a synthetic organic resin and a volatile organi...
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WO/1983/004055A1 |
The method provides for diffusive saturation of the surface of parts with silicon in order to form a diffusional layer thereon, and, in accordance to the invention, to saturate the surface of the parts with antifriction materials in the ...
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WO/1983/003988A1 |
High performance alloy structures are improved in corrosion and erosion and wear resistance characteristics by the incorporation of an interdispersed phase and a ternary or quaternary alloy of platinum, rhodium or palladium, the alloy ba...
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WO/1982/003027A1 |
Low alloy steels are made resistant to hot sulfidation first decarburizing then chromizing then aluminizing, either in independent operations or run together in a single retort.
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WO/1982/001726A1 |
In the method of forming diffusion coatings for improved corrosion, erosion or wear properties in high performance alloy structures, the coatings being characterized by the intimate presence of an interdispersed phase material in desired...
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WO/1982/000479A1 |
A device implementing a method for making a brass-plated lengthy article comprises a bath (3) with molten inorganic salts in which the surface of the workpiece (1) is degreased and pickled. Then after deposition on the surface of the wor...
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JP7455378B2 |
To provide a chain for a bicycle capable of attaining both low drive resistance and high structural strength, that is having high slidability, and excellent in refraction resistance.A surface of a pin 4 has a hardened layer 4a, and an in...
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JP2024036738A |
[Problem] Various heat-resistant tubular members such as thermocouple protection tubes that can obtain excellent high-temperature corrosion resistance and mechanical properties when used in an environment where heating and cooling are re...
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JP2024031057A |
[Problem] To manufacture a modified metal material with a small surface roughness while having properties equivalent to or better than conventional surface-treated steel materials by using steel materials with a large treated surface and...
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JP7439349B1 |
The present invention provides a method for producing dense and homogeneous high-silicon steel by molten salt electrolysis. [Solution] The present invention uses a low silicon steel having a Si content of 3.0 to 4.5 wt% as a base materia...
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JP2024005333A |
[Problem] Various metal substrates can be used, and a diffusion barrier function can be continuously obtained in a high-temperature oxidizing atmosphere or a high-temperature corrosive atmosphere, thereby forming a protective oxide film ...
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JP7369499B2 |
A heat-resistant alloy member comprising: a heat-resistant alloy substrate; Re-based, W-based, or Cr-based multipurpose alloy layer provided on the surface thereof in a region that comprises at least a region where thermal insulation sho...
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JP2023150695A |
To provide a method for manufacturing a modified metal material having the same properties or more as the conventional surface treated steel material and having a small surface roughness.A method for diffusing diffusion elements includin...
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JP2023131216A |
To improve lubrication performance.A housing 44 is used for a gear device 1 and includes an internal tooth space 44b sliding with an internal tooth pin 44a. The internal tooth space 44a has a surface layer part in which a molybdenum-cont...
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JP7334673B2 |
To provide a non-oriented electromagnetic steel sheet having a low high frequency iron loss.The non-oriented electromagnetic steel sheet has a Si content distribution having a Si content continuously reducing from the surface toward the ...
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JP7331802B2 |
To provide a non-oriented electrical steel sheet and a manufacturing method thereof to which tension force is applied without formation of an oxide layer on a steel sheet surface.A non-oriented electrical steel sheet comprises a componen...
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JP2023089963A |
To provide a highly-strong duplex stainless steel excellent in corrosion resistance and processability; and to provide a manufacturing method thereof.A duplex stainless steel has a metallographic structure in which the area ratio of a fe...
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JP7295956B2 |
An oriented electrical steel sheet according to an embodiment of the present invention includes: a base texture; an Al permeation layer positioned on the base texture; and a film positioned on the Al permeation layer, wherein the Al perm...
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JP7268983B2 |
To provide a construction material having rust-prevention properties and having excellent bondability between a ferrous metal member and another member.A construction material has a ferrous metal member (A) with a nitride layer having a ...
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JP2023056223A |
To provide a slide bearing excellent in non-seizure property.The slide bearing comprises a base layer and a coating layer. The coating layer comprises at least two overlay layers and an intermetallic compound-containing layer each of whi...
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JP7254526B2 |
To provide a magnetic steel sheet laminate which is reduced in core loss furthermore and increased in strength.A method for manufacturing a magnetic steel sheet laminate 71 includes: manufacturing an initial magnetic steel sheet laminate...
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