摘要:
The present invention relates to a metallic coating to be deposited on gas turbine engine components. The metallic coating comprises up to 18 wt% cobalt, 3.0 to 18 wt% chromium, 5.0 to 15 wt% aluminum, 0.1 to 1.0 wt% yttrium, up to 0.6 wt% hafnium, up to 0.3 wt% silicon, 3.0 to 10 wt% tantalum, up to 9.0 wt% tungsten, 1.0 to 6.0 wt% rhenium, up to 10 wt% molybdenum, and the balance nickel.
摘要:
A shield (2) restricts the circulation of a metal bearing gas around the platform surface (8) of a turbine blade (1) so that the gas deposits a thinner coating on the platform surface (8) than on the airfoil surface (6), whereby the coating is thick enough to provide desired corrosion and oxidation resistant properties for the airfoil surface (6), but is thin enough to prevent the platform surface (8), where stress forces are greatest, from becoming too brittle. The shield (12) may be modified to cover only the high pressure side of the platform surface (8).
摘要:
An oxidation resistant structure is taught comprising a Ti alloy substrate and a uniform coating of a Cu alloy deposited on the substrate, wherein the Cu alloy comprises Cu and from 0 to 10 wt% Al and from 0 to 6 wt% Si and the percentages of Al and Si are not simultaneously zero, the structure having substantially no intermetallic compound formation and substantially no diffusion of coating constituents in the substrate.
摘要:
A vapor deposition production system (10) for coating substrates (12) is provided which includes a plurality of vapor deposition coaters (14), a plurality of platters (16), a platter docking station (18), a shuttle track (20), and apparatus for transporting the platters between the coaters and the platter docking station. The shuttle track connects the platter docking station and the coaters. Platters selectively removed from the coaters are transported along the shuttle track to the platter docking station where processed substrates are unloaded from the platters and unprocessed substrates loaded on to the platters.
摘要:
According to the present invention, an apparatus (10) for applying material by cathodic arc vapor deposition to a substrate (12) is provided which includes a vessel (14), apparatus (16) for maintaining a vacuum in the vessel, an annular cathode (18) having a bore (46) and an evaporative surface (44) extending between first (40) and second (42) end surfaces, apparatus (24) for selectively sustaining an arc of electrical energy between the cathode and a anode, and apparatus for driving the arc around the evaporative surface. The apparatus for driving the arc is positioned within the cathode bore, and produces a magnetic field that runs substantially parallel to the evaporative surface. The annular cathode is disposed radially inside of, and aligned with, the substrates inside the vessel.
摘要:
The present invention relates to a metallic coating to be deposited on gas turbine engine components. The metallic coating comprises up to 18 wt% cobalt, 3.0 to 18 wt% chromium, 5.0 to 15 wt% aluminum, 0.1 to 1.0 wt% yttrium, up to 0.6 wt% hafnium, up to 0.3 wt% silicon, 3.0 to 10 wt% tantalum, up to 9.0 wt% tungsten, 1.0 to 6.0 wt% rhenium, up to 10 wt% molybdenum, and the balance nickel.