Patent classifications
Y10T428/12618
ZINC-BASED PLATED STEEL SHEET HAVING POST-TREATED COATING FORMED THEREON AND POST-TREATMENT METHOD THEREFOR
Provided is a zinc-based plated steel sheet having a post-treated coating filmed thereon including: a steel sheet; a zinc plated layer formed on the steel sheet; and a post-treated coating formed on the plated layer, wherein the atomic ratio (O/M) of oxygen (O) to metals (M) contained in the post-treated coating is greater than 2 and less than 20, and a method for post-treating a zinc-based plated steel sheet. According to this, the zinc-based plated steel sheet having the post-treated coating formed thereon has the effects excellent in lubricity, weldability, adhesiveness, film-removing property and paintability. As the method of post-treating a zinc-based plated steel sheet of the present invention employs a simple coating method irrespective of the kind of plating layer, the process is simple and economical and the process operation cost is low.
Ferritic stainless steel foil
The ferritic stainless steel foil has a composition containing, by mass %, C: 0.050% or less, Si: 0.20% or less, Mn: 0.20% or less, P: 0.050% or less, S: 0.0050% or less, Cr: 10.5% or more and 20.0% or less, Ni: 0.01% or more and 1.00% or less, Al: more than 1.5% and less than 3.0%, Cu: 0.01% or more and 1.00% or less, N: 0.10% or less, and further contains one or more elements selected from Ti: 0.01% or more and 1.00% or less, Zr: 0.01% or more and 0.20% or less, and Hf: 0.01% or more and 0.20% or less, and the balance being Fe and inevitable impurities. This enables a composite layer of an Al oxide layer and a Cr oxide layer to be formed on the surface of the ferritic stainless steel foil in a high-temperature oxidizing atmosphere at 800 C. or more.
Turbine Clearance Control Coatings and Method
The present invention discloses a turbine engine with at least a high pressure and a low pressure turbine section comprising a casing and at least one turbine blade rotatably mounted within the casing wherein at least part of the inner surface of the casing is covered with shrouds as abradables to provide clearance control between the inner surface and the tip of the at least one blade and wherein the tip of the blade is coated G with a hard PVD coating, characterized in that the shroud material of at least the high pressure and/or the low pressure section comprises a porous ceramic based material and the hard PVD coating on the tip of the blade essentially consists of a droplet free nitride coating.
High strength aluminum alloy sheet for anodic oxide coated material and method of producing same and high strength anodic oxide aluminum alloy sheet
An aluminum alloy sheet which is high in strength and excellent in heat conductivity, and which can be given an anodic oxide coating with a white color and a suitable yellowishness is provided. An aluminum alloy ingot containing Mg: 0.80 to 1.8 mass %, Fe: 0.05 to 0.30 mass %, Si: 0.20 mass % or less, Cu: 0.03 to 0.15 mass %, Mn: 0.05 to 0.20 mass %, and Cr: 0.05 to 0.15 mass %, restricts Zn to less than 0.15 mass %, and balance of Al and unavoidable impurities is treated by holding it at 560 to 620 C. for 1 to 5 hours, then hot rolled and, either through or not through process annealing, and cold rolled by a final cold rolling reduction of 15 to 95% to obtain an aluminum alloy sheet which has a 0.2% yield strength of 180 MPa or more and a conductivity of 40 (IACS %) or more.
Spallation-resistant thermal barrier coating
A coated article has: a metallic substrate (22); a bondcoat (30); and a thermal barrier coating (TBC) (28). The bondcoat has a first layer (32) and a second layer (34), the first layer having a lower Cr content than the second layer.
Hot-dip galvanized steel sheet
A hot-dip galvanized steel sheet having a base steel sheet and a hot-dip galvanized layer, a ferrite phase is, by volume fraction, 50% or less in a range of ? thickness to ? thickness centered at a position of ? thickness from the surface of the base steel sheet, a hard structure is 50% or more, wherein the hot-dip galvanized steel sheet has the hot-dip galvanized layer in which Fe is 5.0% or less and Al is 1.0% or less, and columnar grains formed of a ? phase is 20% or more in an entire interface between the plated layer and the base steel sheet. On the surface of the base steel sheet, a volume fraction of a residual austenite is 3% or less.
METHOD FOR PRODUCING A CORROSION PROTECTION LAYER FOR THERMAL INSULATION LAYERS MADE OF HOLLOW ALUMINUM OXIDE BALLS AND GLASS LAYER AND COMPONENT AS WELL AS MATERIAL MIXTURE
Provided is a special type of corrosion protection for ceramic thermal insulation layers which is produced by joining hollow aluminum oxide particles and an outer glass layer, which is produced; in particular, by thermal treatment.
STEEL SHEET FOR CONTAINER AND METHOD FOR PRODUCING STEEL SHEET FOR CONTAINER
A steel sheet for a container includes a steel sheet, a Sn coated layer which is provided as an upper layer of the steel sheet and contains Sn in an amount of 560 to 5600 mg/m.sup.2 in terms of Sn metal, and a chemical treatment layer which is provided as an upper layer of the Sn coated layer and contains a Zr compound in an amount of 3.0 to 30.0 mg/m.sup.2 in terms of Zr metal and a Mg compound in an amount of 0.50 to 5.00 mg/m.sup.2 in terms of Mg metal.
Gold or silver metallized plastic product free of any gold and silver element and method for manufacturing it
The invention relates to a method for manufacturing a metallized plastic product with a gold or silver hue, comprising the steps: galvanization of a surface of the plastic body for forming a galvanized chromium layer; deposition by evaporation of a metal layer directly on the galvanized chromium layer, the metal being copper, a mixture of metals comprising at least 70% by weight of copper, a copper alloy comprising at least 70% by weight of copper, or aluminum. The invention also relates to a metallized plastic product (1) with a gold or silver hue, comprising a plastic body (2), a galvanized chromium layer (3, 4, 5, 6), and a metal layer (7), the metal being copper, a mixture of metals comprising at least 70% by weight of copper, an alloy containing copper in an amount of at least 70% by weight, or aluminum.
Environmental barrier coating
An article includes a substrate and a barrier layer on the substrate. The barrier layer includes a matrix, diffusive particles dispersed in the matrix, and gettering particles dispersed in the matrix. The gettering particles include at least one alloyed metal silicide. A composite material and a method of fabricating an article are also disclosed.