A zinc-plated steel sheet for hot stamping according to an aspect of the present invention includes a steel substrate and a plated layer provided on a surface of the steel substrate, in which the steel substrate contains, in % by mass, C: 0.10 to 0.5%, Si: 0.7 to 2.5%, Mn: 1.0 to 3%, and Al: 0.01 to 0.5%, with the balance being iron and inevitable impurities, and the steel substrate has, in the inside thereof, an internal oxide layer consists of an oxide containing at least one of Si and Mn having a thickness of 1 m or more, and a decarburized layer having a thickness of 20 m or less from an interface with the plated layer toward an internal direction of the steel substrate.

An encapsulation structure, an encapsulation method and an electronic device are provided. The encapsulation structure includes an inorganic layer, an aluminum carbon layer and an organic layer. The aluminum carbon layer is on the inorganic layer and contacts with the inorganic layer; the organic layer is on the aluminum carbon layer and contacts with the aluminum carbon layer.

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.

This Sn-plated steel sheet includes: a base plated steel sheet having a steel sheet, and a Sn-plated layer on at least one surface of the steel sheet; and a film layer which contains a zirconium oxide and a tin oxide and is positioned on the base plated steel sheet. An adhesion amount of Sn per surface of the Sn-plated steel sheet is 0.1 g/m.sup.2 or more and 15 g/m.sup.2 or less, an amount of the zirconium oxide in the film layer is in a range of 1 mg/m.sup.2 or more and 30 mg/m.sup.2 or less in terms of an amount of metal Zr, a peak position of a binding energy of Sn3d.sub.5/2 of the tin oxide by X-ray photoelectron spectroscopy in the film layer is within a range of 1.4 eV or more and less than 1.6 eV from a peak position of a binding energy of metal Sn, and a quantity of electricity required for reduction of the tin oxide is in a range of more than 5.0 mC/cm.sup.2 and 20 mC/cm.sup.2 or less.

A calcium-magnesium-alumino-silicate (CMAS)-reactive thermal barrier coating includes a ceramic coating and a CMAS-reactive overlay coating, wherein the CMAS-reactive overlay coating conforms to a surface of the ceramic coating and comprises a compound that forms a stable high melting point crystalline precipitate when reacted with molten CMAS at a rate that is competitive with CMAS infiltration kinetics into the thermal barrier coating. The ceramic coating phase is stable with the CMAS-reactive overlay coating.

[Object] To provide a zinc-based plated steel sheet excellent in coating film adhesiveness after hot pressing more conveniently. [Solution] A zinc-based plated steel sheet according to the present invention comprises: a zinc-based plated steel sheet that is a base metal; and a surface treatment layer formed on at least one surface of the zinc-based plated steel sheet, in which the surface treatment layer contains one or more oxides selected from titanium oxide, nickel oxide, and tin(IV) oxide each having a particle size of more than or equal to 2 nm and less than or equal to 500 nm, in a range of more than or equal to 0.2 g/m.sup.2 and less than or equal to 2 g/m.sup.2 per one surface.

A steel sheet for containers including a steel sheet, a Sn coated layer that is formed on at least one surface of the steel sheet, and a chemical treatment layer that is formed on the Sn coated layer. A variation amount in a yellowness index measured at one measurement point on the outermost surface of the chemical treatment layer is defined as YI, and represented by YI=YIYI.sub.0, wherein YI is the yellowness index measured after the steel sheet for containers is subjected to a retort treatment at a temperature of 130 C. for 5 hours, and YI.sub.0 is the yellowness index measured before the retort treatment. An average of absolute values of the YI obtained at a plurality of measurement points included in a unit area of the outermost surface is 5.0 or less.

A metal foil for electromagnetic shielding, comprising: a metal foil base having a thickness of exceeding 4 m, an alloy layer having an A element configured of Sn or In and a B element group selected from the group consisting of one or more of Ag, Ni, Fe and Co formed on one or both surfaces of the base, and an underlayer having the B element group formed between the alloy layer and the base, wherein an adhesion amount of the A element is 10 to 300 mol/dm.sup.2, and a total adhesion amount of the B element group is 40 to 900 mol/dm.sup.2.

A plated steel sheet for hot stamping including a base metal and a galvanized layer that is formed on a surface of the base metal, wherein the galvanized layer includes a galvannealed layer, a solidified zinc layer, and an oxide layer containing Al, in this order from the base metal, and a proportion of a content of Zn (g/m.sup.2) in the solidified zinc layer to a content of Zn (g/m.sup.2) in the galvanized layer is 10 to 95%.

A superalloy target wherein the superalloy target has a polycrystalline structure of random grain orientation, the average grain size in the structure is smaller than 20 m, and the porosity in the structure is smaller than 10%. Furthermore, the invention includes a method of producing a superalloy target by powder metallurgical production, wherein the powder-metallurgical production starts from alloyed powder(s) of a superalloy and includes the step of spark plasma sintering (SPS) of the alloyed powder(s).