A process for fabricating a steel sheet is provided. The process includes soaking a steel sheet. The steel has a composition including iron, carbon, manganese, silicon, aluminum, sulfur, phosphorus and nitrogen and at least one metallic element X chosen among vanadium, titanium, niobium, molybdenum, and chromium. A quantity X.sub.p of metallic element under the form of carbides, nitrides or carbonitrides is, by weight:
0.030%V.sub.p0.40%;
0.030%Ti.sub.p0.50%;
0.040%Nb.sub.p0.40%;
0.14%Mo.sub.p0.44%; or
0.070%Cr.sub.p0.6%.
The soaking step occurs under a pure nitrogen or argon atmosphere with a dew point lower than 30 C. at a soaking temperature between 250 and 900 C. and with a dynamic circulation of a regenerated atmosphere.

The described embodiments relate generally to aluminum films and methods for forming aluminum films. Methods involve providing aluminum films having increased hardness. Methods involve using higher than conventional current densities during plating of aluminum on substrates. The higher current density plating creates aluminum films with grain structures that are different from conventional plated aluminum films. In some embodiments, the average grain sizes are smaller in the hard aluminum films than conventional plated aluminum films. In some embodiments, the plated aluminum layer is anodized. In some embodiments, a multi-layered aluminum coating is formed using a combination of high current density and low current density plating. In some embodiments, a current filter is used to provide uniform plating across a part.

A metallic structure includes a first plurality of metal particles arranged in an amorphous structure; a second plurality of metal particles arranged in a crystalline structure having at least two grain sizes, wherein the crystalline structure is arranged to receive the amorphous structure deposited thereon; wherein the grain size is arranged in a gradient structure.

[Object] To provide a plated steel sheet excellent in heat resistance and productivity and a method for producing the same.

[Solution] According to an aspect of the present invention, there is provided a plated steel sheet including: a steel sheet; and an alloy plating layer formed on a surface of the steel sheet, in which the alloy plating layer consists of, in mass %, Cr: 5 to 91%, Fe: 0.5 to 10%, and the balance: Ni and unavoidable impurities, the Ni concentration in the alloy plating layer gradually decreases from an outermost surface of the alloy plating layer to a side of the steel sheet, the ratio of the Ni concentration to the Cr concentration is Ni/Cr>1 in an area extending 300 nm or more from the outermost surface of the alloy plating layer, the Fe concentration in the alloy plating layer gradually decreases from the side of the steel sheet to the outermost surface of the alloy plating layer, the Fe concentration in the outermost surface of the alloy plating layer is 0.5% or less, the total thickness of an alloy layer formed in the alloy plating layer and containing Cr and Fe is 500 to 2000 nm, and the total amount of the alloy plating layer deposited to the steel sheet is 4.5 to 55.5 g/m.sup.2.

A scale-style micro-texture electrode wire material and a preparation method therefor and use thereof. In particular, the electrode wire material has a scale-style micro-texture layer on the surface, and the electrode wire material comprises: i) an alloy substrate layer as an inner layer; ii) an interdiffusion layer as an intermediate layer; and iii) a plating layer as an outer layer; and a contact angle of the electrode wire material to a cooling liquid is 105-150. A method for preparing the electrode wire material and a use thereof. Due to the special surface bionic structure, the electrode wire can obviously reduce the cutting resistance and improve the cooling speed, thereby improving the cutting speed and effectively improving the use performance of the electrode wire. The preparation method has the characteristics of simple process and easy for industrial production.

Provided are plated steel sheets for hot press forming, hot press formed parts, and manufacturing methods thereof, the plated steel sheets comprising: a base steel sheet comprising, in weight %, C: 0.07 to 0.5%, Si: 0.05 to 1%, Mn: 0.5 to 5%, P: 0.001 to 0.015%, S: 0.0001 to 0.02%, Al: 0.01 to 0.18, Cr: 0.01 to 1%, N: 0.001 to 0.02%, Ti: 0.1% or less, B: 0.01% or less, Sn: 0.01 to 0.1%, and a balance of Fe and inevitable impurities; an aluminum or aluminum alloy plating layer disposed on at least one surface of the base steel sheet; and an Sn-enriched layer provided between the base steel sheet and the plating layer, wherein the Sn-enriched layer satisfies a specific relationship.

A nickel-based superalloy part includes a nickel-based superalloy substrate, and a metal sublayer covering the substrate, wherein the metal sublayer includes a first and a second layer, the first layer being located between the substrate and the second layer, the first layer including a first -Ni.sub.3Al phase and a second -Ni phase, the second layer including a first -Ni.sub.3Al phase, a second -Ni phase and a third -NiAl phase, the average atomic fraction of aluminum in the second layer being strictly greater than the average atomic fraction of aluminum in the first layer.

The present invention discloses a plasma non-stick pan and manufacturing method thereof. The plasma non-stick pan comprises a pan body and a non-stick layer applied to the pan body; a plasma layer is provided between the non-stick layer and the pan body, and the plasma layer comprises a MCrALY layer sprayed to the surface of the pan body and a mixture layer sprayed outside of the MCrALY layer, and the mixture layer is composed of MCrALY particles and metal oxide particles. The MCrALY layer has good toughness and strong adhesion, and it is easy to bind with the substrate with high fastness after binding, playing a buffering role and laying a foundation for the subsequent spraying of mixture layer.

A wear resistant friction coating (WRFC) can be applied on a lightweight metallic substrate, by applying a cold gas dynamic spray bond coat containing more iron than any other single element directly onto a surface of the substrate, and thermal spraying the WRFC coating over the bond coat to a thickness of at least 500 m. Corrosion resistance, adhesion, thermal cycling resistance, and wear resistance have been demonstrated.

A method for the hot-dip coating of metal strip, in particular steel strip, in a metallic melting bath (3) is disclosed. In the method, the metal strip (1) to be coated is heated in a continuous furnace (2) and is introduced into the melting bath (3) through a snout (6) which is connected to the continuous furnace and which is immersed into the melting bath. To be able to satisfy the requirements placed on the coated strip (1) with regard to good deformability of the strip, as far as possible without cracking and peeling, and with regard to high anti-corrosion protection in a more effective and reliable manner, the disclosure proposes that, in the region delimited by the snout (6), a melt is used which is intentionally implemented differently, in terms of its chemical composition, than the chemical composition of the melt used in the melting bath (3).