A device for the production of a metallic strip using a rapid solidification technology is specified, which device includes a movable heat sink with an external surface onto which a melt is poured and on which the melt solidifies to produce the strip, and which device includes a rolling device which can be pressed against the external surface of the movable heat sink while the heat sink is in motion.

Zn alloy plated steel material having excellent weldability and processed-part corrosion resistance and a method for production of Zn alloy plated steel material are provided. In the Zn alloy plated steel material comprising base steel material and a Zn alloy plating layer, the Zn alloy plating layer includes, by wt %, Al: 0.1-5.0%, Mg: 0.1-5.0%, as well as a remainder of Zn and inevitable impurities. The Zn alloy plated steel material includes a lower interface layer and an upper interface layer between the base steel material and the Zn alloy plating layer, wherein the lower interface layer is formed on the base steel material and has a dense structure, and the upper interface layer is formed on the lower interface layer and has a network-type or island-type structure.

An aluminum can wherein, when the light reflected by the outer surface of the body portion of the aluminum can is evaluated based on the LCH method by using a multi-angle spectral colorimeter, the aluminum can features a ratio C.sub.15h/C.sub.15w of 0.6 to 1.4, the ratio C.sub.15h/C.sub.15w being that of a saturation value C.sub.15h of the light reflected at 15 degrees in the direction of height and a saturation value C.sub.15w of the light reflected at an angle 15 of degrees in the circumferential direction based on the light regularly reflected from the light that is incident at 45 degrees in the direction of height and in the circumferential direction.

Provided is a hot-dip galvanized steel sheet used for an automobile outer panel and so forth and, more specifically, to a method for producing a hot-dip galvanized steel sheet having excellent press formability and clarity after painting, and to a hot-dip galvanized steel sheet produced by the method.

A welded member includes a hot dip Zn-based alloy coated steel sheet as a base material and has excellent corrosion resistance and weld bead shear strength. In the welded member in which a lower sheet and an upper sheet, which are hot dip Zn-based alloy coated steel sheets, are stacked and arc-welded together, a weld bead is formed so that a cross-sectional width W satisfies the following formula 2TW6T, and a blowhole occupancy Br represented by the following formula (2) becomes not more than 50%: Br=(di/L)100, where T represents a thickness of the hot dip Zn-based alloy coated steel sheet, di represents a length of an i-th blowhole observed in X-ray radiography, and L represents a length of the weld bead.

A process for manufacturing a coated metal strip having a metallic corrosion protection coating is provided. The process includes passing a metal strip through a molten metal bath comprising from 2 to 8 wt % aluminum, 0 to 5 wt % magnesium, up to 0.3 wt % additional elements, and a balance including zinc and inevitable impurities, to yield a molten metal coated metal strip, wiping the molten metal coated metal strip with a nozzle spraying a gas on either side of the molten metal coated metal strip and cooling the coating in a controlled manner until the coating has completely solidified, to obtain the coated metal strip. A temperature of the molten metal bath is from 350 to 700 C., and the cooling is conducted at a rate less than 15 C./s between a temperature on leaving a unit where the wiping occurs and a start of solidification of the coating, and then at a rate greater than or equal to 15 C./s between a start and an end of solidification of the coating.

A coating system for a surface of a superalloy component is provided. The coating system includes a MCrAlY coating on the surface of the superalloy component, where M is Ni, Fe, Co, or a combination thereof. The MCrAlY coating generally has a higher chromium content than the superalloy component. The MCrAlY coating also includes a platinum-group metal aluminide diffusion layer. The MCrAlY coating includes Re, Ta, or a mixture thereof. Methods are also provided for forming a coating system on a surface of a superalloy component.

A steel sheet including an inner layer and a hard layer at one or both surfaces of the inner layer wherein the hard layer and the inner layer have predetermined compositions, each hard layer has a thickness of 20 m or more and of the total sheet thickness or less, the hard layer has an average micro-Vickers hardness of 400 HV or more and less than 700 HV, the hard layer has an N amount of 0.02% or less, the inner layer has an average micro-Vickers hardness of 80 HV or more and less than 400 HV, the inner layer has a carbide volume ratio of less than 2.00%, and the hard layer has a nanohardness standard deviation of 2.00 or less is provided.

A bioerodible endoprosthesis includes a bioerodible magnesium alloy including between 50 weight percent and 92 weight percent magnesium, at least 5.5 weight percent in sum of one or more elements selected from the group consisting of Ho, Er, Lu, Tb and Tm, and at least 2.0 weight percent in sum of one or more elements selected from the group consisting of Y, Nd and Gd. The bioerodible magnesium alloy has a microstructure including equiaxed Mg-rich solid solution-phase grains having an average grain diameter of less than or equal to 15 microns and second-phase precipitates and/or ceramic nanoparticles in grain boundaries between the equiaxed Mg-rich solid solution-phase grains. The secondary-phase precipitates or ceramic nanoparticles have an average longest dimension of 2.0 micron or less. The microstructure can be produced by one or more equal-channel high-strain processes.

A quasicrystal-containing plated steel sheet including: a plating layer positioned on at least one surface of a steel sheet; and an alloy layer positioned at an interface between the plating layer and the steel sheet and composed of an AlFe intermetallic compound. A chemical composition of the plating layer contains at least, in atom %, Zn: 28.5% to 50%, Al: 0.3% to 12%, and the balance: Mg and impurities, and the plating layer includes, in order from the steel sheet side, a first plating layer which is composed of a structure containing an MgZn phase, an Mg phase, and a quasicrystal phase, and a second plating layer which is positioned on the first plating layer and is composed of a structure containing an Mg.sub.51Zn.sub.20 phase, a Zn phase, and a quasicrystal phase.