Disclosed is a hot-pressed steel sheet member having a tensile strength of 1780 MPa or more and excellent bending collapsibility. The hot-pressed steel sheet member includes: a specific chemical composition; a microstructure in which an average grain size of prior austenite grains is 8 μm or less, a volume fraction of martensite is 90% or more, and a solute C content is 25% or less of a total C content; and a tensile strength of 1780 MPa or more.

An electrical composite assembly includes a plurality of composite material macro-wires each including a magnetic material embedded within a nonmagnetic matrix. The magnetic material can be selected from magnetic microwires, magnetic nanowires, chains of magnetic nanoparticles, and chains of magnetic microparticles. The plurality of composite material macro-wires are included in an electrical component, where the electrical component is selected from a rotor, a stator, and an electromagnetic shield.

Disclosed are a magnetic particle and a security ink containing the same. The magnetic particle includes a magnetic core, and a metal coating layer formed outside the magnetic core. The magnetic particle has a surface roughness (Ra) of 0.15 μm or less. The magnetic particle according to the present invention is suitable for application to a security ink because an abnormal increase in particle size does not occur after the metal coating layer is formed.

A high-strength cold-rolled steel sheet or high-strength coated steel sheet that has a tensile strength (TS) of 780 MPa or more and has high ductility, stretch-flangeability, and in-plane stability of stretch-flangeability and methods for producing the same. The high-strength cold-rolled steel sheet has a specified chemical composition and a microstructure comprising, by area fraction, in a range of 50% to 80% of ferrite, 8% or less of martensite with an average grain size of 2.5 μm or less, in a range of 6% to 15% of retained austenite, and in a range of 3% to 40% of tempered martensite. A ratio f.sub.M/f.sub.M+TM being 50% or less, where f.sub.M denotes the area fraction of martensite and f.sub.M+TM denotes the total area fraction of martensite and tempered martensite, and a standard deviation of the grain size of martensite at certain portions being 0.7 μm or less.

A metal plate includes a surface including a longitudinal direction of the metal plate and a width direction orthogonal to the longitudinal direction. A surface reflectance by regular reflection of a light is 8% or more and 25% or less. The surface reflectance is measured when the light is incident on the surface at an angle of 45°±0.2°. The light is in at least one plane orthogonal to the surface.

A method for manufacturing a metal plate, the metal plate including a first surface and a second surface positioned on the opposite side of the first surface, may include a step of rolling a base metal having an iron alloy containing nickel to produce the metal plate. The metal plate may include particles containing as a main component an element other than iron and nickel. In a sample including the first surface and the second surface of the metal plate, the following conditions (1) and (2) regarding the particles may be satisfied: (1) The number of the particles having an equivalent circle diameter of 1 μm or more is 50 or more and 3000 or less per 1 mm.sup.3 in the sample, and (2) The number of the particles having an equivalent circle diameter of 3 μm or more is 50 or less per 1 mm.sup.3 in the sample.

A problem to be solved by the present invention is to provide an alloy that is suitable for a sputtering target material and easy to be produced by an atomization method, and, in order to solve the problem. The present invention provides an alloy containing: at least one selected from Co and Fe; B; C; and the balance being unavoidable impurities. A concentration of C in the alloy is 50 ppm or more and 950 ppm or less, and where a composition of Co, Fe and B, excluding C and the unavoidable impurities, in the alloy is represented by the general formula: (Co.sub.X-Fe.sub.100-X).sub.100-Y-B.sub.Y, where X is 0 or more and 100 or less, and Y is 10 or more and 65 or less.

Provided is a method of easily producing a non-oriented electrical steel sheet that contains substantially no Al and contains large amounts of Si and Mn and has low iron loss, comprising hot rolling a slab having a specified chemical composition to obtain a hot-rolled sheet; coiling the hot-rolled sheet; cold rolling the hot-rolled sheet once or twice with intermediate annealing being performed therebetween, to obtain a cold-rolled sheet; and subjecting the cold-rolled sheet to final annealing, wherein the hot-rolled sheet after the hot rolling is cooled at an average cooling rate from 800° C. to 650° C. of 30° C./s or more, and thereafter the coiling is performed at 650° C. or less.

A vehicle window glass comprises a glass substrate layer, an electrically conductive layer forming a conductive pattern over the glass substrate, a lead-free solder layer on the conductive layer and a metal plate element of an electrical connector on the solder layer. Optionally a coloured ceramic band layer is sintered between the glass substrate layer and the conductive layer. The thickness of the metal plate element is between 0.5 mm and 0.7 mm.

This invention provides methods for fabricating a hard or soft magnet with tailorable magnetic and crystallographic orientations. Methods are disclosed to individually tailor three-dimensional voxels for selected crystallographic orientations and, independently, selected magnetic orientations with location specificity throughout a magnet. Some variations provide a method of making a magnet, comprising: providing a feedstock composition containing magnetic or magnetically susceptible materials; exposing the feedstock composition to an energy source for melting, thereby generating a first melt layer; solidifying the first melt layer in the presence of an externally applied magnetic field, thereby generating a magnetic metal layer containing a plurality of individual voxels; optionally repeating to generate a plurality of solid layers; and recovering a magnet comprising the magnetic metal layer(s), wherein the externally applied magnetic field has a magnetic-field orientation that is selected to control a magnetic axis and a crystallographic texture within the magnetic metal layer(s).