A powdered alloy with a chemical composition of Al.sub.xSi, where X is an amount of Si from 10 to 30 weight percent. More specifically, a powdered alloy with a chemical composition of Al.sub.xSi.sub.ySn.sub.zIn, where X is an amount of Si from 10 to 30 weight percent, Y is an amount of Sn from 0.01 to 0.50 weight percent, and Z is an amount of In from 0.005 to 0.05 weight percent.

A powdered alloy with a chemical composition of Al.sub.xSi, where X is an amount of Si from 10 to 30 weight percent. More specifically, a powdered alloy with a chemical composition of Al.sub.xSi.sub.ySn.sub.zIn, where X is an amount of Si from 10 to 30 weight percent, Y is an amount of Sn from 0.01 to 0.50 weight percent, and Z is an amount of In from 0.005 to 0.05 weight percent.

Disclosed are: a method capable of preparing, in large-scaled quantity, nonspherical/asymmetric fine particles in which the physical factors (for example, size, shape, structure, etc.) of a fine wire (for example, glass-coated metal microwires) are controlled, through a convergence of nano technology (NT) and laser machining technology; and a use thereof applicable to various fields including bioassay and security.

A powder production method includes providing an elongated workpiece and repeatedly contacting an outer surface of the elongated workpiece with a reciprocating cutter according to a predetermined at least one frequency to produce a powder. The powder includes a plurality of particles, wherein at least 95% of the produced particles have a diameter or maximum dimension ranging from about 10 m to about 200 m. A system for producing powders having a plurality of particles including a cutter and at least one controller is also provided herein.

A powder production method includes providing an elongated workpiece and repeatedly contacting an outer surface of the elongated workpiece with a reciprocating cutter according to a predetermined at least one frequency to produce a powder. The powder includes a plurality of particles, wherein at least 95% of the produced particles have a diameter or maximum dimension ranging from about 10 m to about 200 m. A system for producing powders having a plurality of particles including a cutter and at least one controller is also provided herein.

A method of making a machine component includes extruding a supply of an aluminum alloy to produce an extrusion. The extrusion is formed under temperature-limited forming conditions of 275 C. or less to produce a blank. The blank is machined to at least one predetermined tolerance to produce the machine component.

The metal powder forming method is a metal powder forming method for forming metal powder by cutting a surface of a metal workpiece, including a plastic forming step for forming a second surface having a plurality of protrusions aligned at least in one direction on a first surface of the workpiece with a plastic forming tool, and a cutting step for forming the metal powder by cutting the plurality of protrusions with a cutting tool.

A composite material includes a plurality of metallic particles formed through modulation-assisted machining. The composite includes a thermoplastic polymer matrix which binds the plurality of metallic particles.

A metal powder forming method is a metal powder forming method for forming metal powder by cutting a surface of a metal workpiece, including a rolling step for forming a second surface having a plurality of protrusions aligned at least in one direction on a first surface of the workpiece with a plastic forming tool, and a cutting step for forming the metal powder by cutting the plurality of protrusions with a cutting tool.