Mechanical Alloying For Advanced Materials


Amorphous alloys; Applications; Mechanical alloying; Metastable intermetallic phases; Supersaturated solid solutions


Mechanical alloying is a powder metallurgy powder processing technique involving cold welding, fracturing, and rewelding of powder particles in a high-energy ball mill. This method is now an established technique to commercially produce oxide-dispersion strengthened (ODS) nickel- and iron-based materials. Additionally, this method can be exploited to synthesize a variety of alloys with novel constitutional effects such as supersaturated solid solutions, metastable quasicrystalline and crystalline intermetallic phases, and amorphous alloys. The greatest advantage of mechanical alloying is that this technique, which is carried out at or near room temperature, is capable of producing alloys in systems, which are difficult or impossible to produce by other techniques. Mechanical alloying is now applied to produce high-temperature intermetallics, ceramic materials, electronic materials, and composites. The present paper presents an overview of the process of mechanical alloying, the types of novel phases that can be obtained by this technique, and the present and potential applications of mechanically alloyed products.

Publication Date


Publication Title

Materials Science and Technology 2003 Meeting

Number of Pages


Document Type

Article; Proceedings Paper

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Socpus ID

1542648701 (Scopus)

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