ABSTRACT
Mechanical alloying (MA) is a powder processing technique that allows production of homogeneous materials starting from blended elemental powder mixtures. John S. Benjamin and his colleagues at the Paul D. Merica Research Laboratory of the International Nickel Company (INCO) developed the process around 1966. The technique was the result of a long search to produce a nickel-based superalloy for gas turbine applications that combined the high-temperature strength of oxide dispersion and the intermediate-temperature strength of gV precipitate. The required corrosion and oxidation resistance were also included in the alloy by suitable alloying additions. Benjamin [1-3] has summarized the historical background of the process and the background work that led to the development of the present process.
