JOM, March 1st, 2002
Glassy anything conjures up images of fragility-"Handle with Care."Mirrors, crystals, pottery all break upon impact. However, the advent of metallic glasses has changed the perspective of "brittleness" that glass possesses. Amorphous or glassy metals were discovered in the early 1960s, when certain alloys were rapidly solidified by processes such as splat quenching. At that time, Pol Duwez classified amorphous alloys as either semiconductor or metallic. When rapidly quenched from the melt phase, these alloys freeze with a random arrangement of atoms having shortrange ordering instead of the pe...
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