Letter | Published:

The Amorphous Alloy

Naturevolume 175page1083 (1955) | Download Citation



IN 1920 Rosenhain, Haughton and Bingham1 described a zinc/aluminium/copper alloy (89/7/4) the mechanical properties of which resembled those of an amorphous material, in that it was ductile at room temperature when deformed slowly but brittle when deformed quickly. A simple demonstration of this was that a piece of sheet made from the metal would bend double if bent slowly but snapped if bent quickly, just like an amorphous material such as pitch. It appears that no satisfactory explanation of this behaviour has been put forward that conforms with modern ideas.

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  1. 1

    Rosenhain, W., Haughton, J. L., and Bingham, K. E., J. Inst. Met., 23, 26 (1920).

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  1. Metallurgy Division, National Physical Laboratory, Teddington

    • D. McLEAN


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