TITLE

A valence electron concentration criterion for glass-formation ability of metallic liquids

AUTHOR(S)
Jiang, Q.; Chi, B. Q.; Li, J. C.
PUB. DATE
May 2003
SOURCE
Applied Physics Letters;5/5/2003, Vol. 82 Issue 18, p2984
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Critical cooling rate of a metallic liquid (R[sub c]) necessary to form glass is correlated to the valence concentration e/a of the liquid (e and a denote valence and atom number in a unit cell, respectively). R[sub c] of liquid is minimized at e/a = 3.5. The principles of the composition design to form bulk metallic glasses are as follows: e/a = 3.5, the component number (n) in the alloy is larger than three, and the component percentage of the ith component (x[sub i]) approaches 1/n.
ACCESSION #
9630244

 

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