Postprint version. Published in Scripta Materialia, Volume 39, Issue 4-5, August 4, 1998, pages 619-623.
NOTE: At the time of publication, the author Katherine C. Chen was not yet affiliated with Cal Poly.
The definitive version is available at https://doi.org/10.1016/S1359-6462(98)00205-X.
Materials Science and Engineering