Grain growth in nanocrystalline Zn–22% Al

✍ Scribed by Yuwei Xun; Enrique J. Lavernia; Farghalli A. Mohamed

• Publisher: Elsevier Science
• Year: 2004
• Tongue: English
• Weight: 309 KB
• Volume: 371
• Category: Article
• ISSN: 0921-5093
• DOI: 10.1016/j.msea.2003.10.298

✦ Synopsis

The grain growth behavior of nanocrystalline Zn-22% Al (d = 41 nm) was investigated, and the experimental data were compared with those of its coarse-grained powder and bulk counterparts. The results of the comparison suggest that the observed high value of the grain growth exponent, n (n = 7.0) for the nanocrystalline alloy can be attributed to the presence of second-phase dispersions and microporosity.