Paper Title:
Phase Changes in Fe-Si Powder Mixtures by Mechanical Alloying and Subsequent Heat Treatment
  Abstract

In the present study, Fe and Si powders (3:1 in atomic proportion) were mechanical alloyed and subsequently treated under different anneal conditions. The changes of phase composition and structure during the mechanical alloying and following heat treatment processes were mainly studied. The results showed that the XRD peaks of Fe were gradually broadened and weakened with the increase of the milling time associated with the shifting from low angles to high angles, and the main phase changed into α-Fe (Si) solid solution after milling for 20h. When the product was heat treated below 400oC, the main phase remained α-Fe (Si). While it was treated above 400oC, ordered Fe3Si phase was found and the XRD peaks of Fe3Si became sharper with the further increase of the temperature.

  Info
Periodical
Key Engineering Materials (Volumes 280-283)
Edited by
Wei Pan, Jianghong Gong, Chang-Chun Ge and Jing-Feng Li
Pages
1709-1712
DOI
10.4028/www.scientific.net/KEM.280-283.1709
Citation
Y. Zhao, Q. Shen, C. B. Wang, L. M. Zhang, "Phase Changes in Fe-Si Powder Mixtures by Mechanical Alloying and Subsequent Heat Treatment", Key Engineering Materials, Vols. 280-283, pp. 1709-1712, 2005
Online since
February 2007
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Price
$32.00
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