Paper Title:
Microstructure of Rapidly Solidified Co-Sn-Ti and Co-Sn-Si Alloys
  Abstract

In this study, rapidly solidified Co-Sn-Ti and Co-Sn-Si alloys were investigated as candidate cathodic materials for lithium-ion batteries. (Co0.5Sn0.5)1-xTix (x=0.1, 0.2, 0.3, 0.4) and (Co0.5Sn0.5)0.9Si0.1 alloys were produced by Ar arc-melting. These alloys were further rapidly solidified into ribbons by the single-roll melt-spinning method. Constituent phases in the ribbons were identified by XRD, indicating that all of the alloys were composed of crystalline multi-phases with no amorphous phase. The microstructure of the ribbons was observed by SEM and TEM, and the chemical composition of constituent phases was analyzed by TEM-EDS. It is found from the SEM and TEM observations that the grain size of the constituent phases ranged from tens to hundreds nanometers due to the rapid solidification effect.

  Info
Periodical
Materials Science Forum (Volumes 561-565)
Main Theme
Edited by
Young Won Chang, Nack J. Kim and Chong Soo Lee
Pages
1357-1360
DOI
10.4028/www.scientific.net/MSF.561-565.1357
Citation
S. Fujisawa, K. Yoshimi, H. Kato, K. Maruyama, "Microstructure of Rapidly Solidified Co-Sn-Ti and Co-Sn-Si Alloys", Materials Science Forum, Vols. 561-565, pp. 1357-1360, 2007
Online since
October 2007
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$32.00
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