Paper Title:
Effects of Additional Elements on Microstructures of Zr-Based Metallic Glass Ribbons
  Abstract

Effects of Fe, Co and Al addition to Zr55Al10Ni5Cu30 and Zr70Cu30 metallic glass ribbons were studied. 20 at.% of Fe addition prevented Zr55Al10Ni5Cu30 molten alloys from being supercooled and resulted in nanocrystallization, while Zr55Al10Ni5Cu30 alloys containing 20 at.% Co could be quenched into a supercooled liquid region. Fe addition also degraded Zr70Cu30 metallic glass, while Al addition improved both glass phase stability and mechanical properties. Degradation of Zr-based metallic glass by Fe addition originates in the large negative enthalpy of mixing Fe with Cu.

  Info
Periodical
Materials Science Forum (Volumes 539-543)
Main Theme
Edited by
T. Chandra, K. Tsuzaki, M. Militzer , C. Ravindran
Pages
2000-2005
DOI
10.4028/www.scientific.net/MSF.539-543.2000
Citation
T. Yamamoto, N. Yodoshi, H. Kimura, A. Inoue, "Effects of Additional Elements on Microstructures of Zr-Based Metallic Glass Ribbons", Materials Science Forum, Vols. 539-543, pp. 2000-2005, 2007
Online since
March 2007
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