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Thermodynamic limits of crystallization and the prediction of glass formation tendency
Physical Review B
  • Yongxin Yao, Iowa State University
  • Ralph E. Napolitano, Iowa State University
  • Cai-Zhuang Wang, Iowa State University
  • Kai-Ming Ho, Iowa State University
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We have calculated the T0 curves for several Al-rare-earth binary alloys to assess the importance of the transport-based resistance to crystallization in the overall glass formation process and the general effectiveness of thermodynamic prediction of glass-forming ability. Our results show that the experimentally observed glass-forming compositions for Al-(Ce, Gd, Ho, Nd, Y, Dy) alloys strongly correlate with the composition range bounded by the T0curves associated with the relevant crystalline phases. This indicates that sluggish material transport, together with the tendency for clustering and other types of ordering at medium-range scale, is a key factor governing glass formation in these systems.

This article is from Physical Review B 81 (2010): 212202, doi:10.1103/PhysRevB.81.212202.

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American Physical Society
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Yongxin Yao, Ralph E. Napolitano, Cai-Zhuang Wang and Kai-Ming Ho. "Thermodynamic limits of crystallization and the prediction of glass formation tendency" Physical Review B Vol. 81 (2010) p. 212202
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