A practical thermodynamic method to calculate the best glass-forming composition for bulk metallic glasses

Wang, H., Fu, H. M., Zhang, H. F. and Hu, Z. Q. (2007) A practical thermodynamic method to calculate the best glass-forming composition for bulk metallic glasses. International Journal of Nonlinear Sciences And Numerical Simulation, 8 2: 171-178. doi:10.1515/IJNSNS.2007.8.2.171

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Author Wang, H.
Fu, H. M.
Zhang, H. F.
Hu, Z. Q.
Title A practical thermodynamic method to calculate the best glass-forming composition for bulk metallic glasses
Journal name International Journal of Nonlinear Sciences And Numerical Simulation   Check publisher's open access policy
ISSN 1565-1339
2191-0294
Publication date 2007-06
Sub-type Article (original research)
DOI 10.1515/IJNSNS.2007.8.2.171
Open Access Status File (Publisher version)
Volume 8
Issue 2
Start page 171
End page 178
Total pages 8
Place of publication Berlin, Germany
Publisher Walter de Gruyter
Language eng
Abstract Bulk metallic glasses are regarded as a new class of engineering materials because of their extraordinary high strength, great elasticity, and high corrosion and wear resistance. The selection of good glass-forming composition is the most important issue in BMG development. In this paper, a thermodynamic method, which combines element substitution and mixing enthalpy calculation, has been successfully developed to predict the optimum glass-forming compositions in Cu-Zr-Ti, Cu-Hf-Ti, Cu-Zr-Hf-Ti and Pd-Ni-P alloy systems. Alloy compositions with the largest glass-forming ability are always accompanied with the smallest enthalpy value for the alloy systems. The prediction results have been confirmed by experiments. It is concluded that the thermodynamic method provides a practical and effective tool to find the optimum glass forming composition.
Keyword Engineering, Multidisciplinary
Mathematics, Applied
Mechanics
Physics, Mathematical
Bulk metallic glasses
Glass-forming ability
Miedema's model
Mixing enthalpy
Cu-zr
Amorphous-alloys
Mechanical-properties
Supercooled Liquid
System
Ti
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Engineering Publications
 
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Created: Mon, 18 Feb 2008, 17:10:50 EST