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Published May 15, 2000 | public
Journal Article Open

Viscous flow of the Cu47-Ti34-Zr11-Ni8 glass forming alloy


The viscosity of the Cu47-Ti34-Zr11-Ni8 glass forming alloy was determined by beam bending experiments and by a noncontact oscillating drop technique. These viscosity data can be described with the Vogel-Fulcher-Tammann relation. Using the strong/fragile classification of glasses, Cu47-Ti34-Zr11-Ni8 is more fragile than the strong Zr-Ti-Cu-Ni-Be metallic glass formers.

Additional Information

Copyright © 2000 American Institute of Physics. Received 20 December 1999; accepted 18 February 2000. The authors thank T. A. Waniuk for his assistance performing the beam bending experiments, R. Busch for helpful discussions, and John Haygarth of Teledyne Wah-Chang for providing material for the TEMPUS samples. They also thank Team TEMPUS for helping make the MSL-1 space shuttle flight experiments successful, R. Hyers and G. Trapaga for the TEMPUS viscosity data, and R. K. Wunderlich for his assistance with temperature calculations. This work was supported by NASA (Grant No. 4NAG8-1182). S.C.G. acknowledges fellowship support from NDSEG.


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