The Production and Elevated Temperature Properties of Ca65Mg15Zn20 Bulk Metallic Glass

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Ca65Mg15Zn20 bulk metallic glass samples of dimensions 3.15 × 7 × 125 mm were prepared using an inverted low-pressure die-casting technique. It was found that charge temperature, and injection pressure were important parameters for controlling the length, porosity and degree of crystallinity in the as-cast samples. A processing map was generated illustrating the optimum casting temperature and pressure range for generating the highest quality castings. These samples were ground into tensile samples in compliance with ASTM E8-04 and deformed in the supercooled liquid (SCL) region (105 to 135 °C) at constant strain rates from 10-3 to 10-4 s-1. Reported are the effects of these parameters on the deformation behaviour of the Ca65Mg15Zn20 BMG.

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Periodical:

Materials Science Forum (Volumes 561-565)

Main Theme:

Edited by:

Young Won Chang, Nack J. Kim and Chong Soo Lee

Pages:

1263-1266

Citation:

K. J. Laws et al., "The Production and Elevated Temperature Properties of Ca65Mg15Zn20 Bulk Metallic Glass", Materials Science Forum, Vols. 561-565, pp. 1263-1266, 2007

Online since:

October 2007

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