Positron Annihilation in Thermally Treated Co-Zr-V Metallic Glasses

Abstract:

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Positron annihilation lifetime spectroscopy (PALS) has been applied to study if the microstructure changes in Co80Zr10V10 and Co65Zr10V25 metallic glasses after heat treatment. Samples in as-quenched state were isothermally annealed at chosen temperatures in the temperature range 100°C - 580°C for 1 hour. In spite of differences of chemical composition and magnetic properties the obtained dependencies of positron lifetime on annealing temperature do not differ significantly for lower temperatures. The higher increase of positron lifetime for Co65Zr10V25 than that for Co80Zr10V10 indicates differences in crystallization in the two metallic glasses studied.

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Periodical:

Edited by:

Radosław Zaleski

Pages:

58-61

DOI:

10.4028/www.scientific.net/MSF.666.58

Citation:

E. Dryzek et al., "Positron Annihilation in Thermally Treated Co-Zr-V Metallic Glasses", Materials Science Forum, Vol. 666, pp. 58-61, 2011

Online since:

December 2010

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$35.00

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