Thermal properties and activation energy of the [Zr0.645Ni0.155l0.115Cu0.085]98Si2 amorphous alloy | [Nucleus • 2010]

Author(s):

1. M. IQBAL: Physics Division, Directorate of Science, Pakistan Institute of Nuclear Science and Technology, Islamabad, PAKISTAN

2. J. I. AKHTER: Physics Division, Directorate of Science, Pakistan Institute of Nuclear Science and Technology, Islamabad, PAKISTAN

3. Z. Q. HU: Chinese Academy of Sciences (CAS), Shenyang, China

Abstract:

Zr-based amorphous alloys are novel materials having wide range of applications. Melt spun amorphous ribbon with composition (Zr0.645Ni0.155Al0.115Cu0.085)98Si2 of 50 μm thickness was synthesized to investigate the thermal properties and activation energy. Differential scanning calorimetry (DSC) was used to investigate these properties. X-ray diffraction (XRD) and scanning electron microscopy (SEM) were employed for phase analysis and microstructural study. Thermal parameters were derived from DSC measurements. Phases like NiZr2, CuZr2 and SiZr2 were identified in the samples annealed at various temperatures. It was found that Si addition had positive effect on most of the thermal parameters.

Page(s): 131-135

DOI: DOI not available

Published: Journal: Nucleus, Volume: 47, Issue: 2, Year: 2010

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