Volume 10, Issue 3 (September 2013)                   IJMSE 2013, 10(3): 27-31 | Back to browse issues page

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A. Karimbeigi, A. Zakeri, A. Sadighzadeh. EFFECT OF COMPOSITION AND MILLING TIME ON THE SYNTHESIS OF NANOSTRUCTURED Ni-Cu ALLOYS BY MECHANICAL ALLOYING METHOD. IJMSE 2013; 10 (3) :27-31
URL: http://ijmse.iust.ac.ir/article-1-569-en.html
EFFECT OF COMPOSITION AND MILLING TIME ON THE SYNTHESIS OF NANOSTRUCTURED Ni-Cu ALLOYS BY MECHANICAL ALLOYING METHOD
A. Karimbeigi , A. Zakeri , A. Sadighzadeh
Abstract:   (24354 Views)
Ni and Cu elemental powder mixtures containing 25, 50, and 75% at Cu were subjected to mechanical alloying in a planetary ball mill under various milling times. Structural evolution was analyzed by means of X-ray diffraction and scanning electron microscopy. Experimental results indicated that nanostructured solid solution alloy powders having homogeneous distribution of Ni and Cu were formed by milling-induced interdiffusion of the elements. Average crystallite size of the as-milled powders was decreased with increasing Ni content and milling duration, and found to be in the order of 15-40 nm after 30 h of milling for all powder compositions. Moreover, lattice parameter and lattice strain of solid solutions were increased with the time of MA, which was more intense for nickel-rich alloys
Keywords: Ni-Cu binary alloys, Mechanical alloying, High-energy ball milling, Nanostructured alloys
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Type of Study: Research Paper |
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