Structural Evolution of the Cu-Ni Solid Solution Formed by Ball Mechanical Alloying Treatment (BMAT)

Abstract:

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A nanostructured powder with uniform distribution of Ni and Cu powders was produced by means of the Ball Mechanical Alloying Treatment (BMAT). Mutual diffusion of Ni and Cu in the nanostructured layer and the microstructure of the cross section of the remaining powders were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM) and Electron Probe Microanalyzer (EPMA). X-ray diffraction patterns revealed that increasing the milling time gives rise to decreasing crystallite size and lattice parameter during the MA process. Furthermore, scanning electron microscopy (SEM) was utilized not only for evaluating the morphology and microstructure of the remaining powder particles but also for proving this claim that during MA process, the mutual diffusion of Ni and Cu has occurred. Elemental mappings also show that the alloying process occurred in samples but obtaining the uniform shape, size and microstructure of the powder requires increase in the milling time.

Info:

Periodical:

Edited by:

S. Itoh, J.J. Yoh and K. Hokamoto

Pages:

279-284

DOI:

10.4028/www.scientific.net/MSF.673.279

Citation:

I. Farahbakhsh et al., "Structural Evolution of the Cu-Ni Solid Solution Formed by Ball Mechanical Alloying Treatment (BMAT)", Materials Science Forum, Vol. 673, pp. 279-284, 2011

Online since:

January 2011

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Price:

$35.00

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