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Please use this identifier to cite or link to this item: http://repository.iitr.ac.in/handle/123456789/12669
Title: Crystallite size of mechanically alloyed Cu-Cr powder - A comparison between X-ray diffraction and atomic force microscopy techniques
Authors: Lahiri I.
Bhargava S.
Published in: Materials Characterization
Abstract: The X-ray and AFM characterization of mechanically alloyed Cu-10 at.% Cr and Cu-50 at.% Cr powders, taken after different milling intervals, were compared. Two compositions, namely Cu-10 at.% Cr and Cu-50 at.% Cr powder mixtures were milled up to 150 h in a Fritsch Pulverisette 5 planetary ball mill, at a disc speed of 200 rpm. Five numbers of 25 mm diameter steel balls were used for the milling, keeping the ball-to-powder weight ratio as 8:1. Toluene was used as the process control agent. The samples collected after different time intervals of milling were subjected to X-ray diffraction (XRD) and AFM, keeping an aim to study the changes in crystallite size, with increasing milling time. In acoustic AC mode of AFM, the cantilever tip was allowed to come very near to the sample and to vibrate at its natural frequency. This causes force interaction between sample and cantilever tip. The results of the present study show huge difference in crystallite sizes, as measured by the two methods.
Citation: Materials Characterization (2009), 60(11): 1406-1410
URI: https://doi.org/10.1016/j.matchar.2009.05.015
http://repository.iitr.ac.in/handle/123456789/12669
Issue Date: 2009
Keywords: Atomic force microscopy
Crystallite size
Cu-Cr
Mechanical alloying
X-ray diffraction
ISSN: 10445803
Author Scopus IDs: 7004250718
56854829000
Author Affiliations: Lahiri, I., Department of Materials and Metallurgical Engineering, Indian Institute of Technology Kanpur, Kanpur, 208016 U.P., India
Bhargava, S., Department of Materials and Metallurgical Engineering, Indian Institute of Technology Kanpur, Kanpur, 208016 U.P., India
Corresponding Author: Lahiri, I.; Department of Materials and Metallurgical Engineering, Indian Institute of Technology Kanpur, Kanpur, 208016 U.P., India; email: indranil78@yahoo.com
Appears in Collections:Journal Publications [MT]

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