Volume 33, Issue 1 (Journal of Advanced Materials- Summer 2014)                   jame 2014, 33(1): 105-116 | Back to browse issues page

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M. Yousefi, S. Sharafi. Structural and Magnetic Characterization of (Fe65-Co35)100-xSix Alloy Obtained by Mechanical Alloying. jame. 2014; 33 (1) :105-116
URL: http://jame.iut.ac.ir/article-1-573-en.html
Department of Materials Science and Metallurgy, Shahid Bahonar University of Kerman, , yousefim63@yahoo.com
Abstract:   (5774 Views)
Fe-Co alloys have unique magnetic applications. Fe50Co50 alloy has the highest saturation magnetization value among Fe-Co alloys. Moreover, the introduction of Si into Fe can result in a decrease of magnetic anisotropy. In this study, in order to utilize combined advantages of Si and Co, the effect of adding 10 and 20 at.% Si on the microstructural and magnetic properties of Fe65Co35 alloy was investigated. For this purpose, initial powder mixtures with specific compositions were milled by means of planetary ball mill for different milling times. Microstructural properties and morphology of the obtained powders were analyzed by X-ray diffraction analysis (XRD) and scanning electron microscope (SEM). Also, magnetic properties of the samples were determined by means of vibration sample magnetometer (VSM). The results showed that the crystallite size was finer and more uniform and lattice strain was decreased slightly for longer milling times. Observations indicated that the addition of Si to the alloys leads to finer particles. The results also showed that increasing the Si content increases the reduction rate of lattice parameter and coercivity.
Full-Text [PDF 1493 kb]   (1705 Downloads)    
Type of Study: Research | Subject: General
Received: 2015/02/9 | Accepted: 2015/05/6 | Published: 2015/05/6

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