Paper Title:
Structural Evolution in the Processing of Fe/ BaFe12O19 Nano Composite via Mechanical Alloying
  Abstract

Barium hexaferrite particles derived from sol-gel combustion method with a mean particle size of 160 nm and Fe particles with a mean particle size of 150 µm were mechanically alloyed using planetary ball mill. Phase constitution and EDS analysis of the products were investigated by XRD and SEM, respectively. Magnetic properties of samples were measured by VSM. Influence of the milling time and Fe content on the phase constitution of synthesized composites has been investigated. XRD results indicated that in sample with 90 and 50wt% Fe, the magnetic composite with enhanced magnetic properties, formed based on Fe phase while barium hexaferrite particles embedded within Fe particles. In sample with 90% Fe, the crystallite size of Fe reduced from 173 to 87 nm by increasing the milling time from 1 to 20 h; saturation magnetization of the 20 h milled sample was measured as 94.8 emu/g. Besides, in sample with 50wt% Fe, some FeO phase was detected which is probably due to the partial decomposition of hard magnetic phase during milling. Sample with 10wt% Fe showed completely different behavior and magnetite appeared as a major magnetic phase.

  Info
Periodical
Advanced Materials Research (Volumes 55-57)
Main Theme
Edited by
Tawee Tunkasiri
Pages
569-572
DOI
10.4028/www.scientific.net/AMR.55-57.569
Citation
A. Ataie, R. Nikkhah-Moshaie, "Structural Evolution in the Processing of Fe/ BaFe12O19 Nano Composite via Mechanical Alloying", Advanced Materials Research, Vols. 55-57, pp. 569-572, 2008
Online since
August 2008
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: M.J. Molaei, Abolghasem Ataie, Sh. Raygan
Abstract:In this work, nano-composite of barium hexaferrite/magnetite was produced by partial reduction of barium hexaferrite with graphite via ball...
354
Authors: Shu Fang Zheng, Guo Xuan Xiong, Hai Qing Huang, Liu Jun Luo
Abstract:Nano-porous Barium ferrite (BaFe12O19) nanoparticles were synthesized by sol-gel technique using CTAB as template. The structure, morphology,...
257
Authors: Yue Miao Sun, Wang Qun, Zhi Xue Qu, Mei Wu Shi
Chapter 3: Electrical, Magnetic and Optical Ceramics
Abstract:Ferrous micro-beads from fly-ash were used as starting material to prepare CoZn-Z type barium ferrite. As the main impurity in the beads,...
1424
Authors: Quan Yuan, Wang Qun, Zhi Xue Qu, Zi Xin Gu, Tong Wu
Abstract:Abstract: Manganese zinc ferrite/barium ferrite composite materials were prepared with various content of Z type barium ferrite (0, 10, 20...
215
Authors: S. Hamidizadeh, A. Ataie, Amin Nozari
Chapter 9: Nanotechnology and Nanocomposites in Manufacturing
Abstract:Barium hexaferrite/high density polyethylene composite was prepared from synthesized barium hexaferrite as matrix with 0, 10, 20, 30, 40 wt.%...
860