Recycling of Iron Sintered Wastes Into Nanoparticles Barium Hexaferrite and Zinc-Ferrite Glass-Ceramics

About 25 % of iron oxides in the sintering process are wastes. In this paper, sintered waste (SW) was used as a source of iron oxides to prepare both hard and soft magnetic glass-ceramics via a melting-quenching technique. About 71 % by wt. of sintered waste was used for preparing soft magnetic glas...

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Bibliographic Details
Published in:SILICON 2018, Vol.10 (1), p.153-163
Main Authors: Abdel-Hameed, Salwa A. M., M., Ibrahim Hamed, Erfan, Nehal A.
Format: Article
Language:English
Subjects:
Barium hexaferrite
Ceramics
Chemical engineering
Chemistry
Chemistry and Materials Science
Composite materials
Crystallization
Environmental Chemistry
Glass ceramics
Heat treatment
Hematite
Information storage
Inorganic Chemistry
Iron oxides
Lasers
Magnetic measurement
Magnetic saturation
Materials Science
Nanoparticles
Optical Devices
Optics
Original Paper
Photonics
Polymer Sciences
Sintering
Steel production
Temperature
Wastes
Zinc
Zinc ferrites
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Summary:About 25 % of iron oxides in the sintering process are wastes. In this paper, sintered waste (SW) was used as a source of iron oxides to prepare both hard and soft magnetic glass-ceramics via a melting-quenching technique. About 71 % by wt. of sintered waste was used for preparing soft magnetic glass-ceramics, while ∼46 % was used for preparing hard magnetic glass-ceramics. The comparison between ferrimagnetic glass-ceramics prepared from pure chemicals and that from sintered waste before and after heat treatment was studied. X-ray diffraction shows crystallization of both hematite and Zn-ferrite phases in sintered waste while pure Zn-ferrite or Ba-hexaferrite phases were crystallized in soft magnetic and hard magnetic glass-ceramics, prepared from sintered waste, respectively. Transmission electron microscopy determined the crystalliza- tion of nano-particles ∼20 nm and
ISSN:1876-990X
1876-9918
DOI:10.1007/s12633-016-9410-3