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Title: Structure and magnetic properties of Bi5Ti3FeO15 ceramics prepared by sintering, mechanical activation and EDAMM process. A comparative study
Authors: Jartych, Elżbieta
Pikula, Tomasz
Mazurek, Mariusz
Franus, Wojciech
Lisińska-Czekaj, Agata
Czekaj, Dionizy
Oleszak, Dariusz
Surowiec, Zbigniew
Aksenczuk, A.M.
Całka, Andrzej
Keywords: Aurivillius compound; Magnetic properties; Mechanical activation; Sintering; Bismuth compounds
Issue Date: 2016
Citation: Archives of Metallurgy and Materials, 2016, iss. 2, s. 869-874
Abstract: Three different methods were used to obtain Bi5Ti3FeO15 ceramics, i.e. solid-state sintering, mechanical activation (MA) with subsequent thermal treatment, and electrical discharge assisted mechanical milling (EDAMM). The structure and magnetic properties of produced Bi5Ti3FeO15 samples were characterized using X-ray diffraction and M�ssbauer spectroscopy. The purest Bi5Ti3FeO15 ceramics was obtained by standard solid-state sintering method. Mechanical milling methods are attractive because the Bi5Ti3FeO15 compound may be formed at lower temperature or without subsequent thermal treatment. In the case of EDAMM process also the time of processing is significantly shorter in comparison with solid-state sintering method. As revealed by Mossbauer spectroscopy, at room temperature the Bi5Ti3FeO15 ceramics produced by various methods is in paramagnetic state
DOI: 10.1515/amm-2016-0147
ISSN: 1733-3490
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