Researches Regarding the Barium W Ferrite Pyrosynthesis by Microwave Heating

Article Preview

Abstract:

In this work there are presented the results of experimental researches which had the goal to establish the thermal effect of BaCO3 and α- Fe2O3 homogeneity mixture heated in microwave, used to processing barium ferrite W type by pyrosynthesis.There was used thermal-gravimetric analysis with a derivatograph reordered for microwave heating of samples containing iron oxides with different grain size.Experimental results emphasized that the microwave heating comparatively with resistor heating, lead to a lower synthesis temperature of hexaferrite of about 150 0 C , using oxides with grain size suitable to SBET= (7-10) m2/g.

You might also be interested in these eBooks

Info:

Periodical:

Pages:

323-326

Citation:

Online since:

January 2011

Export:

Price:

Permissions CCC:

Permissions PLS:

Сopyright:

© 2011 Trans Tech Publications Ltd. All Rights Reserved

Share:

Citation:

[1] Lisjak, D., Drofenik, M. – The mechanism of the low-temperature formation of barium hexaferrite – J Eurn Ceram Soc, vol. 27, issue 16, 2007, p.4515.

DOI: 10.1016/j.jeurceramsoc.2007.02.202

Google Scholar

[2] Hessien, M.M., Radwan, M., Rashad, M. M– J of Analytical and Applied Pyrolysis, vol. 78, issue 2, March 2007, p.282.

Google Scholar

[3] Mangra, M, International Conference on processing and manufacturing of advanced materials, THERMEC 2003, Madrid, Spain, Materials Science Forum Vols. 426-432 (2003), Trans Tech Publications, vol. 5, p.4379.

Google Scholar

[4] M. Mangra, CEEX 85/2006 – PRONANOMAT, annual research report.

Google Scholar