Influence of vacuum heating on magnetic characteristics of α-Fe2O3 ceramics obtained via spark plasma sintering

I. A. Tkachenko; A. A. Kvach; O. O. Shichalin; A. S. Portnyagin; D. S. Vinnik; A. A. Belov; E. K. Papynov

doi:10.1117/12.2315102

4 January 2019 Influence of vacuum heating on magnetic characteristics of α-Fe2O₃ ceramics obtained via spark plasma sintering

I. A. Tkachenko, A. A. Kvach, O. O. Shichalin, A. S. Portnyagin, D. S. Vinnik, A. A. Belov, E. K. Papynov

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Proceedings Volume 11024, Asia-Pacific Conference on Fundamental Problems of Opto- and Microelectronics 2017; 110240B (2019) https://doi.org/10.1117/12.2315102
Event: Asia-Pacific Conference on Fundamental Problems of Opto- and Microelectronics 2017, 2017, Taipei, Taiwan

Abstract

The work has investigated influence of heating in vacuum on phased composition and magnetic properties of SPS ceramics based on hematite and sintered at various temperatures. Vacuum heating of SPS ceramics higher than 650 K has been established to promote partial hematite reduction to magnetite and metallic iron. Temperature interval of reduction and amount of hematite participating in reduction have been shown to depend on sintering temperature of the ceramics.

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I. A. Tkachenko, A. A. Kvach, O. O. Shichalin, A. S. Portnyagin, D. S. Vinnik, A. A. Belov, and E. K. Papynov "Influence of vacuum heating on magnetic characteristics of α-Fe2O₃ ceramics obtained via spark plasma sintering", Proc. SPIE 11024, Asia-Pacific Conference on Fundamental Problems of Opto- and Microelectronics 2017, 110240B (4 January 2019); https://doi.org/10.1117/12.2315102

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