Effect of fast cooling on defects level, microstructure and magnetic properties of LiTiZn ferrite ceramics; Materials Chemistry and Physics; Vol. 227
| Parent link: | Materials Chemistry and Physics Vol. 227.— 2019.— [P. 219-223] |
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| Korporativna značnica: | |
| Drugi avtorji: | , , , |
| Izvleček: | Title screen Method for defects level estimating by the analysis of temperature dependences of initial permeability was applied to LiTiZn ferrite ceramics. It was shown that samples of ferrite ceramics sintered in the fast cooling regime have higher defects level compare to slow cooling regime. This result confirmed by XRD. The method has a higher sensitivity compare to typical X-ray methods. The average grain sizes for both types of samples were similar. Besides they are highly agglomerated and show large grain size dispersion and also pores. Such microstructures also explain the decreased saturation magnetization for fast-cooled samples. The Cure point differs by about 20° for these sample types due to non-stoichiometry on oxygen. The obtained results can be used on industrial products of soft ferrite ceramics for defects monitoring. Режим доступа: по договору с организацией-держателем ресурса |
| Jezik: | angleščina |
| Izdano: |
2019
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| Teme: | |
| Online dostop: | https://doi.org/10.1016/j.matchemphys.2019.02.022 |
| Format: | Elektronski Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=664313 |
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| 200 | 1 | |a Effect of fast cooling on defects level, microstructure and magnetic properties of LiTiZn ferrite ceramics |f A. V. Malyshev, A. B. Petrova, A. N. Sokolovsky, A. P. Surzhikov | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 32 tit.] | ||
| 330 | |a Method for defects level estimating by the analysis of temperature dependences of initial permeability was applied to LiTiZn ferrite ceramics. It was shown that samples of ferrite ceramics sintered in the fast cooling regime have higher defects level compare to slow cooling regime. This result confirmed by XRD. The method has a higher sensitivity compare to typical X-ray methods. The average grain sizes for both types of samples were similar. Besides they are highly agglomerated and show large grain size dispersion and also pores. Such microstructures also explain the decreased saturation magnetization for fast-cooled samples. The Cure point differs by about 20° for these sample types due to non-stoichiometry on oxygen. The obtained results can be used on industrial products of soft ferrite ceramics for defects monitoring. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Materials Chemistry and Physics | ||
| 463 | |t Vol. 227 |v [P. 219-223] |d 2019 | ||
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a LiTiZn ferrites | |
| 610 | 1 | |a initial permeability | |
| 610 | 1 | |a cure point | |
| 610 | 1 | |a defects level | |
| 610 | 1 | |a ферриты | |
| 610 | 1 | |a проницаемость | |
| 701 | 1 | |a Malyshev |b A. V. |c Specialist in the field of electrical engineering |c Senior researcher at Tomsk Polytechnic University, Candidate of Physics and Mathematics (PhD Phys.-Math.) |f 1978- |g Andrei Vladimirovich |3 (RuTPU)RU\TPU\pers\30965 |9 15203 | |
| 701 | 1 | |a Petrova |b A. B. |c specialist in the field of non-destructive testing |c Associate Scientist of Tomsk Polytechnic University |f 1992- |g Anna Borisovna |3 (RuTPU)RU\TPU\pers\36438 | |
| 701 | 1 | |a Sokolovsky |b A. N. |g Aleksey Nikolaevich | |
| 701 | 1 | |a Surzhikov |b A. P. |c physicist |c Professor of Tomsk Polytechnic University, doctor of physical and mathematical sciences (DSc) |f 1951- |g Anatoly Petrovich |3 (RuTPU)RU\TPU\pers\30237 |9 14617 | |
| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет |b Институт неразрушающего контроля |b Проблемная научно-исследовательская лаборатория электроники, диэлектриков и полупроводников |3 (RuTPU)RU\TPU\col\19033 |
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