Refractory ceramics based on magnesium–aluminate spinel and periclase of the Satka deposit; Materials Chemistry and Physics; Vol. 313

ग्रंथसूची विवरण
Parent link:Materials Chemistry and Physics.— .— Amsterdam: Elsevier Science Publishing Company Inc.
Vol. 313.— 2024.— Article number 128760, 11 p.
निगमित लेखक: National Research Tomsk Polytechnic University
अन्य लेखक: Buyakov A. S. Ales Sergeevich, Shmakov V. V. Vasily Valerjevich, Zabolotsky A. V. Andrey Vasiljevich, Chumakov Yu. А. Yury Aleksandrovich, Shilko E. V. Evgeny Viktorovich
सारांश:Title screen
The article is aimed at evaluating the promising approach to the management of the performance characteristics of ceramic refractories based on magnesia-aluminate spinel and periclase made from natural components extracted from the Satka deposit. The essence of the approach is the mechanical activation of initial coarse powders to decrease the mean particle size and dispersion, as well as to clean particle surfaces, and the variation of sintering parameters to improve the quality of adhesion between particles during sintering. It is shown that these changes in production technology allow for achieving a significant superiority of refractories obtained from activated powders over industrial samples made of powders not subjected to this kind of treatment. The obtained materials particularly have multiple higher strengths and fracture toughness. The thermal conductivity and thermal shock resistance of the obtained materials are not inferior to or superior to the corresponding characteristics of industrial refractories of similar phase composition. The analysis showed that the mechanical and thermophysical characteristics of ceramics synthesized from mechanically activated natural powders are not inferior to those of ceramics synthesized in laboratory conditions from pure precursors. The results of the study indicate a possibility of significant improvement of the mechanical and thermal characteristics of industrial periclase-spinel refractories by additional mechanical activation of mixtures of coarse powders obtained from mined natural components
AM_Agreement
भाषा:अंग्रेज़ी
प्रकाशित: 2024
विषय:
ऑनलाइन पहुंच:https://doi.org/10.1016/j.matchemphys.2023.128760
स्वरूप: MixedMaterials इलेक्ट्रोनिक पुस्तक अध्याय
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=672237

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330 |a The article is aimed at evaluating the promising approach to the management of the performance characteristics of ceramic refractories based on magnesia-aluminate spinel and periclase made from natural components extracted from the Satka deposit. The essence of the approach is the mechanical activation of initial coarse powders to decrease the mean particle size and dispersion, as well as to clean particle surfaces, and the variation of sintering parameters to improve the quality of adhesion between particles during sintering. It is shown that these changes in production technology allow for achieving a significant superiority of refractories obtained from activated powders over industrial samples made of powders not subjected to this kind of treatment. The obtained materials particularly have multiple higher strengths and fracture toughness. The thermal conductivity and thermal shock resistance of the obtained materials are not inferior to or superior to the corresponding characteristics of industrial refractories of similar phase composition. The analysis showed that the mechanical and thermophysical characteristics of ceramics synthesized from mechanically activated natural powders are not inferior to those of ceramics synthesized in laboratory conditions from pure precursors. The results of the study indicate a possibility of significant improvement of the mechanical and thermal characteristics of industrial periclase-spinel refractories by additional mechanical activation of mixtures of coarse powders obtained from mined natural components 
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461 1 |t Materials Chemistry and Physics  |c Amsterdam  |n Elsevier Science Publishing Company Inc. 
463 1 |t Vol. 313  |v Article number 128760, 11 p.  |d 2024 
610 1 |a электронный ресурс 
610 1 |a труды учёных ТПУ 
610 1 |a MgO–MgAl2O4 refractory 
610 1 |a porous ceramics 
610 1 |a structure–dependent properties 
610 1 |a thermal shock resistance 
701 1 |a Buyakov  |b A. S.  |c specialist in material science  |c assistant Professor of Tomsk Polytechnic University  |f 1992-  |g Ales Sergeevich  |9 21187 
701 1 |a Shmakov  |b V. V.  |g Vasily Valerjevich 
701 1 |a Zabolotsky  |b A. V.  |g Andrey Vasiljevich 
701 1 |a Chumakov   |b Yu. А.  |g Yury Aleksandrovich 
701 1 |a Shilko  |b E. V.  |c physicist  |c engineer of Tomsk Polytechnic University, Doctor of physical and mathematical sciences  |f 1973-  |g Evgeny Viktorovich  |9 19050 
712 0 2 |a National Research Tomsk Polytechnic University  |c (2009- )  |9 27197 
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