Zobrazeno 1 - 10
of 102
pro vyhledávání: '"Pavel Nikitin"'
Publikováno v:
Nanomaterials, Vol 13, Iss 10, p 1589 (2023)
This paper presents the results of studies on AlMgB14-based ceramic coatings deposited on WC-Co hard alloy substrates using RF plasma sputtering. The aim of this work is to study the structure, phase composition, and mechanical properties of AlMgB14-
Externí odkaz:
https://doaj.org/article/1faf7c43ba564cdbbfe961d586dd2fc3
Autor:
Pavel Nikitin, Ilya Zhukov, Dmitrii Tkachev, Yurii Abzaev, Ekaterina Marchenko, Alexander Vorozhtsov
Publikováno v:
Materials, Vol 15, Iss 23, p 8450 (2022)
It is known that the presence of oxygen phases in hard materials leads to an undesirable decrease in the mechanical properties. In materials based on AlMgB14, the main oxygen impurity is spinel MgAl2O4; it significantly reduces the hardness of AlMgB1
Externí odkaz:
https://doaj.org/article/26654d9d771248e8a16a706ec35c1447
Publikováno v:
Nanomaterials, Vol 12, Iss 21, p 3805 (2022)
In this work, the structure, phase composition, hardness and tensile strength of the AlMgB14-based material obtained by spark plasma sintering (SPS) were investigated. According to the XRD results, the spark plasma sintered material contains 94 wt% A
Externí odkaz:
https://doaj.org/article/3ec51d764d244b368408bd01f7d4ab31
Autor:
Pavel Nikitin, Ilya Zhukov, Alexey Matveev, Sergei Sokolov, Victor Sachkov, Alexander Vorozhtsov
Publikováno v:
Nanomaterials, Vol 12, Iss 11, p 1895 (2022)
In this work, composite materials were obtained by spark plasma sintering of an Al12Mg17-B-Si powder mixture. The structure, phase composition, and mechanical properties of the obtained composites were studied. It was found that various compounds bas
Externí odkaz:
https://doaj.org/article/ef8275d173c44772aef0ddbb08f10d49
Publikováno v:
Materials, Vol 15, Iss 7, p 2668 (2022)
In this study, we successfully obtained Al-TiB2 composite materials using self-propagating high-temperature synthesis and preliminary mechanical activation of the initial Al-(Ti + 2B) powder mixture with a high aluminum content (70 wt.%). We investig
Externí odkaz:
https://doaj.org/article/161daa4753f047a1b3c17907e8ca659d
Autor:
Anton Khrustalyov, Ilya Zhukov, Pavel Nikitin, Vladislav Kolarik, Friedrich Klein, Anastasia Akhmadieva, Alexander Vorozhtsov
Publikováno v:
Metals, Vol 12, Iss 2, p 277 (2022)
In this work, magnesium-based composites were obtained by shock-wave compaction of a powder mixture of Mg-5 wt.% AlN at a shock-wave pressure of 2 GPa. Their microstructure was investigated and the phase composition was determined, from which it foll
Externí odkaz:
https://doaj.org/article/6672d486a1e843ffa1884f163d411e2c
Autor:
Victor Spangenberg, Mikhail Losev, Ilya Volkhin, Svetlana Smirnova, Pavel Nikitin, Oxana Kolomiets
Publikováno v:
Cells, Vol 10, Iss 12, p 3375 (2021)
Although the pericentromeric regions of chromosomes that are enriched in tandemly repeated satellite DNA represent a significant part of eukaryotic genomes, they remain understudied, which is mainly due to interdisciplinary knowledge gaps. Recent stu
Externí odkaz:
https://doaj.org/article/b3a44a588d134ee2a8575a1ddaed2cc3
Publikováno v:
Materials, Vol 14, Iss 19, p 5482 (2021)
In this work, the process for obtaining aluminum nitride in the combustion mode of co-flow filtration of a nitrogen–argon mixture was investigated. The combustion of granules consisting of aluminum and aluminum nitride as an inert diluent was studi
Externí odkaz:
https://doaj.org/article/ee22ae82f1b8420dbd51e8e9c2831043
Autor:
Pavel Nikitin, Ilya Zhukov, Aleksey Matveev, Sergei Sokolov, Mikhail Grigoriev, Alexander Vorozhtsov
Publikováno v:
Materials, Vol 14, Iss 19, p 5521 (2021)
AlMgB14-TiB2 composite materials were fabricated by self-propagating high-temperature synthesis (SHS) followed by spark plasma sintering of the obtained SHS products. It was found that, during the SHS, the AlMgB14 phase is formed at a donor (Ti + 2B)
Externí odkaz:
https://doaj.org/article/311a742800884bab81105a3ae2e44a04
Autor:
Ilya Zhukov, Alexander Kozulin, Anton Khrustalyov, Dmitrii Tkachev, Vladimir Platov, Pavel Nikitin, Alexander Vorozhtsov
Publikováno v:
Metals, Vol 11, Iss 10, p 1564 (2021)
In the work, the possibility of obtaining strong welded joints of aluminum alloys modified with particles is demonstrated. For research, strengthened aluminum alloys of the Al-Mg-Mn system with the introduction of TiB2 particles were obtained. TiB2 p
Externí odkaz:
https://doaj.org/article/00473518cdd64dc89e40a6cc5e19a2fc