Фазово-структурний стан високоентропійного AlCoNiFeCrTi сплаву в процесі механічного легування та гомогенізації

Фазово-структурний стан високоентропійного AlCoNiFeCrTi сплаву в процесі механічного легування та гомогенізації

The results of the synthesis high entropy AlCoNiFeCrTi alloy from elemental powder mixture by short-term mechanical alloying (MA) method in high energy planetary mill and  subsequent annealing at 1200 °С for 1 hour were shown. Phase and structural transformations were studied by X-ray diffr...

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Bibliographic Details
Date:2019
Main Authors: Cherniavskyi, V. V., Hushchyk, D. V., Yurkova, A. Y.
Format: Article
Language:Ukrainian
Published: Physico- Technological Institute of Metals and Alloys of the NAS of Ukraine 2019
Subjects:
механічне легування
фазовий склад
високоентропійний сплав
мікроструктура
відпал
Online Access:https://momjournal.org.ua/index.php/mom/article/view/2019-1-1
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Journal Title:Metal Science and Treatment of Metals

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Metal Science and Treatment of Metals
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Summary:The results of the synthesis high entropy AlCoNiFeCrTi alloy from elemental powder mixture by short-term mechanical alloying (MA) method in high energy planetary mill and  subsequent annealing at 1200 °С for 1 hour were shown. Phase and structural transformations were studied by X-ray diffraction and microstructural analysis with MA and after annealing alloys. Synthesized high entropy AlCoNiFeCrTi alloys consist of BCC and FCC solid solutions, intermetallic compounds AlTiСо2, Cr0,99Fe1,01 (s-phase) and TiC depending on time MA. The microhardness of HV alloys after annealing is 9–10 GPa.

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