Structural relaxation features of spark plasma sintered Ni3Al samples D. A. Osipov, I. V. Smirnov, K. V. Grinyaev [et al.]
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ArticleContent type: Текст Media type: электронный Subject(s): релаксационные и структурные свойства | интерметаллидыGenre/Form: статьи в журналах Online resources: Click here to access online
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AIP Conference Proceedings Vol. 2509. P. 020151-1-020151-4Abstract: A study of the features of relaxation processes activation in Ni3Al samples obtained by ball milling and subsequent spark plasma sintering (SPS) was carried out. The effect of the duration of the preliminary high-energy ball milling (HEBM) on the activation of structural relaxation processes at temperatures above and below the SPS temperature was revealed. It was found that at temperatures above the synthesis temperature, the main relaxation processes are associated with the activation of primary recrystallization in the most defective regions, that consist of grains of submicron sizes. It was shown that the temperature of activation of high-defect states relaxation in SPS samples of Ni3Al decreases with an increase in the duration of the preliminary HEBM.
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A study of the features of relaxation processes activation in Ni3Al samples obtained by ball milling and subsequent spark plasma sintering (SPS) was carried out. The effect of the duration of the preliminary high-energy ball milling (HEBM) on the activation of structural relaxation processes at temperatures above and below the SPS temperature was revealed. It was found that at temperatures above the synthesis temperature, the main relaxation processes are associated with the activation of primary recrystallization in the most defective regions, that consist of grains of submicron sizes. It was shown that the temperature of activation of high-defect states relaxation in SPS samples of Ni3Al decreases with an increase in the duration of the preliminary HEBM.
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