Synthesis and characterization of ultra-hard ceramic AlMgB14-based materials obtained from AlxMgy intermetallic powder and boron powder by the spark plasma sintering I. A. Zhukov, P. Nikitin, A. B. Vorozhtsov, M. Boldin
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ArticleContent type: Текст Media type: электронный Subject(s): борид алюминия-магния | искровое плазменное спекание | сверхтвердые керамические материалы | интерметаллидыGenre/Form: статьи в сборниках Online resources: Click here to access online
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Characterization of minerals, metals, and materials 2020 P. 313-317Abstract: In this work, AlMgB14-based materials were produced from the intermetallic AlxMgy powder and boron powder using mechanical treatment with a planetary mill and subsequent spark plasma sintering (SPS). Phase composition and structure of obtained materials were examined. Phase composition of sintered material is represented by the AlMgB14 phase (~95 wt%) and the spinel phase MgAl2O4 (~5 wt%). The sintered bulk sample has a non-porous structure. The formation of the spinel phase is explained by the presence of oxygen in the raw boron powder.
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In this work, AlMgB14-based materials were produced from the intermetallic AlxMgy powder and boron powder using mechanical treatment with a planetary mill and subsequent spark plasma sintering (SPS). Phase composition and structure of obtained materials were examined. Phase composition of sintered material is represented by the AlMgB14 phase (~95 wt%) and the spinel phase MgAl2O4 (~5 wt%). The sintered bulk sample has a non-porous structure. The formation of the spinel phase is explained by the presence of oxygen in the raw boron powder.
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