Formation and Sintering of Boehmite and Aluminum Oxide Nanopowders

A. V. Bersh; A. V. Belyakov; D. Yu. Mazalov; S. A. Solov’ev; L. V. Sudnik; A. V. Fedotov

doi:10.1007/s11148-017-0040-0

Formation and Sintering of Boehmite and Aluminum Oxide Nanopowders

Authors: Bersh A.V.¹, Belyakov A.V.², Mazalov D.Y.¹, Solov’ev S.A.¹, Sudnik L.V.¹, Fedotov A.V.¹
Affiliations:
1. FGBNU All-Russia Scientific-Research Institute of Tractor Fleet Repair and Operation (FGBNU GOSNITI)
2. FGBOU VO D. I. Mendeleev Russian Chemical Technology University
Issue: Vol 57, No 6 (2017)
Pages: 655-660
Section: Article
URL: https://bakhtiniada.ru/1083-4877/article/view/248684
DOI: https://doi.org/10.1007/s11148-017-0040-0
ID: 248684

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Abstract

Formation and sintering of nanostructured Al₂O₃ and boehmite powders prepared by hydrothermal synthesis from aluminum powder are studied. Formation of workpieces (green bodies) is performed by extrusion, static and explosive pressing followed by high-temperature sintering. Use of explosive pressing increases raw material density, reduces the temperature for α-Al₂O₃ formation, activates sintering, and improves ceramic operating properties.