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Erschienen in:
2016 | OriginalPaper | Buchkapitel
The Use of Alumina and Zirconia Nanopowders for Optimization of the Al-Based Light Alloys
verfasst von : S. A. Vorozhtsov, V. V. Promakhov, D. G. Eskin, A. B. Vorozhtsov, I. A. Zhukov
Erschienen in: TMS 2015 144th Annual Meeting & Exhibition
Verlag: Springer International Publishing
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The paper presents data on the structure, phase composition and other properties of zirconia and alumina powders obtained by electric explosion of wire and plasma-chemical deposition methods. Scanning and transmission electron microscopy reveal that the nanoscale powders are composed of spherical particles and aggregates formed by these particles. X-ray diffraction is used to identify the parameters of the crystal structure of these powders. Specific surface area is determined for all powders by BET method. Powders are used to improve the mechanical properties of aluminum alloys. For the optimization of introduction reinforcement nanoparticles used ultrasonic treatment of the melt.