Abstract
Some results are described concerning the development of composite material based on sintered aluminum powder containing small additives of Al 2 O 3 nanoparticles produced by plasma-chemical method. The reasons of using small nanoparticle concentrations from the point of view of the role of inter- phase layer, Orowan hardening mechanism, etc. are given. Some properties and the microstructure of produced alumina-composites with various con- tent of nanoparticles are presented. According to the known laws, the Orowan strain is calculated for investigated composites as one of possible con- tributions to the increase in material strength.
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Schedule a callMore From: Izvestiya Vuzov. Poroshkovaya Metallurgiya i Funktsional’nye Pokrytiya (Proceedings of Higher Schools. Powder Metallurgy аnd Functional Coatings)
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