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Metals 2015, 5(4), 2277-2288; doi:10.3390/met5042277

Effect of Additions of Ceramic Nanoparticles and Gas-Dynamic Treatment on Al Casting Alloys

1
Department of Chemical Engineering and Materials, Ariel University, Ariel 40700, Israel
2
Electrometallurgical Faculty, the National Metallurgical Academy of Ukraine, 4 Gagarina Ave., Dnepropetrovsk 49600, Ukraine
*
Author to whom correspondence should be addressed.
Academic Editor: Hugo F. Lopez
Received: 18 October 2015 / Revised: 24 November 2015 / Accepted: 27 November 2015 / Published: 3 December 2015
View Full-Text   |   Download PDF [770 KB, uploaded 3 December 2015]   |  

Abstract

In recent years, improving the mechanical properties of metals has become the main challenge in the modern materials and metallurgical industry. An alloying process is usually used to achieve advanced performance of metals. This paper, however, describes an alternative approach. Modification with ceramic nanoparticles, gas-dynamic treatment (GDT) and a combined treatment were investigated on a hypoeutectic Al-Si A356 alloy. Microstructural studies revealed the refinement of coarse α-Al grains and the formation of distributed eutectic Si particles. Subsequent testing of the mechanical properties revealed improvement after applying each of the treatments. The best results were obtained after modification with TiCN nanoparticles followed by GDT; the tensile strength and elongation of the A356 alloys increased by 18% and 19%, respectively. View Full-Text
Keywords: aluminum casting; nanomaterials; casting; gas-dynamic treatment; mechanical properties aluminum casting; nanomaterials; casting; gas-dynamic treatment; mechanical properties
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Borodianskiy, K.; Selivorstov, V.; Dotsenko, Y.; Zinigrad, M. Effect of Additions of Ceramic Nanoparticles and Gas-Dynamic Treatment on Al Casting Alloys. Metals 2015, 5, 2277-2288.

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