Investigation of the structure and mechanical properties of castings of alloy AlSi7Mg, cast irons GG15 and GG25 and steel GX120Mn12, modified by nanosized powders-Reference-Cited by-同舟云学术

Investigation of the structure and mechanical properties of castings of alloy AlSi7Mg, cast irons GG15 and GG25 and steel GX120Mn12, modified by nanosized powders

Published:2013-11-29 Issue:1 Volume:228 Page:11-18
ISSN:1740-3499
Container-title:Proceedings of the Institution of Mechanical Engineers, Part N: Journal of Nanoengineering and Nanosystems
language:en
Short-container-title:Proceedings of the Institution of Mechanical Engineers, Part N: Journal of Nanoengineering and Nanosystems

Author:

Kuzmanov Pavel¹,Dimitrova Rosica¹,Lazarova Rumyana¹,Cherepanov Anatoly²,Popov Saho¹,Petrov Roumen³⁴,Manolov Valentin¹

Affiliation:

1. Department of Technologies and Equipment for Special Steels and Alloys, Institute of Metal Science, Equipment and Technologies ‘Acad. A. Balevski’ with Hydroaerodynamics Centre, Bulgarian Academy of Sciences, Sofia, Bulgaria

2. Department of Thermomechanics and Strength of New Materials, Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia

3. Department of Materials Science and Engineering, Ghent University, Ghent, Belgium

4. Department of Materials Science and Engineering, Delft University of Technology, Delft, The Netherlands

Abstract

The influence of nanopowders on the structure and mechanical properties was investigated in castings of aluminium alloy AlSi7Mg, grey cast irons GG15 and GG25 and steel GX120Mn12. Mixtures of SiC, TiCN and Y2O3 nanopowders were used. These mixtures or nanocompositions were coated with Cu, Cr, Ni and Fe metal protectors in order to improve wetting of the metal melt. Introducing small amounts of nanocompositions (less than 0.1 wt%) into the melt was found to refine the microstructure and improve the mechanical properties of the castings.

Publisher

SAGE Publications

Subject

Electrical and Electronic Engineering,Condensed Matter Physics,General Materials Science

Link

http://journals.sagepub.com/doi/pdf/10.1177/1740349913510295

Reference6 articles.

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