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A new semi-solid ca...
A new semi-solid casting technique for fabricating SiC-reinforced Mg alloys matrix composites
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- Esmaily, Mohsen, 1987 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Mortazavi Seyedeh, Nooshin, 1986 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Svensson, Jan-Erik, 1965 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Halvarsson, Mats, 1965 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Wessén, Magnus (author)
- Jönköping University,JTH. Forskningsmiljö Material och tillverkning – Gjutning
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- Johansson, Lars-Gunnar, 1952 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Jarfors, Anders E.W. (author)
- Jönköping University,JTH. Forskningsmiljö Material och tillverkning – Gjutning
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(creator_code:org_t)
- Elsevier BV, 2016
- 2016
- English.
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In: Composites Part B: Engineering. - : Elsevier BV. - 1359-8368 .- 1879-1069. ; 94, s. 176-189
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Abstract
Subject headings
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- The capability of the newly developed rheocasting (RC) technique in combination with the RheoMetal process for producing SiC particulate-reinforced AM50 and AZ91D matrix composites (Mg-based MMCs) was investigated. The quality of the MMCs was studied by analyzing the fraction of casting pores, number density of SiC clusters and the uniformity of SiC particles. Solid fraction, particle size and oxidation of SiC particles had strong impacts on the overall quality of the MMCs. The MMCs produced by 40% solid fraction and oxidized micron-sized SiC particles exhibited an excellent casting quality. A low-quality MMC was obtained when non-oxidized sub-micron sized SiC particles were employed. The results showed the formation of various types intermetallic particles and carbides such as MgO, Mg2Si, Al2MgC2, Mg2C3, Al4C3 as the interfacial reaction products of SiC/Mg alloy's melts. Mg hydride (alpha-MgH2) was also identified in inter-dendritic regions of the MMCs for the first time.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
Keyword
- Magnesium alloys
- Metal-matrix composites (MMCs)
- Microstructures
- Casting
Publication and Content Type
- art (subject category)
- ref (subject category)
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