Microstructure of WE43 Magnesium Matrix Composite Reinforced Ceramic Particles

Tomasz Rzychoń; Maciej Dyzia; Izabela Pikos

doi:10.4028/www.scientific.net/SSP.211.101

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Microstructure of WE43 Magnesium Matrix Composite Reinforced Ceramic Particles

Abstract:

Magnesium alloys containing yttrium and neodymium are known to have high specific strength, good creep and corrosion resistance up to 523 K. The addition of ceramic particles strengthens the metal matrix composite resulting in better wear and creep resistance while maintaining good machinability. In the present study, WE43 magnesium matrix composite reinforced with SiC and carbon particulates were fabricated by stir casting. The microstructure of the composite was investigated by optical microscopy, quantitative metallography, scanning electron microscope and XRD analysis. Microstructure characterization of WE43 MMC showed inhomogeneous reinforcement distribution and presence of shrinkage porosity. Reinforcing particles are well bonded with the matrix, however, in some cases thin reaction layers was detected. The presence of SiC particles assisted in improving hardness.

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Periodical:

Solid State Phenomena (Volume 211)

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101-108

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https://doi.org/10.4028/www.scientific.net/SSP.211.101

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Online since:

November 2013

Authors:

Tomasz Rzychoń*, Maciej Dyzia, Izabela Pikos

Keywords:

Magnesium Matrix Composite, Microstructure, WE43 Alloy

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