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HomeDefect and Diffusion ForumDefect and Diffusion Forum Vols. 309-310Fabrication and Microstructure of Al-Based Hybrid...

Fabrication and Microstructure of Al-Based Hybrid Composite Reinforced by B₄C and Ultra-Dispersed Tungsten

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Abstract:

Al-based hybrid composite reinforced by ultra-dispersed tungsten and B4C, was produced by mechanical alloying and hot extrusion. Structure of obtained composites was studied by scanning electron microscopy (SEM) and X-ray diffraction (XRD). The compressive and tensile properties of these materials were investigated. Tribological tests showed high antifriction properties and wear resistance of composite containing B4C and tungsten. The dilatometric measurements showed that thermal expansion coefficient remains approximately constant up to 500 °C.

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Periodical:

Defect and Diffusion Forum (Volumes 309-310)

Pages:

249-254

DOI:

https://doi.org/10.4028/www.scientific.net/DDF.309-310.249

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Online since:

March 2011

Authors:

Mikhail V. Gorshenkov, Sergey D. Kaloshkin, Victor V. Tcherdyntsev, Vladimir D. Danilov, Victor N. Gulbin

Keywords:

Al-Based Hybrid Composite, Boron Carbide, Mechanical Alloy, Tungsten

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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