Mechanical behaviour of aluminium based metal matrix composite reinforced with SI3N4 and B4C

This study examined the physical, mechanical, tribological, and corrosion properties of copper metal matrix composites reinforced with zirconium diboride (ZrB2). Cu-xZrB2 composites (x = 0.5, 10, 15, 20 wt.%) were produced by the ball-milling process and spark plasma sintering (SPS). Introducing ZrB2 particles into copper matrix composites significantly improves their mechanical and tribological properties while deteriorating their density, porosity, and corrosion properties. It was shown that the relative densities of the composites gradually decreased from 96% to 90%, with an increase in the ZrB2 content to 20 wt.%. Likewise, hardness, compressive strength, and wear resistance improved with increasing ZrB2 content in the copper matrix. Corrosion resistance tests in a 0.05 M sulfuric acid environment showed a disproportionate decrease in the resistance of this composite with an increase in the concentration of the ceramic phase compared to other environments.

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Mechanical behaviour of aluminium based metal matrix composite reinforced with SI3N4 and B4C

Cited by 2 publications

References 1 publication

Mechanical and tribological characteristics of Si3N4 reinforced aluminium matrix composites: A short review

Mechanical and tribological characteristics of Si3N4 reinforced aluminium matrix composites: A short review

Effect of ZrB2 Content on the Properties of Copper Matrix Composite

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