Abstract
Friction stir processing was used to prepare aluminium metal matrix composite reinforced with B4C particles. The micro-hardness of the composite was improved by selecting the process parameters. Friction stir processing parameters, namely tool rotational speed, tool tilt angle and different pin profiles, were explored by using Taguchi’s L9 orthogonal array and analysis of variance. Optical microscopy and scanning electron microscopy were employed for microstructural analysis. X-ray diffraction was used to evaluate the residual stress. Experimental results illustrated that increased rotational speed, reduced tilt angle and square pin profile of the tool gave more uniform dispersal of B4C content with maximum micro-hardness. Small amounts of compressive residual stress developed at the stirred and thermo-mechanically affected zones confirmed the adequate improvement in micro-hardness. Micro-hardness of fabricated Al 6063/B4C composite surfaces was enhanced by 30% as compared to Al 6063 alloy.
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Articles in the same Issue
- Contents
- Original Contributions
- Two-dimensional TiC nanocrystals produced by molten salt treatment of carbon black and Ti2AlC
- Effect of Gd addition on non-isothermal and isothermal crystallisation of Cu–Zr–Al bulk metallic glass
- Effects of carbon doping on structure and magnetocaloric properties of Mn1.25Fe0.7P0.5Si0.5 alloys
- Composition design, microstructure, and mechanical properties of novel Ti–Co–Ni–Zr complex concentrated alloys
- The effect of V on the morphology of TiB2 particles in as-cast aluminum composites
- Parametric optimization of friction stir processing on micro-hardness of Al/B4C composite
- Improved in-vitro biocompatibility of LZ91 Mg–Li alloy by formation of nanostructured Ti coating through surface mechanical nano-alloying treatment
- Short Communications
- A solid-state approach for the low temperature synthesis of Cr3Si hollow particles
- Review
- Calcium substituted with magnesium, silver and zinc in hydroxyapatite: a review
- News
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Articles in the same Issue
- Contents
- Original Contributions
- Two-dimensional TiC nanocrystals produced by molten salt treatment of carbon black and Ti2AlC
- Effect of Gd addition on non-isothermal and isothermal crystallisation of Cu–Zr–Al bulk metallic glass
- Effects of carbon doping on structure and magnetocaloric properties of Mn1.25Fe0.7P0.5Si0.5 alloys
- Composition design, microstructure, and mechanical properties of novel Ti–Co–Ni–Zr complex concentrated alloys
- The effect of V on the morphology of TiB2 particles in as-cast aluminum composites
- Parametric optimization of friction stir processing on micro-hardness of Al/B4C composite
- Improved in-vitro biocompatibility of LZ91 Mg–Li alloy by formation of nanostructured Ti coating through surface mechanical nano-alloying treatment
- Short Communications
- A solid-state approach for the low temperature synthesis of Cr3Si hollow particles
- Review
- Calcium substituted with magnesium, silver and zinc in hydroxyapatite: a review
- News
- News