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Technical Note
Influence of B4C particle size on the mechanical behavior of A356 aluminium composites
Zeeshan Ali1, V Muthuraman2, P Rathnakumar1, P Gurusamy3, Madeva Nagaral4
1Department of Mechanical Engineering, Navodaya Institute of Technology, Raichur, Karnataka, India
2Vels Institute of Science, Technology and Advanced Studies, Chennai, India
3Department of Mechanical Engineering, Chennai Institute of Technology, Chennai, India
4DAircraft Research and Design Centre, HAL, Bengaluru, Karnataka, India
Keywords
Abstract
A356 Alloy;
B4C;
SEM;
EDS;
Tensile Strength;
Compressive Strength;
Impact Toughness
The influence of adding B4C particulates with a 40 and 90 µm sizes on the compressive strength, tensile strength and impact toughness of the A356 alloy is being studied. In the Al alloy matrix, 40 and 90 µm -sized micro B4C particulates are employed as reinforcements. In the A356 alloy, composites are created utilizing the liquid melt process in increments of 3 and 6 weight percent. Using an energy dispersive spectroscope (EDS) and a scanning electron microscope (SEM), samples are examined for microstructural characterization. According to ASTM standards, mechanical characteristics including tensile, hardness, compression, and toughness are assessed. The consistent distribution of B4C particles in the A356 alloy is seen in SEM micrographs, and this is supported by EDS analysis. Additionally, the inclusion of B4C reinforcement improves the compression and impact strength of the base matrix A356 alloy, which is especially noticeable in the case of reinforced composites that are 6 wt. % of 40 µm B4C in size.
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