Abstract
The present work relates to the preparation of Al–AlB2 in situ composite and investigates the characteristics of corrosion of in situ composites in sodium chloride media. Composites containing matrix alloy, XAlB2 (X—1, 3, and 5 wt%), were prepared by an in situ technique involving the chemical reaction between base matrix and halide salt KBF4. To know about the uniform distribution of AlB2 dispersoid in the Al6061 base matrix, microstructural characterization was carried out using SEM. Potentiodynamic Tafel polarization curves have fetched some of the electrochemical parameters. Outcome of the research concludes that higher corrosion resistance was offered by composites compared to base matrix in the selected corrosion media.
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