The Function of Al2O3-TiB2/Fe Composite Reinforcements in Aluminum Matrix Composites

The Function of Al2O3-TiB2/Fe Composite Reinforcements in Aluminum Matrix Composites

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Investigating the effect of Al2O3-TiB2/Fe complex reinforcement (CCMR) on the mechanical properties of aluminum composites was the goal of this study.For this purpose, the Al2O3-TiB2/Fe reinforcement powders were synthesized during milling and subsequent annealing.Different volume percentages of the produced reinforcement powders (1.

25, 2.5 Basketball Hoop and 5 vol.%) were added to aluminum matrix, milled for 10 h and then hot extruded.

The structural phasic and mechanical investigations of the specimens were carried out using X-ray diffraction, scanning electron microscopy and tensile test.The results showed that the metallic component (Fe rich phase) in this new type of reinforcement stuck the ceramic parts (Al2O3-TiB2) to aluminium matrix, and has an importance role in the flexibility of the product.The best volume percentage of CCMR in aluminium matrix was about 2.

5%.This nanocomposite had a combination of strength and ductility of about GREEN TEA 500 MPa and 6%, respectively.