The effect of TiB2 powder on microstructure and mechanical behavior of Al-TiB2 metal matrix composites

N. Ehsani; F. Abdi; H. Abdizadeh; H. R. Baharvandi

doi:10.1117/12.791738

8 January 2008 The effect of TiB₂ powder on microstructure and mechanical behavior of Al-TiB₂ metal matrix composites

N. Ehsani, F. Abdi, H. Abdizadeh, H. R. Baharvandi

Proceedings Volume 6423, International Conference on Smart Materials and Nanotechnology in Engineering; 642369 (2008) https://doi.org/10.1117/12.791738
Event: International Conference on Smart Materials and Nanotechnology in Engineering, 2007, Harbin, China

Abstract

Cast metal matrix composites produced by stir casting method have cost advantages over the composites made by other techniques. In this study, the influence of TiB₂ volume fraction on microstructure and mechanical properties of Al-TiB₂ composites has been investigated. Three different volume fractions (5, 10, and 15) of particulate TiB₂ were used in production of aluminum matrix composite at 750°C. Microstructure of the composites was studied by Scanning Electron Microscopy (SEM). Composition of the samples was analyzed by X-ray diffraction (XRD). The mechanical properties of the specimens (hardness and tensile strength) were also measured. Experimental results show that the microstructure is remarkably affected by TiB₂ addition level. The mechanical properties were considerably improved by addition of TiB₂ particles.

Citation Download Citation

N. Ehsani, F. Abdi, H. Abdizadeh, and H. R. Baharvandi "The effect of TiB₂ powder on microstructure and mechanical behavior of Al-TiB₂ metal matrix composites", Proc. SPIE 6423, International Conference on Smart Materials and Nanotechnology in Engineering, 642369 (8 January 2008); https://doi.org/10.1117/12.791738

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