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Materials 2017, 10(11), 1255; doi:10.3390/ma10111255

Evaluation of Microstructure and Mechanical Properties of Al-TiC Metal Matrix Composite Prepared by Conventional, Microwave and Spark Plasma Sintering Methods

1
Ceramic Department, Materials and Energy Research Center, Alborz, P.O. Box 31787-316 Karaj, Iran
2
Carbon Nexus, Institute for Frontier Materials, Deakin University, Geelong, VIC 3216, Australia
*
Authors to whom correspondence should be addressed.
Received: 6 October 2017 / Revised: 24 October 2017 / Accepted: 25 October 2017 / Published: 31 October 2017
(This article belongs to the Section Advanced Composites)
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Abstract

In this research, the mechanical properties and microstructure of Al-15 wt % TiC composite samples prepared by spark plasma, microwave, and conventional sintering were investigated. The sintering process was performed by the speak plasma sintering (SPS) technique, microwave and conventional furnaces at 400 °C, 600 °C, and 700 °C, respectively. The results showed that sintered samples by SPS have the highest relative density (99% of theoretical density), bending strength (291 ± 12 MPa), and hardness (253 ± 23 HV). The X-ray diffraction (XRD) investigations showed the formation of TiO2 from the surface layer decomposition of TiC particles. Scanning electron microscopy (SEM) micrographs demonstrated uniform distribution of reinforcement particles in all sintered samples. The SEM/EDS analysis revealed the formation of TiO2 around the porous TiC particles. View Full-Text
Keywords: aluminum; titanium carbide; microwave; spark plasma sintering aluminum; titanium carbide; microwave; spark plasma sintering
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Ghasali, E.; Fazili, A.; Alizadeh, M.; Shirvanimoghaddam, K.; Ebadzadeh, T. Evaluation of Microstructure and Mechanical Properties of Al-TiC Metal Matrix Composite Prepared by Conventional, Microwave and Spark Plasma Sintering Methods. Materials 2017, 10, 1255.

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