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Evaluation of microstructure and mechanical properties of Al-TiC metal matrix composite prepared by conventional, microwave and spark plasma sintering methods

journal contribution
posted on 2023-02-15, 04:31 authored by E Ghasali, A Fazili, M Alizadeh, K Shirvanimoghaddam, T Ebadzadeh
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.

History

Journal

Materials

Volume

10

Pagination

1255-1255

Location

Switzerland

ISSN

1996-1944

eISSN

1996-1944

Language

en

Issue

11

Publisher

MDPI AG

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