The effect of V2O5 addition on the microstructure and mechanical properties of Al-V2O5 composites prepared by spark plasma sintering

Zarghami, Fatemeh; Farashiani, Ali Akbar; Razavi, Mansour

doi:10.30501/jamt.2018.91773

Document Type : Original Reaearch Article

Authors

¹ Department of materials engineering, Karaj branch of Islamic Azad University, Alborz, Iran

² Department of ceramic, Materials and energy research center, Alborz, Iran

https://doi.org/10.30501/jamt.2018.91773

Abstract

In this present study, 5, 10 and 15 wt% V₂O₅ were added to aluminum matrix and the microstructure and mechanical properties of spark plasma sintered composites were investigated. The mixing process was conducted in ethanol media with high energy mixer mill and then the mixture was heated on the hot plate at 70°C. The sintering process was performed at the 400 and 450°C with vacuum condition and 10 and 30 MPa initial and final applied pressure, respectively. The XRD patterns showed interfacial product of Al₃V and reduction-transition in oxygen content by increasing of sintering temperature. The mechanical properties investigation revealed highest bending strength of 141±11 MPa and Vickers hardness of 103±12 (VHN) for specimens with 15wt% of V₂O₅ and sintered at 450°C. The FESEM images showed almost uniform distribution of reinforcement and local melting area with different types of vanadium oxide.

Keywords

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Journal of Advanced Materials and Technologies

The effect of V2O5 addition on the microstructure and mechanical properties of Al-V2O5 composites prepared by spark plasma sintering

References

References

Volume 7, Issue 3
December 2018
Pages 43-54

The effect of V2O5 addition on the microstructure and mechanical properties of Al-V2O5 composites prepared by spark plasma sintering

References

References

Volume 7, Issue 3December 2018Pages 43-54

Volume 7, Issue 3
December 2018
Pages 43-54