Effect of Nano ZrO2 Additions on the Mechanical Properties of Ti-12Mo Composite by Powder Metallurgy Route

Ahmed El-Tantawy; Omayma A. El Kady; Hossam M. Yehia; Ibrahim M. Ghayad

doi:10.4028/www.scientific.net/KEM.835.367

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 835Effect of Nano ZrO2 Additions on the Mechanical...

Effect of Nano ZrO₂ Additions on the Mechanical Properties of Ti-12Mo Composite by Powder Metallurgy Route

Abstract:

Ti-12Mo/ZrO₂ nanocomposites are fabricated using the powder metallurgy technique for the potential of aerospace applications. Titanium-12 wt. % molybdenum metal matrix composite containing various percentages of ZrO₂(5, 10, and 15 wt. %) are prepared. The phase composition and microstructure of Ti-12Mo/ZrO₂ powder, as well as the consolidated composites), are investigated by both X-ray diffraction and scanning electron microscope (SEM) equipped with an energy dispersive spectrometer (EDS) respectively. All the consolidated composites are characterized by measuring the density, Vickers hardness, and wear rate. XRD refers to no new phase are formed between Ti, Mo, and ZrO₂ during the sintering process. Also, a good microstructure is achieved. Results indicated that the density of the sintered composites is increased with increasing ZrO₂ percent up to 5 wt. %. On the other hand, the highest hardness and highest wear resistance are achieved for 5 wt. % ZrO₂ sample. The present work demonstrated that Ti-12Mo/ZrO₂ composites have a high potential for aerospace applications.

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Key Engineering Materials (Volume 835)

Pages:

367-373

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.835.367

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Online since:

March 2020

Authors:

Ahmed El-Tantawy*, Omayma A. El Kady, Hossam M. Yehia, Ibrahim M. Ghayad

Keywords:

Aerospace Application, Ceramic Materials, Composite Materials, Powder Metallurgy

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