Micro Investigation into Positron Annihilation, Tribological and Mechanical Properties of Compacted Zn, ZnO2 and Zn-ZSM-5 Nano Powders
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064

Research Paper | Mechanical Engineering | Egypt | Volume 6 Issue 10, October 2017

Micro Investigation into Positron Annihilation, Tribological and Mechanical Properties of Compacted Zn, ZnO2 and Zn-ZSM-5 Nano Powders

Hala M. Abo-Dief

The application of Nanotechnology of metals has recently gained momentum, and environmental impact. Nano composites are known for their outstanding mechanical and physical properties due to their extremely fine grain size and high grain boundary volume fraction. The present work aimed at investigating the positron annihilation, tribological and mechanical properties of compacted Zn, ZnO2 and Zn-ZSM-5 Nano Powders. The Nano specimens are compacted at constant compaction force of 130KN at room temperature. A wear test is carried out at a wear linear velocity range of 0.65 to 1.65 m/sec. The effect of both h/d and wear linear velocity on the compaction force, weight loss, compressive strength and Vickers micro hardness are carried and investigated. The Nano compacted specimens of the optimum h/d ratio are heated at temperature range from 100OC to 400OC and used to discuss the effect of the compaction process and heating temperature on the number and size of the compaction voids of the Nano materials used. It is clear that as h/d decreases, both mechanical and tribological properties increases and as compacted Nano powders temperature increases, the void size increases and void numbers decreases. The Zn-ZSM-5 Nano compacted powders has higher tribological, mechanical and better positron annihilation properties compared to both Nano Zn and ZnO2 compactions respectively.

Keywords: Zn, ZnO2 and Zn-ZSM-5 compacted Nano powders, compression and wear test, positron annihilation, and Vickers micro hardness

Edition: Volume 6 Issue 10, October 2017

Pages: 559 - 565

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How to Cite this Article?

Hala M. Abo-Dief, "Micro Investigation into Positron Annihilation, Tribological and Mechanical Properties of Compacted Zn, ZnO2 and Zn-ZSM-5 Nano Powders", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=ART20177149, Volume 6 Issue 10, October 2017, 559 - 565

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Hala M. Abo-Dief

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