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research-article

Development of gradient concentrated single phase fine Mg-Zn particles and effect on structure and mechanical properties

[+] Author and Article Information
Fida Hassan Syed

Department of Mechanical Engineering, King Fahd University of Petroleum & Minerals, P.O. Box 1061, Dhahran 31261, Kingdom of Saudi Arabia, Telephone: +966 13 860 7787; Fax: +966 13 860 2949
sfhassan@kfupm.edu.sa

Osamah Siddiqui

Department of Mechanical Engineering, King Fahd University of Petroleum & Minerals, P.O. Box 1061, Dhahran 31261, Kingdom of Saudi Arabia, Telephone: +966 13 860 7787; Fax: +966 13 860 2949
osamah.siddiqui@gmail.com

Muhammad Fares Ahmed

Department of Mechanical Engineering, King Fahd University of Petroleum & Minerals, P.O. Box 1061, Dhahran 31261, Kingdom of Saudi Arabia, Telephone: +966 13 860 7787; Fax: +966 13 860 2949
fares.mohd95@gmail.com

Ammar Ibrahim Alnawwah

Department of Mechanical Engineering, King Fahd University of Petroleum & Minerals, P.O. Box 1061, Dhahran 31261, Kingdom of Saudi Arabia, Telephone: +966 13 860 7787; Fax: +966 13 860 2949
pro-mr@hotmail.com

1Corresponding author.

ASME doi:10.1115/1.4041865 History: Received March 08, 2018; Revised October 22, 2018

Abstract

In this study, we used powder metallurgy process to develop gradient concentrated single phase fine magnesium-zinc alloy particles. Fine magnesium particles were initially dry coated with nanometer size zinc particles in homogeneous manner and cold compacted to cylindrical billet. Zinc atoms were diffused in to the magnesium particles during high temperature sintering process and produced the single phase gradient solid solution. The gradient concentration of zinc induced gradual grain refinement in the magnesium particles. The powder metallurgy processed gradient concentrated alloy particles showed an excellent level of hardness, strength, ductility and fracture toughness in their bulk form, which was even much higher when compared with unalloyed magnesium. Despite having gradient solid solution structure, the developed alloy particles showed homogeneous properties in their bulk form.

Copyright (c) 2018 by ASME
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