E-ISSN 2168-9806
Publisher Name OMICS International
Email metallurgy@scholarlyjournals.org
Language English
Starting Year 2012
Frequency Quaterly
Website https://www.omicsonline.org/powder-metallurgy-mining.php
Country United States
Accessing Method
Articles Format PDF
License Type Normal
Impact Factor

Not Indexed

Description This research aims to improve the mechanical properties and corrosion resistance of magnesium based composites with addition of zinc and manganese as alloying elements. Mg-Zn-HA, Mg-Mn-HA and Mg-Zn-MnHA composites with Mg-HA composite as control have been fabricated through powder metallurgy route. 1.5wt% of alloying elements was added into magnesium matrix for each composite. The composites were prepared by mechanical alloying followed by compaction under 400 MPa and sintering at 400°C. The results showed that with additional alloying element, micro-hardness, compressive strength and corrosion resistance of composites are significantly enhanced compared with Mg-HA composite. The Mg-Zn-Mn-HA composite showed the best properties among Mg-based composite with density, micro-hardness and compressive strength of 1.77 g/cm3, 65.5 HV and 210 MPa respectively all in range of properties of human bone. Immersion test in Hank’s Balanced Salt Solution (HBSS), weight loss of Mg-Zn-Mn-HA reduces to 0.61% when immerse for 5 hours and to 6.20% for 24 hours immersion.

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