Fabrication of biodegradable Zn-Al-Mg alloy: Mechanical properties, corrosion behavior, cytotoxicity and antibacterial activities

Bakhsheshi-Rad HR 1 , Hamzah E 2 , Low HT 2 , Kasiri-Asgarani M 3 , Farahany S 4 , Akbari E 5 Show all authors , Cho MH 6

Affiliations 

  • 1 Advanced Materials Research Center, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran. Electronic address: rezabakhsheshi@pmt.iaun.ac.ir
  • 2 Department of Materials, Manufacturing and Industrial Engineering, Faculty of Mechanical Engineering, Universiti Teknologi Malaysia (UTM), 81310 Johor Bahru, Johor, Malaysia
  • 3 Advanced Materials Research Center, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran
  • 4 Department of Materials and Mechanical Engineering, Buein Zahra Technical University, Qazvin 3451745346, Iran
  • 5 Department of Microbiology, Faculty of Biological Sciences, Falavarjan Branch, Islamic Azad University, Isfahan, Iran
  • 6 KISWIRE Sdn. Bhd, Research and Development Centre, Johor, Malaysia
Mater Sci Eng C Mater Biol Appl, 2017 Apr 01;73:215-219.
PMID: 28183601 DOI: 10.1016/j.msec.2016.11.138

Abstract

In this work, binary Zn-0.5Al and ternary Zn-0.5Al-xMg alloys with various Mg contents were investigated as biodegradable materials for implant applications. Compared with Zn-0.5Al (single phase), Zn-0.5Al-xMg alloys consisted of the α-Zn and Mg2(Zn, Al)11 with a fine lamellar structure. The results also revealed that ternary Zn-Al-Mg alloys presented higher micro-hardness value, tensile strength and corrosion resistance compared to the binary Zn-Al alloy. In addition, the tensile strength and corrosion resistance increased with increasing the Mg content in ternary alloys. The immersion tests also indicated that the corrosion rates in the following order Zn-0.5Al-0.5Mg

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