Issue 99, 2014

The control of crystallographic texture in the use of magnesium as a resorbable biomaterial

Abstract

Magnesium and its alloys are an emerging class of resorbable materials for orthopedic and cardiovascular applications. The typical strategy underlying the development of these materials involves the control of material processing routes and the addition of alloying elements. Crystallographic texture is known to control bulk mechanical as well as surface properties. However, its role in determining the properties of magnesium for implant materials has not been well studied. In this work, an extruded rod of pure magnesium was cut in multiple directions to generate samples with different textures. It was found that texture significantly affected the strength and ductility of magnesium. Corrosion rates in Hank's solution decreased with the increased presence of low energy basal planes at the surface. In vitro cell studies revealed that changes in texture did not induce cytotoxicity. Thus, the control of texture in magnesium based implants could be used to tailor the mechanical properties and the resorption rates without compromising cytocompatibility. This study elucidates the importance of texture in the use of magnesium as a resorbable biomaterial.

Graphical abstract: The control of crystallographic texture in the use of magnesium as a resorbable biomaterial

Article information

Article type
Paper
Submitted
11 Aug 2014
Accepted
10 Oct 2014
First published
10 Oct 2014

RSC Adv., 2014,4, 55677-55684

Author version available

The control of crystallographic texture in the use of magnesium as a resorbable biomaterial

S. Bahl, S. Suwas and K. Chatterjee, RSC Adv., 2014, 4, 55677 DOI: 10.1039/C4RA08484E

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