Effect of High‐Energy Ball Milling on Mechanical Properties of the Mg–Nb Composites Fabricated through Powder Metallurgy Process

Effect of High‐Energy Ball Milling on Mechanical Properties of the Mg–Nb Composites... IntroductionMagnesium (Mg) and its alloys are attracting great attention for a wide range of applications, such as locomotive, automotive, and aerospace according to their low density and high specific strength. Recently, Mg/Mg alloys have aroused more interest as promising material for medical applications due to similar mechanical properties to bone tissues, functional roles in human body, decent biocompatibility, and higher strength to weight ratio compared to other metallic and polymeric biomaterials. The biodegradable Mg/Mg alloy biomaterials can be used for temporary medical implants. Orthopaedic applications such as bone plate and screw and drug delivery could be the main applications of biodegradable Mg biomaterials. They provide a temporary support for a determined period and are degraded away after healing process of diseased tissue. However, some disadvantages such as low elastic modulus, limited cold workability, high degree of shrinkage during solidification, and high chemical reactivity have limited the use of Mg in some applications, such as casting processes, in wet atmospheric conditions, and automobiles and aerospace applications.To improve the mechanical properties of metallic Mg, besides alloying as one of the most common strategies, an alternative technique is the addition of reinforcements to Mg matrix. It introduces composite structures, resulting in improved http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Advanced Engineering Materials Wiley

Effect of High‐Energy Ball Milling on Mechanical Properties of the Mg–Nb Composites Fabricated through Powder Metallurgy Process

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Publisher
Wiley Subscription Services, Inc., A Wiley Company
Copyright
© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
ISSN
1438-1656
eISSN
1527-2648
D.O.I.
10.1002/adem.201700759
Publisher site
See Article on Publisher Site

Abstract

IntroductionMagnesium (Mg) and its alloys are attracting great attention for a wide range of applications, such as locomotive, automotive, and aerospace according to their low density and high specific strength. Recently, Mg/Mg alloys have aroused more interest as promising material for medical applications due to similar mechanical properties to bone tissues, functional roles in human body, decent biocompatibility, and higher strength to weight ratio compared to other metallic and polymeric biomaterials. The biodegradable Mg/Mg alloy biomaterials can be used for temporary medical implants. Orthopaedic applications such as bone plate and screw and drug delivery could be the main applications of biodegradable Mg biomaterials. They provide a temporary support for a determined period and are degraded away after healing process of diseased tissue. However, some disadvantages such as low elastic modulus, limited cold workability, high degree of shrinkage during solidification, and high chemical reactivity have limited the use of Mg in some applications, such as casting processes, in wet atmospheric conditions, and automobiles and aerospace applications.To improve the mechanical properties of metallic Mg, besides alloying as one of the most common strategies, an alternative technique is the addition of reinforcements to Mg matrix. It introduces composite structures, resulting in improved

Journal

Advanced Engineering MaterialsWiley

Published: Jan 1, 2018

Keywords: ; ; ; ;

References

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