Nanocrystallization of Ag-incorporated stainless steel surface for enhanced resistance to corrosion and bacterial colonization

Incorporating silver as an antimicrobial compound into the surface of medical implants may directly attack bacteria, thus preventing bacteria-induced infections. However, it was demonstrated that stainless steel (frequently used as an implant material) incorporated with Ag, though exhibiting enhance...

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Bibliographic Details
Published in:Philosophical magazine letters 2011-11, Vol.91 (11), p.697-704
Main Authors: Yu, Bin, Davis, Elisabeth M., Lesiuk, Adam E., Irvin, Randall T., Li, D.Y.
Format: Article
Language:English
Subjects:
adhesion
Ag-incorporated stainless steel
Applied sciences
Bacteria
bacterial binding
Chemical synthesis methods
Condensed matter: structure, mechanical and thermal properties
Corrosion
Corrosion prevention
Cross-disciplinary physics: materials science
rheology
Equations of state, phase equilibria, and phase transitions
Exact sciences and technology
Materials science
Metals. Metallurgy
Methods of nanofabrication
Nanocrystals
Physics
Silver
Solid-solid transitions
Specific phase transitions
Stainless steel
surface nanocrystallization
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Summary:Incorporating silver as an antimicrobial compound into the surface of medical implants may directly attack bacteria, thus preventing bacteria-induced infections. However, it was demonstrated that stainless steel (frequently used as an implant material) incorporated with Ag, though exhibiting enhanced anti-bacterial capability, showed a decreased resistance to corrosion in the physiological environment. In this study, we demonstrate a promising approach for suppressing both the corrosion and the bacterial colonization of stainless steel by a combination of silver incorporation and surface nanocrystallization.
ISSN:0950-0839
1362-3036
DOI:10.1080/09500839.2011.608386