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Cold spray as an emerging technology for biocompatible and antibacterial coatings: State of art
Univ Barcelona, Thermal Spray Ctr, Barcelona, Spain.
Univ Barcelona, Thermal Spray Ctr, Barcelona, Spain..
Univ Barcelona, Thermal Spray Ctr, Barcelona, Spain..
Univ Barcelona, Thermal Spray Ctr, Barcelona, Spain.
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2015 (English)In: Journal of Materials Science, ISSN 0022-2461, E-ISSN 1573-4803, Vol. 50, no 13, 4441-4462 p.Article, review/survey (Refereed) Published
Abstract [en]

The use of coatings in biomaterials has been fundamental on the applicability of many medical devices and has helped improve mechanical properties such as wear and fatigue and biological properties such as biocompatibility and bioactivity of implant prosthesis, thus, in essence, ameliorating human quality life. The aim of the present paper is to give a review on cold spray (CS) coating systems that are emerging in orthopedics industry (internal fixation systems and prosthesis) as well as those for antibacterial purposes (in body and touch external surfaces). These studies are very new, the oldest dating from the half of last decade and most deal with the improvement of biocompatibility and bioactivity of hard tissue replacement; therefore, research on biocoatings is in constant development with the aim to produce implant surfaces that provide a balance between cell adhesion and low cytotoxicity, mechanical properties, and functionalization. CS offers many advantages over conventional high-temperature processes and seems to be able to become competitive in front of the low-temperature techniques. It is mainly cost effective, appropriate for oxygen-sensitive materials, and environmentally green. It basically involves the use of feedstock material in powder form, which is supersonically sprayed onto the appropriate substrate but without any melting as it occurs in conventional thermal spray processes. Biocompatible metallic materials and polymers have been successfully deposited by this method because it is based on the plasticity of the coating material; pure ceramic deposits, for example of hydroxyapatite, are still a challenge.

Place, publisher, year, edition, pages
New York: Springer, 2015. Vol. 50, no 13, 4441-4462 p.
National Category
Biomaterials Science Materials Engineering Bio Materials Manufacturing, Surface and Joining Technology
Research subject
Materials Engineering
Identifiers
URN: urn:nbn:se:kau:diva-65095DOI: 10.1007/s10853-015-9013-1ISI: 000354093500001OAI: oai:DiVA.org:kau-65095DiVA: diva2:1154423
Available from: 2017-11-02 Created: 2017-11-02 Last updated: 2017-11-02Bibliographically approved

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