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Cold Spray Coatings for Biomedical Applications

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Cold-Spray Coatings

Abstract

Cold spraying (CS) offers many advantages in front of the conventional thermal spraying processes and is becoming competitive in several industrial sectors. The biomedical industry is a quite well-established field, but still there are many challenges to solve where improvements in surface engineering can play a great role. The use of coatings in biomaterials has been fundamental on the improvement of mechanical as well as biological properties, thus, ameliorating human quality life. Studies about cold-sprayed coatings are emerging in orthopedics industry (internal fixation systems and prosthesis) as well as for antibacterial purposes (in body and touch external surfaces). These works are very new, and most deal with the improvement of biocompatibility and bioactivity of hard tissue replacement. Several combinations of substrate and coating materials are attempted, even trying to overcome any limitation on the spraying of ductile materials; biocompatible metallic materials, bioactive ceramics and polymers, and combinations have been successfully deposited by this method. 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.

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Acknowledgments

The authors also gratefully acknowledge the helpful comments and suggestions of the reviewers, which have improved the presentation.

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Correspondence to José Maria Guilemany .

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Dosta, S., Cinca, N., Vilardell, A.M., Cano, I.G., Guilemany, J.M. (2018). Cold Spray Coatings for Biomedical Applications. In: Cavaliere, P. (eds) Cold-Spray Coatings. Springer, Cham. https://doi.org/10.1007/978-3-319-67183-3_19

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