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Thermal Plasma Spraying as a New Approach for Preparation of Zinc Biodegradable Scaffolds: A Complex Material Characterization

A Correction to this article was published on 23 October 2019

This article has been updated


Zinc based materials have been studied as candidates for the fabrication of biodegradable implants. For applications in orthopedics, porous materials with reduced modulus of elasticity are desirable. Fabrication of porous zinc is challenging due to several processing difficulties, such as low melting point, easy evaporation and high reactivity with many porogen agents. In this work, we prepared a porous zinc sheet by thermal plasma spraying with a porosity of 16.8%. Mechanical, corrosion and biological characteristics of the prepared material were studied in detail. The porous zinc possessed reduced moduli of elasticity (2-6 GPa) and relatively high values of strengths (12-55 MPa—depending on the loading mode). The corrosion rate of the porous zinc was approximately 0.1 mm/a, and the extracts showed excellent murine L929 cell viability. The results suggest that thermal plasma spraying is usable for preparation of biodegradable porous zinc scaffolds.

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  • 23 October 2019

    The authors cited Project No. 16-06110S in the acknowledgements of the article. Please note the correct project is Project No. 18-06110S of The Czech Science Foundation.


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The authors (J. Čapek, J. Pinc, J. Kubásek, P. Veřtát, D. Vojtěch and Š. Msallamová) would like to thank the Czech Science Foundation (Project No. 16-06110S) for supporting this research. Moreover, J. Čapek would like to thank the Operational Programme Research, Development and Education financed by European Structural and Investment Funds and the Czech Ministry of Education, Youth and Sports (Project No. SOLID21-CZ.02.1.01/0.0/0.0/16_019/0000760) for supporting of this research.

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Correspondence to Jaroslav Čapek.

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Čapek, J., Pinc, J., Msallamová, Š. et al. Thermal Plasma Spraying as a New Approach for Preparation of Zinc Biodegradable Scaffolds: A Complex Material Characterization. J Therm Spray Tech 28, 826–841 (2019).

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  • biodegradable zinc
  • corrosion
  • mechanical properties
  • microstructure
  • thermal plasma spraying