Silicon Nitride Ceramics: Structure, Synthesis, Properties, and Biomedical Applications

Silicon nitride ceramics excel by superior mechanical, thermal, and chemical properties that render the material suitable for applications in several technologically challenging fields. In addition to high temperature, high stress applications have been implemented in aerospace gas turbines and inte...

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Main Author: Robert B. Heimann
Format: Article
Language:English
Published: MDPI AG 2023-07-01
Series:Materials
Subjects:
Online Access:https://www.mdpi.com/1996-1944/16/14/5142
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author Robert B. Heimann
author_facet Robert B. Heimann
author_sort Robert B. Heimann
collection DOAJ
description Silicon nitride ceramics excel by superior mechanical, thermal, and chemical properties that render the material suitable for applications in several technologically challenging fields. In addition to high temperature, high stress applications have been implemented in aerospace gas turbines and internal combustion engines as well as in tools for metal manufacturing, forming, and machining. During the past few decades, extensive research has been performed to make silicon nitride suitable for use in a variety of biomedical applications. This contribution discusses the structure–property–application relations of silicon nitride. A comparison with traditional oxide-based ceramics confirms that the advantageous mechanical and biomedical properties of silicon nitride are based on a high proportion of covalent bonds. The present biomedical applications are reviewed here, which include intervertebral spacers, orthopedic and dental implants, antibacterial and antiviral applications, and photonic parts for medical diagnostics.
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spelling doaj.art-5347a64e0ce745a0bdb30eba9f389c232023-11-18T20:18:37ZengMDPI AGMaterials1996-19442023-07-011614514210.3390/ma16145142Silicon Nitride Ceramics: Structure, Synthesis, Properties, and Biomedical ApplicationsRobert B. Heimann0Am Stadtpark 2A, D-02826 Görlitz, GermanySilicon nitride ceramics excel by superior mechanical, thermal, and chemical properties that render the material suitable for applications in several technologically challenging fields. In addition to high temperature, high stress applications have been implemented in aerospace gas turbines and internal combustion engines as well as in tools for metal manufacturing, forming, and machining. During the past few decades, extensive research has been performed to make silicon nitride suitable for use in a variety of biomedical applications. This contribution discusses the structure–property–application relations of silicon nitride. A comparison with traditional oxide-based ceramics confirms that the advantageous mechanical and biomedical properties of silicon nitride are based on a high proportion of covalent bonds. The present biomedical applications are reviewed here, which include intervertebral spacers, orthopedic and dental implants, antibacterial and antiviral applications, and photonic parts for medical diagnostics.https://www.mdpi.com/1996-1944/16/14/5142silicon nitridestructureprocessingpropertiesbiomedical application
spellingShingle Robert B. Heimann
Silicon Nitride Ceramics: Structure, Synthesis, Properties, and Biomedical Applications
Materials
silicon nitride
structure
processing
properties
biomedical application
title Silicon Nitride Ceramics: Structure, Synthesis, Properties, and Biomedical Applications
title_full Silicon Nitride Ceramics: Structure, Synthesis, Properties, and Biomedical Applications
title_fullStr Silicon Nitride Ceramics: Structure, Synthesis, Properties, and Biomedical Applications
title_full_unstemmed Silicon Nitride Ceramics: Structure, Synthesis, Properties, and Biomedical Applications
title_short Silicon Nitride Ceramics: Structure, Synthesis, Properties, and Biomedical Applications
title_sort silicon nitride ceramics structure synthesis properties and biomedical applications
topic silicon nitride
structure
processing
properties
biomedical application
url https://www.mdpi.com/1996-1944/16/14/5142
work_keys_str_mv AT robertbheimann siliconnitrideceramicsstructuresynthesispropertiesandbiomedicalapplications