Heimann Robert B
Am Stadtpark 2A, D-02826 Görlitz, Germany.
Materials (Basel). 2023 Jul 21;16(14):5142. doi: 10.3390/ma16145142.
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.
氮化硅陶瓷因其卓越的机械、热学和化学性能而表现出色，这些性能使该材料适用于多个技术挑战性领域的应用。除了高温应用外，高应力应用已在航空航天燃气轮机、内燃机以及金属制造、成型和加工工具中得以实现。在过去几十年里，人们进行了广泛的研究，以使氮化硅适用于各种生物医学应用。本文论述了氮化硅的结构-性能-应用关系。与传统氧化物基陶瓷的比较证实，氮化硅有利的机械性能和生物医学性能基于高比例的共价键。本文对目前的生物医学应用进行了综述，包括椎间间隔器、骨科和牙科植入物、抗菌和抗病毒应用以及用于医学诊断的光子部件。
