Nitriding high entropy alloy films: Opportunities and challenges

• Published in: Surface & coatings technology Vol. 476; p. 130157
• Main Authors: Wu, Xinmeng, Xu, Xin, Jiang, Yaohong, Chen, Chunyan, Han, Haiwei, Zhao, Lijun, Xu, Junhua, Yu, Lihua
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 30-01-2024
• Subjects: Core effects; High entropy alloys; Microstructure evolutions; Nitride films; Versatile properties; High entropy alloys; Versatile properties; Core effects; Nitride films; Microstructure evolutions
• ISSN: 0257-8972; 1879-3347
• DOI: 10.1016/j.surfcoat.2023.130157

High entropy nitride (HEN) films have attracted much attention due to their versatile properties, such as satisfactory mechanical properties, excellent anti-oxidation performance, outstanding corrosion resistance, and vitally important thermostability, indicating high application potentials. This paper reviews the four core effects and discusses several empirical parameters for phase prediction in HEAs. Then, this review focuses on the recent developments of HEN films, introducing how N contents as well as other factors influences the microstructures and thus leads to changes in relevant properties, such as mechanical, tribological, and chemical stabilities, what follows is the related mechanisms contributing to. Lastly, future trends and outlooks are briefly introduced. This review is aimed to give a comprehensive introduction to recent developments in HEN films, and to make it convenient to explore the research gaps for students and researchers.
In this review, the “four core effects” of high entropy materials and related phase prediction criterias are fully introduced. Then, structural characteristics and influencing factors of HEN films, such as deposition parameters, post-treatments, etc. are discussed. What is more, this review encompasses a detailed analysis of the properties of HEN films, including mechanics, friction, corrosion resistance, etc. Finally, the paper offers a brief outlook into the future prospects and development potential of HEN nitride films. [Display omitted]
•The “four core effects” of high entropy materials and their related phase prediction criterias are fully introduced.•The structural characteristics and influencing factors of HEN Films, such as post-treatments, etc. are discussed.•This review encompasses a detailed analysis of the properties of HENs, including mechanics, corrosion resistance, etc.•The paper offers a brief outlook into the future prospects and development potential of HEN nitride films.