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- Title
The Protection, Challenge, and Prospect of Anti-Oxidation Coating on the Surface of Niobium Alloy.
- Authors
Zhang, Xu; Fu, Tao; Cui, Kunkun; Zhang, Yingyi; Shen, Fuqiang; Wang, Jie; Yu, Laihao; Mao, Haobo
- Abstract
Niobium (Nb)-based alloys have been extensively used in the aerospace field owing to their excellent high-temperature mechanical properties. However, the inferior oxidation resistance severely limits the application of Nb-based alloys in a high-temperature, oxygen-enriched environment. Related scholars have extensively studied the oxidation protection of niobium alloy and pointed out that surface coating technology is ideal for solving this problem. Based on the different preparation methods of Nb-based alloys' surface coatings, this article summarizes the relevant research of domestic and foreign scholars in the past 30 years, including the slurry sintering method (SS), suspension plasma spraying method (SPS), and halide activated pack cementation method (HAPC), etc. The growth mechanism and micromorphology of the coatings access by different preparation methods are evaluated. In addition, the advantages and disadvantages of various coating oxidation characteristics and coating preparation approaches are summarized. Finally, the coating's oxidation behavior and failure mechanism are summarized and analyzed, aiming to provide valuable research references in related fields.
- Subjects
NIOBIUM alloys; SURFACE coatings; SURFACES (Technology); PROBLEM solving; PLASMA spraying; SLURRY
- Publication
Coatings (2079-6412), 2021, Vol 11, Issue 7, p742
- ISSN
2079-6412
- Publication type
Article
- DOI
10.3390/coatings11070742