Research progress on the high-temperature oxidation resistance and hot corrosion resistance of MCrAlY coatings

IF 3.9 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Materials Science Pub Date : 2025-01-17 DOI:10.1007/s10853-025-10610-5

Jiale Tian, Chengxi Wang, Peng Song, Taihong Huang, Xiaowei Zhang, Jilin Lei, Tangfeng Yang, Vincent Ji

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Abstract

MCrAlY alloy coatings are extensively utilized as bond coats in thermal barrier coating systems due to their excellent high-temperature properties. However, the oxidation and corrosion remain major challenges for MCrAlY coatings during high-temperature service conditions. In order to offer fresh insights into the failure mechanisms and intentionally develop strategies for enhancing the performance of MCrAlY coatings, the recent advancements in the high-temperature oxidation performance and hot corrosion resistance of MCrAlY coatings were reviewed. Initially, the oxidation behavior of MCrAlY coatings in high-temperature environments was discussed, including an analysis of the formation mechanism of thermal grown oxide, along with the influence of various coating deposition techniques, elements doping approaches, and pre-oxidation treatment on the microstructure and high-temperature oxidation resistance of the coatings. Furthermore, the hot corrosion failure modes, the evolution of microstructure and its corresponding performance of MCrAlY coatings were summarized. By highlighting the key achievements and limitations of current research progress, the prospects were also proposed, aiming to provide theoretical foundations and technical support for the optimized design and lifespan prediction of MCrAlY coatings.

Graphical Abstract

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mccraly涂层高温抗氧化性和热腐蚀性能的研究进展

mccraly合金涂层由于其优异的高温性能，被广泛应用于热障涂层体系的粘结层。然而，在高温使用条件下，氧化和腐蚀仍然是mccraly涂层面临的主要挑战。本文综述了近年来MCrAlY涂层在高温氧化性能和耐热腐蚀性能方面的研究进展，以期对MCrAlY涂层的失效机理提供新的认识，并有针对性地制定提高MCrAlY涂层性能的策略。首先，讨论了MCrAlY涂层在高温环境下的氧化行为，包括分析了热生长氧化物的形成机制，以及各种涂层沉积技术、元素掺杂方法和预氧化处理对涂层微观结构和高温抗氧化性的影响。总结了MCrAlY涂层的热腐蚀失效模式、显微组织演变及其相应的性能。通过对当前研究进展的重点成果和局限性进行分析，提出了展望，旨在为MCrAlY涂层的优化设计和寿命预测提供理论依据和技术支持。图形抽象

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来源期刊

Journal of Materials Science 工程技术-材料科学：综合

CiteScore

7.90

自引率

4.40%

发文量

1297

审稿时长

2.4 months

期刊介绍： The Journal of Materials Science publishes reviews, full-length papers, and short Communications recording original research results on, or techniques for studying the relationship between structure, properties, and uses of materials. The subjects are seen from international and interdisciplinary perspectives covering areas including metals, ceramics, glasses, polymers, electrical materials, composite materials, fibers, nanostructured materials, nanocomposites, and biological and biomedical materials. The Journal of Materials Science is now firmly established as the leading source of primary communication for scientists investigating the structure and properties of all engineering materials.