High-temperature steam oxidation performance and microstructural evolution of Cr1-xAlxN coatings on TZM alloy

IF 6.1 2区材料科学 Q1 MATERIALS SCIENCE, COATINGS & FILMS

Surface & Coatings Technology Pub Date : 2025-09-05 DOI:10.1016/j.surfcoat.2025.132629

Hao Wang , Haoxiong Ren , Liyuan Xue , Pan Xue , Longshi Qiu , Xiaogang Hu , Ming Zhu

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引用次数: 0

Abstract

A series of Cr_1-xAl_xN coatings with varying aluminum concentrations (x = 0, 0.34, 0.53, 0.75) were coated on titanium-zirconium-molybdenum (TZM) alloy substrates via multi-arc ion plating. The high-temperature steam oxidation performance and microstructural evolution of these coatings at 1200 °C were systematically investigated. Results demonstrate that Cr_1-xAl_xN coatings significantly enhance the oxidation resistance of TZM alloys. Notably, the Cr₄₇Al₅₃N coating provided optimal protection through the formation of a dense Cr₂O₃-rich outer oxide layer and an Al-enriched Al₂O₃ sublayer. Furthermore, nitrogen diffusion behavior in Cr_1-xAl_xN coatings during oxidation was investigated, revealing the critical role of Al content in determining oxidation resistance through detailed analysis.

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TZM合金Cr1-xAlxN涂层高温蒸汽氧化性能及显微组织演变

通过多弧离子镀在钛锆钼（TZM）合金基体上制备了一系列不同铝浓度（x = 0、0.34、0.53、0.75）的Cr1-xAlxN涂层。系统地研究了涂层在1200℃高温蒸汽氧化时的性能和微观组织演变。结果表明，Cr1-xAlxN涂层能显著提高TZM合金的抗氧化性能。值得注意的是，Cr47Al53N涂层通过形成致密的富含cr2o3的外氧化层和富含al的Al2O3亚层提供了最佳的保护。此外，研究了Cr1-xAlxN涂层在氧化过程中的氮扩散行为，通过详细分析揭示了Al含量在决定抗氧化性中的关键作用。

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来源期刊

Surface & Coatings Technology 工程技术-材料科学：膜

CiteScore

10.00

自引率

11.10%

发文量

921

审稿时长

19 days

期刊介绍： Surface and Coatings Technology is an international archival journal publishing scientific papers on significant developments in surface and interface engineering to modify and improve the surface properties of materials for protection in demanding contact conditions or aggressive environments, or for enhanced functional performance. Contributions range from original scientific articles concerned with fundamental and applied aspects of research or direct applications of metallic, inorganic, organic and composite coatings, to invited reviews of current technology in specific areas. Papers submitted to this journal are expected to be in line with the following aspects in processes, and properties/performance: A. Processes: Physical and chemical vapour deposition techniques, thermal and plasma spraying, surface modification by directed energy techniques such as ion, electron and laser beams, thermo-chemical treatment, wet chemical and electrochemical processes such as plating, sol-gel coating, anodization, plasma electrolytic oxidation, etc., but excluding painting. B. Properties/performance: friction performance, wear resistance (e.g., abrasion, erosion, fretting, etc), corrosion and oxidation resistance, thermal protection, diffusion resistance, hydrophilicity/hydrophobicity, and properties relevant to smart materials behaviour and enhanced multifunctional performance for environmental, energy and medical applications, but excluding device aspects.