{"title":"Microstructural evolution and mechanism of a gradient multilayer CrN coating during isothermal oxidation","authors":"Shupeng Xu , Yu Xia , Jian Peng , Qiang Shen , Chuanbin Wang","doi":"10.1016/j.surfcoat.2025.132109","DOIUrl":null,"url":null,"abstract":"<div><div>The isothermal oxidation behavior, kinetics, and microstructural evolution of a gradient multilayer Cr<img>N coating deposited on 304 stainless steel were systematically investigated. The Cr<img>N coating demonstrated superior oxidation resistance compared to conventional Cr and CrN coatings, as evidenced by a lower weight gain over prolonged oxidation. The gradient structure of the coating evolved into a homogeneous multilayer, which effectively delayed the oxidation by hindering the diffusion of oxygen. Additionally, the introduction of a Cr bonding layer not only facilitated the formation of a robust interdiffusion zone with the substrate but also enhanced the coating's adhesion, contributing to its long-term stability.</div></div>","PeriodicalId":22009,"journal":{"name":"Surface & Coatings Technology","volume":"505 ","pages":"Article 132109"},"PeriodicalIF":6.1000,"publicationDate":"2025-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Surface & Coatings Technology","FirstCategoryId":"88","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0257897225003834","RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MATERIALS SCIENCE, COATINGS & FILMS","Score":null,"Total":0}
引用次数: 0
Abstract
The isothermal oxidation behavior, kinetics, and microstructural evolution of a gradient multilayer CrN coating deposited on 304 stainless steel were systematically investigated. The CrN coating demonstrated superior oxidation resistance compared to conventional Cr and CrN coatings, as evidenced by a lower weight gain over prolonged oxidation. The gradient structure of the coating evolved into a homogeneous multilayer, which effectively delayed the oxidation by hindering the diffusion of oxygen. Additionally, the introduction of a Cr bonding layer not only facilitated the formation of a robust interdiffusion zone with the substrate but also enhanced the coating's adhesion, contributing to its long-term stability.
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.