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<p>The nickel-based superalloy Inconel 625 is widely used in the aerospace, marine, energy, and chemical processing industries because it can withstand harsh service conditions without losing its mechanical integrity or corroding. The mechanical performance, tribological behavior, corrosion resistance, and tribo-corrosion processes of Inconel 625 in its wrought, welded, and additively produced forms are all rigorously examined in this paper. The interplay of microstructure, environment, and combined wear–corrosion deterioration is given special attention. To illustrate data dispersion, mechanistic patterns, and constraints resulting from testing circumstances and microstructural variation, reported tensile, fatigue, and creep data are methodically compared. The paper provides quantitative insights into wear-accelerated corrosion and corrosion-accelerated wear regimes by synthesizing electrochemical behavior, localized corrosion processes, and repassivation kinetics under sliding circumstances. The long-term endurance of surface engineering techniques, such as tribological coatings and new surface treatments, in high-temperature and maritime settings is evaluated. Lastly, the importance of developing machine-learning techniques, multiphysics simulations, and computational modeling is examined in relation to predictive tribo-corrosion evaluation. This paper provides a thorough viewpoint on performance improvement and highlights important obstacles for accurate service-life prediction of Inconel 625 components by fusing experimental data with modeling frameworks.</p>

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Comprehensive review of mechanical and tribo-corrosion behaviour of inconel 625 for high-performance applications

  • 期刊论文

  • 发表日期：

    2026年3月12日

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  • Vignesh Kumar V,
  • Karthikeyan M,
  • Charan B,
  • Vishal K,
  • Partha Sarathi AB,
  • Senthilkumar TS

摘要

The nickel-based superalloy Inconel 625 is widely used in the aerospace, marine, energy, and chemical processing industries because it can withstand harsh service conditions without losing its mechanical integrity or corroding. The mechanical performance, tribological behavior, corrosion resistance, and tribo-corrosion processes of Inconel 625 in its wrought, welded, and additively produced forms are all rigorously examined in this paper. The interplay of microstructure, environment, and combined wear–corrosion deterioration is given special attention. To illustrate data dispersion, mechanistic patterns, and constraints resulting from testing circumstances and microstructural variation, reported tensile, fatigue, and creep data are methodically compared. The paper provides quantitative insights into wear-accelerated corrosion and corrosion-accelerated wear regimes by synthesizing electrochemical behavior, localized corrosion processes, and repassivation kinetics under sliding circumstances. The long-term endurance of surface engineering techniques, such as tribological coatings and new surface treatments, in high-temperature and maritime settings is evaluated. Lastly, the importance of developing machine-learning techniques, multiphysics simulations, and computational modeling is examined in relation to predictive tribo-corrosion evaluation. This paper provides a thorough viewpoint on performance improvement and highlights important obstacles for accurate service-life prediction of Inconel 625 components by fusing experimental data with modeling frameworks.