HEAT TREATMENT OF GEARS: A COMPREHENSIVE REVIEW OF RECENTINDUSTRIAL APPLICATIONS, METHODS, STANDARDS, AND RECENTINNOVATIONS

Mohammad Yaghoub  Abdollahzadeh Jamalabadi

Authors

Mohammad Yaghoub Abdollahzadeh Jamalabadi Faculty of Marine Engineering, Chabahar Maritime University, Chabahar, 99717-56499, Iran Author

Keywords:

Gears, Heat Treatment, Carburizing, Nitriding, Induction Hardening, AMS Standards, Distortion Control, Industrial Applications, Process Simulation, Sustainable Manufacturing

Abstract

This comprehensive review examines the heat treatment of gears, focusing on industrial applications, method- ologies, and standards over the past decade. It provides a detailed analysis of common heat treatment processes including carburizing, nitriding, induction hardening, and their variants like vacuum carburizing and plasma nitriding. The review compares these methods based on metallurgical outcomes, distortion control, cost-effectiveness, and suitability for different gear types and applications. A significant portion is dedicated to the discussion and comparison of relevant industry standards, particularly AMS 2759 series, AMS 2750, AMS 2300/2301, AMS 6265, and corresponding John Deere specifications, highlighting their role in quality assurance. The review explores the implementation of heat treatment technologies across diverse sectors such as automotive, aerospace, heavy machinery, wind energy, and agriculture, supported by case studies. Recent technological innovations, including automation, advanced process monitoring, computational modeling, energy efficiency improvements, and material developments, are discussed in detail. Persistent challenges, especially in distortion control, advanced material processing, sustainability, and smart manufacturing integration, are identified, along with promising future research directions.

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HEAT TREATMENT OF GEARS: A COMPREHENSIVE REVIEW OF RECENTINDUSTRIAL APPLICATIONS, METHODS, STANDARDS, AND RECENTINNOVATIONS

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