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<p>Nomographs, an age-old computational tool, continue to hold practical value in engineering applications, despite the growing reliance on advanced computational software. This paper presents a detailed exploration of nomograph theory and its application to the heat treatment process of 42CrMo steel. By establishing a clear relationship between tempering hardness and process parameters (temperature and time), the study demonstrates how nomographs can be used to quickly and effectively optimize, design, and adjust heat treatment parameters for 42CrMo steel. A comprehensive nomograph is constructed to facilitate the rapid determination of tempering conditions, providing a powerful tool for controlling material properties. The results affirm the utility of nomographs in materials science, highlighting their role in improving the efficiency and precision of industrial processes. This work contributes to the ongoing relevance of nomographs as a practical solution in materials engineering, offering a versatile method for process optimization in both research and industrial applications.</p>

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Nomograph-based Precision Engineering: A Framework for Efficient Optimization of 42CrMo Steel Tempering Parameters in Industrial Heat Treatment

  • 期刊论文

  • 发表日期：

    2026年1月30日

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  • Guojin Sun,
  • Linqian Xu,
  • Qi Wang

摘要

Nomographs, an age-old computational tool, continue to hold practical value in engineering applications, despite the growing reliance on advanced computational software. This paper presents a detailed exploration of nomograph theory and its application to the heat treatment process of 42CrMo steel. By establishing a clear relationship between tempering hardness and process parameters (temperature and time), the study demonstrates how nomographs can be used to quickly and effectively optimize, design, and adjust heat treatment parameters for 42CrMo steel. A comprehensive nomograph is constructed to facilitate the rapid determination of tempering conditions, providing a powerful tool for controlling material properties. The results affirm the utility of nomographs in materials science, highlighting their role in improving the efficiency and precision of industrial processes. This work contributes to the ongoing relevance of nomographs as a practical solution in materials engineering, offering a versatile method for process optimization in both research and industrial applications.