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<p>Manufacturers are continuously seeking advanced materials that can enhance the performance and durability of mechanical assemblies, particularly those employing shrink-fit technology, which has become increasingly important in modern mechanical engineering due to its precision and reliability. This study focuses on improving the materials used for critical components such as axis and hub, which are traditionally made of steel or aluminum. Recognizing the limitations of conventional metals in terms of strength-to-weight ratio and thermal stability, this research explores the use of composite materials reinforced with graphene, a nanomaterial known for its exceptional mechanical and thermal properties. The investigation involved fabricating steel samples with varying graphene concentrations and testing their mechanical performance under shrink-fit assembly conditions. The findings revealed a clear and consistent enhancement in strength as the graphene content increased. Specifically, the maximum stress value reached 270.8&#xa0;MPa with a 15% graphene addition, compared to less than 200&#xa0;MPa for pure steel, indicating a substantial improvement in load-bearing capacity. Moreover, the composite exhibited better resistance to deformation and improved bonding characteristics at the interface between the shaft and wheel. These results highlight the promising potential of graphene-reinforced steel composites in the manufacturing of high-performance mechanical components, where strength, precision, and long-term reliability are essential. This research thus contributes to the growing field of advanced material engineering, paving the way for lighter, stronger, and more efficient industrial assemblies.</p>

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Enhancing the mechanical performance of shrink-fit assemblies using graphene-reinforced steel composites

  • 期刊论文

  • 发表日期：

    2026年2月6日

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  • Allal Bedlaoui,
  • Fadila Guerrache,
  • Soheib Allouche,
  • Madjid Hachemi,
  • Ahmed Chellil,
  • Samir Lecheb

摘要

Manufacturers are continuously seeking advanced materials that can enhance the performance and durability of mechanical assemblies, particularly those employing shrink-fit technology, which has become increasingly important in modern mechanical engineering due to its precision and reliability. This study focuses on improving the materials used for critical components such as axis and hub, which are traditionally made of steel or aluminum. Recognizing the limitations of conventional metals in terms of strength-to-weight ratio and thermal stability, this research explores the use of composite materials reinforced with graphene, a nanomaterial known for its exceptional mechanical and thermal properties. The investigation involved fabricating steel samples with varying graphene concentrations and testing their mechanical performance under shrink-fit assembly conditions. The findings revealed a clear and consistent enhancement in strength as the graphene content increased. Specifically, the maximum stress value reached 270.8 MPa with a 15% graphene addition, compared to less than 200 MPa for pure steel, indicating a substantial improvement in load-bearing capacity. Moreover, the composite exhibited better resistance to deformation and improved bonding characteristics at the interface between the shaft and wheel. These results highlight the promising potential of graphene-reinforced steel composites in the manufacturing of high-performance mechanical components, where strength, precision, and long-term reliability are essential. This research thus contributes to the growing field of advanced material engineering, paving the way for lighter, stronger, and more efficient industrial assemblies.