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<p>As an important connection and safety component between the tractor and semitrailer, the traction seat, is highly prone to cracking or even fracture. According to statistics, most of the main structural materials of traction seats on the current market are Q355B low-alloy high-strength structural steel plates. Meanwhile, ductile iron has the advantages of high hardness, high wear resistance, easy processing, and low cost. Based on the above issues, friction and wear experiments were conducted on Q355B and EN-GJS-400-18 materials to observe and analyze the wear rate, micro-morphology change, and friction coefficient trend of the two materials. Through the ABAQUS platform, finite element 3D modeling was carried out to simulate the process of the friction and wear experiment. The experimental results show that under high load, the wear rate of EN-GJS-400-18 is 3.35 × 10<sup>−9</sup> mm<sup>3</sup>/(N·m), and that of Q355B is 5.71 × 10<sup>−9</sup> mm<sup>3</sup>/(N·m). Thus, EN-GJS-400-18 exhibits better wear performance. This study can extend the service life of the traction seat and provide an experimental basis and theoretical guidance for enterprises.</p>

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Experimental and numerical simulation of continuous frictional wear of traction seat

  • 期刊论文

  • 发表日期：

    2026年3月10日

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  • Hongchao Ji,
  • Haipeng Chang,
  • Changming Qiu,
  • Weichi Pei,
  • Bing Chen,
  • Wencui Xu

摘要

As an important connection and safety component between the tractor and semitrailer, the traction seat, is highly prone to cracking or even fracture. According to statistics, most of the main structural materials of traction seats on the current market are Q355B low-alloy high-strength structural steel plates. Meanwhile, ductile iron has the advantages of high hardness, high wear resistance, easy processing, and low cost. Based on the above issues, friction and wear experiments were conducted on Q355B and EN-GJS-400-18 materials to observe and analyze the wear rate, micro-morphology change, and friction coefficient trend of the two materials. Through the ABAQUS platform, finite element 3D modeling was carried out to simulate the process of the friction and wear experiment. The experimental results show that under high load, the wear rate of EN-GJS-400-18 is 3.35 × 10−9 mm3/(N·m), and that of Q355B is 5.71 × 10−9 mm3/(N·m). Thus, EN-GJS-400-18 exhibits better wear performance. This study can extend the service life of the traction seat and provide an experimental basis and theoretical guidance for enterprises.