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September 12, 2025Journal of Physics Conference SeriesOpen Access

Research on corrosion fatigue fracture mechanism and failure analysis of aircraft main wheel hub bolts

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Authors

LCLi ChenYFYanpeng FengKDKeqin Ding

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Overview

Analysis reveals corrosion fatigue cracks and coating failure in aircraft wheel hub bolts, indicating maintenance needs.

Key Points

  • Fracture failure originates from the root of the 5th thread, indicating a critical stress point for maintenance.
  • Fatigue striation characteristics were observed on the fracture surface, demonstrating a typical fatigue failure pattern.
  • Macroscopic and microscopic evaluations revealed the main causes of fracture as coating failure and alternating stress impacts.
  • Analysis showed the bolt matrix has a tempered martensitic structure with uniform hardness, meeting required standards.

Cite This Study

Chen et al. (2025) studied this question.

synapsesocial.com/papers/68d44a1d31b076d99fa52cb6https://doi.org/10.1088/1742-6596/3098/1/012018
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