Fracture and Failure Analysis of Wheel Bolt on Main Landing Gear CN235 220M Aircraft

Authors

  • Rando Tungga Dewa Indonesia Defense University
  • Daffa Mandala Adinata Department of Mechanical Engineering, Republic of Indonesia Defense University
  • Ida Farida Department of Mechanical Engineering, Republic of Indonesia Defense University
  • Sovyan Aritonang Department of Mechanical Engineering, Republic of Indonesia Defense University
  • Hadi Wahyudi Department of Mechanical Engineering, Sultan Ageng Tirtayasa University

DOI:

https://doi.org/10.32497/jrm.v20i1.6291

Keywords:

wheel bolt, fatigue, metallography, scanning electron microscope, failure analysis

Abstract

The wheel bolt of the CN235 220M aircraft is a type of fastener crucial for maintaining air pressure within the tire. It was discovered that this component fractured during operation. This study aims to conduct forensic analysis on the mechanism and causes of material failure through micro and macro morphological observations, chemical composition tests, microstructural analysis, and hardness testing on the fractured bolt. Micro-morphology results showed a crack tip in the initiation zone, which became a stress concentration point. Additionally, striations caused by cyclic loading were observed. EDS analysis revealed a high oxygen content in the initiation zone, indicating a corrosion-assisted crack. As cyclic loading continued, it gradually eroded the bolt's cross-sectional area until the material's fatigue led to final fracture.

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Published

2025-04-29

How to Cite

Dewa, R. T., Daffa Mandala Adinata, Ida Farida, Sovyan Aritonang, & Hadi Wahyudi. (2025). Fracture and Failure Analysis of Wheel Bolt on Main Landing Gear CN235 220M Aircraft. Jurnal Rekayasa Mesin, 20(1), 9–16. https://doi.org/10.32497/jrm.v20i1.6291

Issue

Vol. 20 No. 1 (2025): Volume 20, Nomor 1, April 2025

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Articles

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