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The Road to Fracture: Structural Integrity in Heavy Transit


Key Insights
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  • Manufacturing defects like cut-edge imperfections and internal porosity significantly reduce fatigue life in high-strength materials.
  • Torsional failures in axles often stem from hidden casting flaws that surface inspections miss.
  • Probabilistic design methods are essential for predicting durability in variable service conditions.
  • Fatigue analysis requires integrating material properties, manufacturing quality, and service load spectra.

References
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