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December 8, 2025Rapid Prototyping Journal

Rotating bending fatigue performance of FFF-fabricated PLA HD and ABS polymers: experimental characterization, numerical modeling and critical infill influence configuration

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Authors

ZZZineb ZahirAbdelmalek Essaâdi UniversityIHIssam hanafiJBJalal El Bahaoui

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Implication

Experimental characterization revealed that surface roughness significantly affects fatigue life in fused filament fabrication polymers, suggesting improved designs.

Key Points

  • Fatigue life increased by 2.5–4.2 times with optimal infill configurations and surface treatments, enhancing performance.
  • The model achieved over 92% compliance for fatigue predictions in fused filament fabrication polymers under testing conditions.
  • Numerical modeling and quasi-static testing combined to evaluate the effects of material configuration on fatigue performance.
  • Improved surface finishing led to a notable 25%–40% increase in fatigue life, emphasizing its role in design processes.

Cite This Study

Zahir et al. (2025) studied this question.

synapsesocial.com/papers/694020e82d562116f28fad2dhttps://doi.org/10.1108/rpj-08-2025-0361
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