Corrosion fatigue behavior of additively manufactured biodegradable porous iron

Yageng Li, K. Lietaert, Wei Li, X.Y. Zhang, M. A. Leeflang, Jie Zhou, A. A. Zadpoor

Research output: Contribution to journalArticleScientificpeer-review

26 Citations (Scopus)
15 Downloads (Pure)


The corrosion fatigue behavior of additively manufactured topologically ordered porous iron based on diamond unit cells was studied for the first time to understand its response to cyclic loading in a simulated physiological environment. The material exhibited high fatigue resistance with fatigue strengths being 70% and 65% of yield stress in air and revised simulated body fluid, respectively, mainly due to its slow degradation and excellent ductility. However, cyclic loading significantly increased biodegradation rate, especially at higher stress levels. The observed extraordinary fatigue strength, slow biodegradation and high ductility underline the importance of porous iron as a promising bone-substituting material.

Original languageEnglish
Pages (from-to)106-116
JournalCorrosion Science
Publication statusPublished - 2019

Bibliographical note

Accepted Author Manuscript


  • Additive manufacturing
  • Biodegradation
  • Corrosion fatigue
  • Iron scaffold
  • Selective laser melting


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