Fatigue properties of bovine compact bones that have different microstructures

J. H. Kim, M. Niinomi, T. Akahori, H. Toda

研究成果: Article査読

33 被引用数 (Scopus)

抄録

Understanding the mechanism of fatigue crack propagation in bones is important because fatigue is probably the main cause of clinical stress fractures. Here, fatigue crack initiation and propagation behaviors of bovine humerus and femur regarding microstructures were investigated by the replica method. Fatigue tests were conducted to obtain SN curves of these compact bones. Both these bones are made up of haversian and plexiform bones, classified by their microstructures. The crack propagation rate is faster when the microstructure is inclined to the bone axis than when parallel. The fatigue strength of plexiform bone is higher than that of haversian bone.

本文言語English
ページ(範囲)1039-1050
ページ数12
ジャーナルInternational Journal of Fatigue
29
6
DOI
出版ステータスPublished - 2007 6月

ASJC Scopus subject areas

  • モデリングとシミュレーション
  • 材料科学(全般)
  • 材料力学
  • 機械工学
  • 産業および生産工学

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