Advances in biomechanics and applications

  • 제1권2호
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  • Pages.77-83
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  • 2014
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  • 2287-2094(pISSN)
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  • 2287-2272(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

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Atypical viscous fracture of human femurs

  • Yosibash, Zohar (Department of Mechanical Engineering, Ben-Gurion University of the Negev) ;
  • Mayo, Romina Plitman (Department of Mechanical Engineering, Ben-Gurion University of the Negev) ;
  • Milgrom, Charles (Hadassah Hospital and Hebrew University of Jerusalem)
  • 투고 : 2014.01.12
  • 심사 : 2014.04.03
  • 발행 : 2014.04.25
⟨ 이전 논문 다음 논문 ⟩

초록

Creep phenomenon at the scale of bone tissue (small specimens) is known to be present and demonstrated for low strains. Here creep is demonstrated on a pair of fresh-frozen human femurs at the organ level at high strains. Under a constant displacement applied on femur's head, surface strains at the upper neck location increase with time until fracture, that occurs within 7-13 seconds. The monotonic increase in strains provides evidence on damage accumulation in the interior (probably damage to the trabeculae) prior to final fracture, a fact that hints on probable damage of the trabecular bone that occurs prior to the catastrophic fracture of the cortical surface layer.

키워드

과제정보

연구 과제 주관 기관 : Ministry of Health

참고문헌

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