The damage process in a biomedical Co-29Cr-6Mo-0.14N alloy analyzed by X-ray tomography and electron backscattered diffraction

Shingo Kurosu, Hiroaki Matsumoto, Akihiko Chiba, Caroline Landron, Damien Fabregue, Eric Maire

研究成果: Article査読

21 被引用数 (Scopus)

抄録

The damage process leading to fracture during tensile testing of a biomedical grade Co-29Cr-6Mo-0.14N alloy was analyzed on the basis of three-dimensional damage observation using X-ray tomography and electron backscattered diffraction of the fractured specimen. Initial cracking occurred at grain and annealing twin boundaries, where strain concentrates due to impingement of -hcp plates formed through strain-induced martensitic transformation (SIMT). Cracks propagated along the interface between the γ-fcc matrix and SIMTed -hcp on {1 1 1}, resulting in the occurrence of a quasi-cleavage fracture.

本文言語English
ページ(範囲)367-370
ページ数4
ジャーナルScripta Materialia
64
5
DOI
出版ステータスPublished - 2011 3
外部発表はい

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys

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