Application of multiple residual stress determination methods to coarse-grained biomedical implant castings

Conroy, Brian; Traore, Yeli; Paddea, Sanjooram; Kelleher, Joe and Tanner, David (2017). Application of multiple residual stress determination methods to coarse-grained biomedical implant castings. Materials Science and Technology, 33(10) pp. 1231–1251.

DOI: https://doi.org/10.1080/02670836.2017.1282035

Abstract

ASTM F75 femoral knee implant components distort during manufacture due to residual stress re-distribution or inducement. X-ray diffraction, neutron diffraction, centre-hole drilling and the contour method residual stress determination techniques were applied to as-cast and/or shot-blasted components. The centre-hole drilling and contour methods can only be considered qualitative as a result of uncertainty associated with the elastic anisotropy of gauge volumes. Additionally, neutron diffraction experimentation returned unfeasible results. However, it was qualitatively identified that a shot-blasting shell-removal process has the ability to significantly alter the bulk residual stress state of the implants and induce a stress state which would cause distortion by re-distribution following material removal during manufacturing processes.

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About

  • Item ORO ID
  • 51869
  • Item Type
  • Journal Item
  • ISSN
  • 1743-2847
  • Project Funding Details
  • Funded Project NameProject IDFunding Body
    Not SetEPSPG/2012/357Irish Research Council for Science, Engineering and Technology
    DePuy Synthes (Ireland). MedCast251269Seventh Framework Programme
    Not SetNot SetScience and Technology Facilities Council
  • Keywords
  • Neutron diffraction, X-ray diffraction, contour method, centre-hole drilling, nano-indentation, residual stress, shot-peening, shot-blasting, CoCrMo, ASTM F75, femoral knee implants, biomedical implants, investment casting
  • Academic Unit or School
  • Faculty of Science, Technology, Engineering and Mathematics (STEM)
    Faculty of Science, Technology, Engineering and Mathematics (STEM) > Engineering and Innovation
  • Copyright Holders
  • © 2017 Institute of Materials, Minerals and Mining
  • SWORD Depositor
  • Jisc Publications-Router
  • Depositing User
  • Jisc Publications-Router
CORE (COnnecting REpositories)

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