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

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journal contribution
posted on 2017-02-15, 09:30 authored by Brian P. Conroy, Yéli Traoré, Sanjooram Paddea, Joe Kelleher, David A. Tanner
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.

Funding

Using the Cloud to Streamline the Development of Mobile Phone Apps

Innovate UK

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Study on Aerodynamic Characteristics Control of Slender Body Using Active Flow Control Technique

Japan Society for the Promotion of Science

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BGP Doctoral 2010 Grant (University of Bristol)

Arts and Humanities Research Council

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History

Publication

Materials Science and Technology; 33, (10) pp. 1231-1251

Publisher

Taylor and Francis

Note

peer-reviewed

Other Funding information

IRC, ERC, Science and Technology Facilities Council, MedCast

Rights

This is an Author's Original Manuscript of an article whose final and definitive form, the Version of Record, has been published in Materials Science and Technology 2017 copyright Taylor & Francis, available online at: http://dx.doi.org/10.1080/02670836.2017.1282035

Language

English

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