{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,15]],"date-time":"2026-05-15T17:38:18Z","timestamp":1778866698124,"version":"3.51.4"},"reference-count":39,"publisher":"MDPI AG","issue":"18","license":[{"start":{"date-parts":[[2020,9,12]],"date-time":"2020-09-12T00:00:00Z","timestamp":1599868800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100000287","name":"Royal Academy of Engineering","doi-asserted-by":"publisher","award":["RF\/130"],"award-info":[{"award-number":["RF\/130"]}],"id":[{"id":"10.13039\/501100000287","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000266","name":"Engineering and Physical Sciences Research Council","doi-asserted-by":"publisher","award":["EP\/L505067\/1"],"award-info":[{"award-number":["EP\/L505067\/1"]}],"id":[{"id":"10.13039\/501100000266","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>The survivorship of cementless orthopaedic implants may be related to their initial stability; insufficient press-fit can lead to excessive micromotion between the implant and bone, joint pain, and surgical revision. However, too much interference between implant and bone can produce excessive strains and damage the bone, which also compromises stability. An understanding of the nature and mechanisms of strain generation during implantation would therefore be valuable. Previous measurements of implantation strain have been limited to local discrete or surface measurements. In this work, we devise a Digital Volume Correlation (DVC) methodology to measure the implantation strain throughout the volume. A simplified implant model was implanted into analogue bone media using a customised loading rig, and a micro-CT protocol optimised to minimise artefacts due to the presence of the implant. The measured strains were interpreted by FE modelling of the displacement-controlled implantation, using a bilinear elastoplastic constitutive model for the analogue bone. The coefficient of friction between the implant and bone was determined using the experimental measurements of the reaction force. Large strains at the interface between the analogue bone and implant produced localised deterioration of the correlation coefficient, compromising the ability to measure strains in this region. Following correlation coefficient thresholding (removing strains with a coefficient less than 0.9), the observed strain patterns were similar between the DVC and FE. However, the magnitude of FE strains was approximately double those measured experimentally. This difference suggests the need for improvements in the interface failure model, for example, to account for localised buckling of the cellular analogue bone structure. A further recommendation from this work is that future DVC experiments involving similar geometries and structures should employ a subvolume size of 0.97 mm as a starting point.<\/jats:p>","DOI":"10.3390\/ma13184050","type":"journal-article","created":{"date-parts":[[2020,9,13]],"date-time":"2020-09-13T21:11:32Z","timestamp":1600031492000},"page":"4050","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Measurement of Internal Implantation Strains in Analogue Bone Using DVC"],"prefix":"10.3390","volume":"13","author":[{"given":"Alexander","family":"Marter","sequence":"first","affiliation":[{"name":"Bioengineering Science Research Group, School of Engineering, University of Southampton, Southampton SO17 1BJ, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9308-4669","authenticated-orcid":false,"given":"Charles","family":"Burson-Thomas","sequence":"additional","affiliation":[{"name":"Bioengineering Science Research Group, School of Engineering, University of Southampton, Southampton SO17 1BJ, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9647-1944","authenticated-orcid":false,"given":"Alexander","family":"Dickinson","sequence":"additional","affiliation":[{"name":"Bioengineering Science Research Group, School of Engineering, University of Southampton, Southampton SO17 1BJ, UK"},{"name":"Institute for Life Sciences, University of Southampton, Southampton SO17 1BJ, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kathryn","family":"Rankin","sequence":"additional","affiliation":[{"name":"\u00b5VIS X-ray Imaging Centre, University of Southampton, Southampton SO17 1BJ, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mark","family":"Mavrogordato","sequence":"additional","affiliation":[{"name":"\u00b5VIS X-ray Imaging Centre, University of Southampton, Southampton SO17 1BJ, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fabrice","family":"Pierron","sequence":"additional","affiliation":[{"name":"Materials Research Group, School of Engineering, University of Southampton, Southampton SO17 1BJ, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5184-050X","authenticated-orcid":false,"given":"Martin","family":"Browne","sequence":"additional","affiliation":[{"name":"Bioengineering Science Research Group, School of Engineering, University of Southampton, Southampton SO17 1BJ, UK"},{"name":"Institute for Life Sciences, University of Southampton, Southampton SO17 1BJ, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2020,9,12]]},"reference":[{"key":"ref_1","unstructured":"National Joint Registry (2017). 14th Annual Report, National Joint Registry."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"500","DOI":"10.2106\/JBJS.J.00774","article-title":"Cementless Femoral Fixation in Total Hip Arthroplasty","volume":"93","author":"Khanuja","year":"2011","journal-title":"J. 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