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Metal-on-Polymer Wear for Orthopaedic Hand Prostheses: Metall-på-polymer-slitage för ortopediska handproteser
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH).
2018 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Metal-on-polymer prostheses in orthopaedics are often subject to high wear level producing large polyethylene particles that the body has difficulties to eliminate. Those debris can lead to prosthesis loosening. This study investigates the wear behaviour of TA6V, a CoCr alloy, M30NW and 316L stainless steels against UHMWPE on a pin-on-disc tribometer under lubricated conditions. Friction coefficient of 316L showed an inflection in their rise while the increase of others was linear. 316L also produced the most friction and wear. On the contrary, CoCr confirmed its good properties. Both stainless steels showed similar behaviour and metal manufacturing process only modified UHMWPE loss and not the wear rates.

Place, publisher, year, edition, pages
2018. , p. 50
Series
TRITA-CBH-GRU ; 2018:77
Keywords [en]
orthopaedics prosthesis arthrosis trapezometacarpal biomaterial tribology friction wear
National Category
Medical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-230798OAI: oai:DiVA.org:kth-230798DiVA, id: diva2:1219564
External cooperation
Kerimedical SA
Subject / course
Medical Engineering
Educational program
Master of Science - Medical Engineering
Examiners
Available from: 2018-06-25 Created: 2018-06-16 Last updated: 2018-06-25Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • ieee
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  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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