Wear Resistance and Microstructure of Ultra High Molecular Weight Polyethylene During Uniaxial Tension

The influence of microstructure on wear resistance of prosthetic hip and joint bioimplant material, ultra high molecular weight polyethylene (UHMWPE) during uniaxial tension has been investigated. The microstructure and wear resistance have been studied utilizing wide-angle X-ray diffraction and nan...

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Bibliographic Details
Published in:Tribology letters 2024-03, Vol.72 (1), p.2, Article 2
Main Authors: Movva, Sahitya, Burrell, Reeshemah K., Garmestani, Hamid, Jacob, Karl I.
Format: Article
Language:English
Subjects:
Abrasion resistance
Chemistry and Materials Science
Corrosion and Coatings
Deformation wear
Distribution functions
Materials Science
Microstructure
Molecular weight
Nanotechnology
Original Paper
Physical Chemistry
Pole figures
Polyethylene
Prostheses
Resistance factors
Surfaces and Interfaces
Texture
Texturing
Theoretical and Applied Mechanics
Thin Films
Tribology
Ultra high molecular weight polyethylene
Wear resistance
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Summary:The influence of microstructure on wear resistance of prosthetic hip and joint bioimplant material, ultra high molecular weight polyethylene (UHMWPE) during uniaxial tension has been investigated. The microstructure and wear resistance have been studied utilizing wide-angle X-ray diffraction and nanoscratch tester, respectively. The microstructure has been represented in terms of texture components resultant from orientation distribution functions (ODFs) and pole figures while wear resistance has been represented in terms of wear volume and wear resistance factor. This study investigates how the global combination of texture components prevalent in different plastic regimes engenders material responses to wear resistance. The effect of abrasion and change in wear resistance of the bioimplant material UHMWPE have been explored by varying the loads applied, scratch directions, scratch speeds and the number of recurring scratches within the nanoscratch tests. The wear resistance developed during the uniaxial tension has been correlated to the microstructural changes resulting due to mechanical deformation. This study of the correlation between wear resistance and texture suggests that improved wear resistance in UHMWPE can be achieved by texturing the bioimplant material in the loading direction.
ISSN:1023-8883
1573-2711
DOI:10.1007/s11249-023-01797-2