publication . Article . 2015

Friction Properties of Laminated Composite Materials of Alpha-Tricalcium Phosphate–Filled Poly (Vinyl Alcohol) Hydrogels

Yamamoto, Kanae; Iwai, Tomoaki; Shoukaku, Yutaka;
Open Access English
  • Published: 01 Jan 2015 Journal: Tribology Online, volume 10, issue 6 (MJTS 2014 Special Issue), pages 413-419 (issn: 1881-2198, Copyright policy)
  • Publisher: 日本トライボロジー学会 = Japanese Society of Tribologists
The aim of this study was to examine the mechanical characteristics of a polyvinyl alcohol hydrogel (PVA-H) as a candidate material for artificial joint cartilage. In the study, PVA-H was filled with α-tricalcium phosphate (α-TCP) in order to improve its mechanical properties. In addition, laminated composite materials with 3 layers were prepared by laminating α-TCP–filled PVA-H and unfilled PVA-H. The samples were prepared with different numbers of repeated freeze–thaw cycles and several concentrations of α-TCP. Compression tests and friction tests were carried out to investigate the mechanical and friction properties of the PVA-H. The results of the tests show...
free text keywords: polyvinyl alcohol hydrogel, friction coefficient, Stribeck curve, laminated composite material, alpha-tricalcium phosphate, hydroxyapatite
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Article . 2015
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