A1 Journal article – refereed
Composite resin reinforced with pre-tensioned fibers: a three-dimensional finite element study on stress distribution

List of Authors: Jie L, Shinya A, Lassila LVJ, Vallittu PK
Publisher: SPRINGER
Publication year: 2013
Journal: Odontology
Journal name in source: ODONTOLOGY
Journal acronym: ODONTOLOGY
Number in series: 1
Volume number: 101
Issue number: 1
Number of pages: 5
ISSN: 1618-1247

Pre-tensioned construction material is utilized in engineering applications of high strength demands. The purpose of this study was to evaluate the effect of the pre-tensioning fibers of fiber-reinforced composite (FRC) using three-dimensional finite element (FE) analysis. The 3D FE models of particulate composite resin (CR), FRC and composite resin reinforced with pre-tensioned fibers (PRE-T-FRC) were constructed. The uniaxial three-point bending test was simulated using FE analysis to calculate the principal stress distribution. In the FRC and PRE-T-FRC, stresses were higher than CR, and they were located in the fiber. However, the maximum principal stress value at the composite of PRE-T-FRC was lower than the FRC and CR. Composite resin reinforced with pre-tensioned fibers was advantageous for stress distribution and lowering the stress at the composite itself. Experimental studies on physical properties of pre-tensioned FRC are encouraged to be conducted.

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