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- Title
Composite resin reinforced with pre-tensioned fibers: a three-dimensional finite element study on stress distribution.
- Authors
Jie, Lin; Shinya, Akikazu; Lassila, Lippo; Vallittu, Pekka
- Abstract
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.
- Subjects
FINITE element method; STRESS concentration; FLEXURAL strength; FIBROUS composites; STRAINS &; stresses (Mechanics)
- Publication
Odontology, 2013, Vol 101, Issue 1, p29
- ISSN
1618-1247
- Publication type
Article
- DOI
10.1007/s10266-012-0061-6