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Skip to Search Results- 6Graduate and Postdoctoral Studies (GPS), Faculty of
- 6Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 2Mechanical Engineering, Department of
- 2Mechanical Engineering, Department of/Journal Articles (Mechanical Engineering)
- 1Geotechnical and Geoenvironmental Engineering Program
- 1Geotechnical and Geoenvironmental Engineering Program/Other Research Publications (Geotechnical & Geoenvironmental Engineering)
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Fall 2016
The main purpose of this study was creating a finite element model with bio-realistic geometry of ligaments in the cervical spine region. A ligamentous finite element model was created that allows the study of the stress distribution on ligaments under six different moments: flexion, extension,...
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Spring 2014
This work provides a guideline for gecko inspired dry adhesive design and simulation. Mechanical property testing for several polymers commonly used in gecko adhesives (Kraton G1657 thermoplastic elastomer, ST-1060, and ST-1087 polyurethane elastomers) allowed hyperelastic and viscoelastic...
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2015
Heo, Giseon, Major, Paul W., Melenka, Garrett W., Carey, Jason P., Romanyk, Dan R., Toogood, Roger W., Fathimani, Maryam
Background The primary objective of this study was to develop a computer-controlled three-dimensional friction measuring system, the orthodontic friction simulator (OFS). A clinically-based in vitro experiment considering wet and dry friction for conventionally and self-ligated brackets is...
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Spring 2011
Stainless steel is one of the most commonly used materials in most industries. Excellent corrosion resistance of stainless steel is due to the formation of an oxide film on the surface (passive film), which protects the material from continuous corrosion attacks. When subjected to an attack...
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Evaluation of Different Winter Road Conditions and Effectiveness of Winter Road Maintenance Operations
DownloadFall 2014
This study uses friction measurements of Real Time Traction Tool (RT3)-Curve to characterize different road conditions, evaluate the effect of winter maintenance operations, and identify influential parameters. The reliability of RT3-Curve device was verified by a speed-dependency analysis....
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The Effect of Conventional Elastomers on Force and Moment of a Self-Ligating Orthodontic Bracket with Second-Order Angulation in the Dry and Wet States evaluated through a new 3D Friction Device
DownloadSpring 2013
Objective: A new three-dimensional friction device was used to investigate the effect of conventional elastomers on force and moment of a self-ligating orthodontic bracket with second-order angulation during a simulated retraction. Methods: An 0.018x0.025-in stainless steel archwire was drawn...
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The effect of perturbations on resistance to sliding in second order moments comparing two different bracket types
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Wong, Justin W., Carey, Jason P., Romanyk, Dan L., Heo, Giseon, Toogood, Roger W., Major, Paul W.
Orthodontic literature has shown all ligation methods to behave similarly in the clinical situation; however, the reasoning behind this still requires further investigation. A novel frictional device able to measure forces at the level of the bracket along with a custom perturbation device was...
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The Effect of Perturbations on Resistance to Sliding in Second Order Moments Using Conventional Ligated Brackets Versus Passive Self Ligated Brackets
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Abstract Objectives: A novel frictional and perturbation device was used to investigate the role of vibrations on resistance to sliding (RS) in conventional and passive ligated brackets Methods: 150 3M Victory Series twins (0.022 slot) and 150 Damon Q brackets (0.022 slot) were tested using an...