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You searched on: Author: aaron forster

Displaying records 11 to 20 of 36 records.
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11. Matrix Relaxation After Fracture In A Toughened Epoxy
Published: 3/3/2010
Authors: Aaron M Forster, Aurelien Blond, Donald Lee Hunston
Abstract: The inclusion of phase-separated rubber particles in a brittle thermoset matrix has been shown to increase the Mode I fracture energies for a wide range of model and commercial adhesives. Our recent efforts combine these two approaches by comparing t ...

12. Effect of Nano-Silica Fillers on Surface Morphology and Mechanical Properties of Polymer-Silica Composites
Published: 8/20/2009
Authors: Li Piin Sung, Dongmei Zhe, Aaron M Forster, Peter Krommenhoek, Nancy J Lin, Sheng Lin-Gibson
Abstract: Investigation on the effect of nano-silica on the effect of nano-silica on the surface morphology and mechanical properties has been carried out on two-dimensional (2D) gradient polymer-silica composite samples varied in chemical composition (e.g., f ...

13. Characterization of Ambient Temperature Cure Epoxies Used in Adhesive Anchor Applications
Published: 5/20/2009
Authors: Joannie W Chin, Aaron M Forster, Cyril Clerici, Donald Lee Hunston
Abstract: Thermo-viscoelastic properties and creep response of two commercial, ambient temperature cure epoxy structural adhesives were analyzed and compared. The adhesives were formulated by the same manufacturer and appeared to have the same base chemistry; ...

14. Robust, conductive ordered mesoporous films based on carbon-silica composites
Published: 4/22/2009
Authors: Lingyan Song, Dan Feng, Casey G Campbell, Aaron M Forster, Dongyuan Zhao, Bryan D. Vogt
Abstract: Mesoporous carbon-based sensors have been demonstrated to have enhanced electrochemical response as a result of their large interfacial area. To date, mesoporous carbon powders held together by a polymeric binder have been typically utilized. Howeve ...

15. Combinatorial characterization of photopolymerizable composites: Effect of filler type and content on properties
Published: 3/22/2009
Authors: Li Piin Sung, Aaron M Forster, Haiqing Hu, Nancy J Lin, Sheng Lin-Gibson
Abstract: Multi-component formulations coupled with complex processing conditions govern the final properties of photopolymerizable dental composites. In this study, a single test substrate was fabricated to support multiple formulations with a gradient in deg ...

16. Effects of filler type and content on mechanical properties of photopolymerizable composites determined using a two-dimensional gradient platform
Published: 2/5/2009
Authors: Sheng Lin-Gibson, Li Piin Sung, Haiqing Hu, Aaron M Forster, Nancy J Lin
Abstract: Photopolymerizable dental composites have complex processing conditions and multi-component formulations that affect the final properties. Combinatorial screening is a useful approach for evaluating multiple properties of the composites. A single te ...

Published: 12/10/2008
Authors: Aaron M Forster, Cyril Clerici, Donald Lee Hunston
Abstract: An efficient method to increase the Mode I fracture energy of a polymer adhesive is to incorporate a rubbery phase within the glassy matrix. In general, the failure surface of a toughened polymer is characterized by cavitated rubber particles and pl ...

18. Instrumented Indentation for Quantifying Quasi-static and Transient Properties of Polymeric Coatings
Published: 11/26/2008
Authors: Aaron M Forster, Peter Krommenhoek, Li Piin Sung, Chris A Michaels, Kurt Wood
Abstract: Instrumented indentation was used to investigate the mechanical properties of coatings for automotive and architectural applications. First, the mechanical properties in the cross-section of a multi-layer acrylic-melamine automotive coating subjected ...

19. Modulus and Chemical Mapping of Multi-layer Coatings
Published: 10/1/2008
Authors: Aaron M Forster, Chris A Michaels, Li Piin Sung, Justin Lucas
Abstract: Thermoplastic olefins (TPO) are polymeric materials utilized for interior and exterior automotive parts. These materials are often painted to enhance appearance and protect the soft TPO substrate. TPO materials posses a low surface energy due to th ...

20. Effect of Annealing Condition and Composition on the Scratch Behavior of Fluorinated Coatings
Published: 9/24/2008
Authors: Li Piin Sung, Aaron M Forster, K Wood
Abstract: Fluorinated and acrylic coatings are commonly used as binders for exterior coatings because of their excellent resistance to UV radiation and many corrosive chemical agents. It is known that the fluorinated component of the coating usually has a lowe ...

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