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You searched on: Author: aaron forster

Displaying records 11 to 20 of 40 records.
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11. Influence of solvent washing on interlayer structure of alkylammonium montmorillonites
Published: 4/26/2012
Authors: Wayne L. (Wayne L) Elban, John A. Howarter, Mickey C. Richardson, Paul E Stutzman, Aaron M Forster, Adam J. Nolte, Gale Antrus Holmes
Abstract: Powdered samples of montmorillonite were functionalized with ammonium surfactants of various chain lengths and subjected to two different constant volume washing procedures: water only or sequential ethanol-water. The organo-functionalized montmoril ...

12. In situ observation of the indentation-induced phase transformation of silicon thin films
Published: 3/5/2012
Authors: Yvonne Beatrice Gerbig, Chris A Michaels, Aaron M Forster, Robert Francis Cook
Abstract: Indentation-induced phase transformation processes were studied by in situ Raman microspectroscopy of the deformed contact region of silicon on sapphire samples during contact loading and unloading. During loading, the formation of Si-II and another ...

13. Modeling and DIC Measurements of Dynamic Compression Tests of a Soft Tissue Simulant
Published: 6/6/2011
Authors: Steven P Mates, Aaron M Forster, R Rhorer, Amit Bagchi, Richard Everett, Kirth Simmonds
Abstract: Stereoscopic digital image correlation (DIC) is used to measure the shape evolution of a soft, transparent thermoplastic material subject to a high strain rate compression test performed using a Kolsky bar. Rather than using the usual Kolsky bar wave ...

14. Energy Absorption Measurements to Standardize Foam in Stab Testing
Published: 9/13/2010
Authors: Aaron M Forster, Diane Mauchant, Elizabeth Wailes, Amanda Lattam Forster, Michael A Riley, Kirk D Rice
Abstract: Polymer foams serve an important role in the assessment and certification of stab resistant body armor for both US and UK standards. A composite of neoprene and polyethylene foam is used behind the armor during testing. The foam mimics stab dynamic ...

15. 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 ...

16. 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 ...

17. 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; ...

18. 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 ...

19. 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 ...

20. 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 ...

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  • SP 250-XX: Calibration Services
  • SP 260-XX: Standard Reference Materials
  • SP 300-XX: Precision Measurement and Calibration
  • SP 400-XX: Semiconductor Measurement Technology
  • SP 480-XX: Law Enforcement Technology
  • SP 500-XX: Computer Systems Technology
  • SP 700-XX: Industrial Measurement Series
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  • SP 823-XX: Integrated Services Digital Network Series