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Full-Text Articles in Other Materials Science and Engineering

Carbon Nanotubes Grown On Glass Fiber As A Strain Sensor For Real Time Structural Health Monitoring, Matthew Boehle, Qiong Jiang, Lingchuan Li, Alexandre Lagounov, Khalid Lafdi Feb 2012

Carbon Nanotubes Grown On Glass Fiber As A Strain Sensor For Real Time Structural Health Monitoring, Matthew Boehle, Qiong Jiang, Lingchuan Li, Alexandre Lagounov, Khalid Lafdi

Chemical and Materials Engineering Faculty Publications

In order to more effectively monitor the health of composite structures, a fuzzy fiber sensor has been developed. The fuzzy fiber is a bundle of glass fibers with carbon nanotubes or nanofibers (CNTs or CNFs) grown on the surface. The nanotube coating makes the fiber bundle conductive while the small conductive path increases sensitivity. The fuzzy fiber sensor can replace conventional metal foil strain gauges in composite applications. The electrical response of the sensor is monitored in real time to measure strain, vibration, cracking and delamination. Continuous monitoring provides instant notification of any problems. Implementation of this sensor network in …


Melting Point Suppression In New Lanthanoid(Iii) Ionic Liquids By Trapping Of Kinetic Polymorphs: An In Situsynchrotron Powder Diffraction Study, Anthony S.R. Chesman, Mei Yang, Bert Mallick, Tamsyn M. Ross, Ian A. Gass, Glen B. Deacon, Stuart R. Batten, Anja V. Mudring Jan 2012

Melting Point Suppression In New Lanthanoid(Iii) Ionic Liquids By Trapping Of Kinetic Polymorphs: An In Situsynchrotron Powder Diffraction Study, Anthony S.R. Chesman, Mei Yang, Bert Mallick, Tamsyn M. Ross, Ian A. Gass, Glen B. Deacon, Stuart R. Batten, Anja V. Mudring

Anja V. Mudring

he inclusion of lanthanoids in ionic liquids (ILs) offers an ideal route to incorporate their unique luminescent and magnetic properties into a bulk solution.1,2 However, lanthanoid compounds often exhibit a poor solubility in commonly used ILs because the IL anions are typically very weakly coordinating, prohibiting the simple dissolution of a lanthanoid salt by complexation to any beneficial extent.2 One strategy used to achieve high lanthanoid concentrations is to incorporate the lanthanoid cation directly into an anion that will form ILs.3 This is best accomplished by employing a ligand which readily coordinates to a lanthanoid atom and possesses properties, such …


Lanthanide Coordination Polymers With Tetrafluoroterephthalate As A Bridging Ligand: Thermal And Optical Properties, Christiane Seidel, Chantal Lorbeer, Joanna Cyninska, Anja V. Mudring, Uwe Ruschewitz Jan 2012

Lanthanide Coordination Polymers With Tetrafluoroterephthalate As A Bridging Ligand: Thermal And Optical Properties, Christiane Seidel, Chantal Lorbeer, Joanna Cyninska, Anja V. Mudring, Uwe Ruschewitz

Anja V. Mudring

Seven new coordination polymers ∞2[Ln(tfBDC)(NO3)(DMF)2]·DMF (Ln3+ = Ce, Pr, Nd, Sm, Dy, Er, Yb) with the perfluorinated linker ligand tetrafluoroterephthalate (tfBDC2−) have been synthesized. Their crystal structures consist of layers (44 nets) weakly bound by van der Waals interactions. In addition, differential thermal analysis/thermogravimetry (DTA/TG) curves, as well as absorption and emission spectra, have been recorded for all compounds.