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Multi-parameter sensing in the form of sensor arrays functionalized with multiple receptors, is an approach for attaining selectivity in sensing. We have demonstrated a novel fiber sensor based on an etched Bragg grating whose core is coated with materials such as polyelectrolytes, carbon nanotubes, and polyallylamine-amino-carbon nanotubes, and can be used for detecting gases, pH, humidity, refractive...
It has been well established that spheroidal grain morphology in the microstructure forms during stir casting (rheocasting) and grain refinement of magnesium alloys by zirconium addition. This curious microstructure has been of interest both commercially from enhanced mechanical properties and also scientific interest in explaining the mechanism of spheroidal grain formation. Vogel and Doherty proposed...
Carbon nanotubes (CNT) have a Young’s modulus of 1TPa, making them ideal reinforcements for composite materials. It is important to understand the relevant strengthening mechanisms involved in CNT/Al composites, in order to produce optimized composites. Three major mechanisms are analyzed along with experimental procedure for making CNT/Al composites.
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