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(Color online) Schematic of the nanomechanical characterization device showing the magnified view of the sample between two probes and the available degrees of freedom.
A high resolution SEM picture of the polyaniline microfiber specimen microwelded to the probe tips of the nanotensilometer prior to the tensile test.
Engineering stress-strain curve for an diameter polyaniline microfiber (Test 1) showing the load (open circles), hold (filled triangles), and the unload (open squares) segments; the initial specimen length was , the applied displacement rate was , and the maximum displacement was . The hold time was .
Engineering stress and strain for Test 1 (open circles) and Test 2 (filled squares); the latter experiment involved loading the sample to ; failure at the probe-sample weld occurred prior to reaching this maximum displacement; the inset magnifies the data up to .
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