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Polymeric PTC (positive temperature coefficient) composites have been prepared by incorporating carbon black into polyethylene matrices. The dependence of conductivity upon filler loading level obeys a mixtures rule, which was determined by fitting the experimental data into the general effective...
Polymer/layered-silicate nanocomposites (PLSN) are prepared by polymer melt intercalation in layered silicate. The influence of polymer state on the electrical properties is analyzed. The experimental results show that poly(ethylene oxide) (PEO) can intercalate into the silicate interlayer in the...
The equiatomic TiNi alloy exhibits an excellent wear resistance benefiting from its pseudoelasticity. The wear behavior of TiNi alloy was expected to improve further if hard particles were embedded in the alloy. The hard-phase particles may withstand the external load and the pseudoelastic matrix...