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This paper presents the thermal analysis of cyclic compression experiments which were carried out on commercial PC and PMMA cylindrical specimens. The thermal problem is solved numerically (®nite element). Uniform internal heat generation is assessed from the experimental evolution of the hysteretic energy rate throughout the experiment. The results show a very good agreement between the calcul...

We demonstrate synthesis of a polymer-derived ceramic (PDC)-multiwall carbon nanotube (MWCNT) composite using microwave irradiation at 2.45 GHz. The process takes about 10 min of microwave irradiation for the polymer-to-ceramic conversion. The successful conversion of polymer coated carbon nanotubes to ceramic composite is chemically ascertained by Fourier transform-infrared and X-ray photoelec...

We demonstrate the role of the proximity effect in the thermal hysteresis of superconducting constrictions. From the analysis of successive thermal instabilities in the transport characteristics of micron-size superconducting quantum interference devices with a well-controlled geometry, we obtain a complete picture of the different thermal regimes. These determine whether or not the junctions a...