Abstract
In the frame of mission for the Sun approach, to understand the effects of the heating of the solar corona and the acceleration of the solar winds, research was carried out to study the behavior of glassy carbon that can be used for the heat shield. The physicochemical behavior of glassy carbon from 1600 up to 2100 K with or without proton bombardment and VUV irradiation was studied together with the measurement of the thermal optical properties, the ratio of the solar absorptivity to the total hemispherical emissivity conditioning the thermal equilibrium of the heat shield. Experimental results obtained on massive glassy carbon samples are presented through mass spectrometry, mass loss rate and microstructural characterization (XRD, SEM…), mechanical and thermo-optical properties. Finally, the synergistic effect of high temperature, protons and VUV radiation has a low impact on this material.
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