A modification of the Lumbroso Reverbori method for the determination of the pores volume of resin is described. The results are compared with those of previously published methods.
R. Catusse , M. Feki, H.F. Ayedi
Pages 55-58
Any thermodynamical investigation should be preceded by a precise definition of the "Thermodynamical System" (Material System) connected with this investigation. It is possible to extend the usual definition of a Thermodynamical system and to emphasize the fact that such a system is indeed a particular element in a well given set. These sets, we have called "Existence fields of Thermodynamical Systems", may be defined in a rigourous way by means of some conventions issued from an adapted terminology. Such a thermodynamical phenomena concept enables us to investigate, in an original manner, in-equilibrial material system and specially phase diagrams.
J. Belguith, J. L. Janier Dubry
Pages 59-63
The importance of recording Raman spectra in the vicinity of phase transitions of the studied materials led us to the design of this device. It is made of materials available and calibrated to allow temperature measurements with an accuracy of around 2°C.
M. Damak, A. Daoud
Pages 65-67