We describe an insert for measurements of the complex elastic moduli between liquid N2 temperature and over 1000 K. The system has been tested with free flexural vibrations of bar-like samples suspended on thermocouple wires with electrostatic excitation and capacitive detection of the vibration, providing excellent measurements with elastic energy loss coefficients between 3 × 10-6 and 0.1. The specially designed system for regulating the distance between the electrode and the sample would also allow optical detection of the vibration through optic fibers.
An insert for anelastic spectroscopy measurements from 80 K to 1100 K
F Cordero;F Corvasce;PM Latino;
2009
Abstract
We describe an insert for measurements of the complex elastic moduli between liquid N2 temperature and over 1000 K. The system has been tested with free flexural vibrations of bar-like samples suspended on thermocouple wires with electrostatic excitation and capacitive detection of the vibration, providing excellent measurements with elastic energy loss coefficients between 3 × 10-6 and 0.1. The specially designed system for regulating the distance between the electrode and the sample would also allow optical detection of the vibration through optic fibers.File in questo prodotto:
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