Thermally activated mechanisms
Internal friction measurement
Article REF: P1310 V1
Thermally activated mechanisms
Internal friction measurement

Authors : Juan-Jorge MARTINEZ-VEGA, André RIVIERE

Publication date: March 10, 2000 | Lire en français

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4. Thermally activated mechanisms

In this case, the relaxation time τ of the mechanism underlying the relaxation is expressed as a function of temperature according to an Arrhenius law: τ=τ0expEakT

with :

τ 0 (s)
 : 
relaxation time limit
E a (eV)
 : 
mechanism activation energy
T (K)
 : 
...
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