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Home  >  Journal list  >  MATERIALS TRANSACTIONS  >  Vol.56  No.2 (2015)  >  pp.182-186

MATERIALS TRANSACTIONS
<<Previous article Vol.56  No.2 (2015)   pp.182 - 186 Next article>>

Order Evolution in Iron-Based Alloys Viewed through Amplitude Dependent Damping Studies

Osvaldo Agustín Lambri1), José Ignacio Pérez-Landazábal2), Damián Gargicevich1), Vicente Recarte2), Federico Guillermo Bonifacich1), Gabriel Julio Cuello3), Vicente Sánchez-Alarcos2)
1) Laboratorio de Materiales, Escuela de Ingeniería Eléctrica, Centro de Tecnología e Investigación Eléctrica, Facultad de Ciencias Exactas, Ingeniería y Agrimensura, Universidad Nacional de Rosario — CONICET. 2) Departamento de Física, INAMAT, Universidad Pública de Navarra 3) Institute Laue-Langevin

Amplitude dependent damping and neutron thermo-diffraction studies were performed in Fe-Al-Si, Fe-Al-Cr and Fe-Si alloys. Results show that the behaviour of the strength of the amplitude dependent damping as a function of temperature is a suitable tool for determining the order changes as a function of temperature. A decrease in the order degree leads to an increase in the strength of the amplitude dependent damping, due to the dislocation mobility increases.


Keyword:
order degree, dislocation mobility, iron-based alloys, amplitude dependent damping, neutron thermodiffraction

Received: November 07, 2014
Accepted: November 26, 2014 , Published online: January 25, 2015

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