Damping in AZ31 ECAP-Processed Alloy

Tatiana V. Ivleva; Jürgen Göken; Igor S. Golovin; Zuzana Zuberova; Manuel Maikranz-Valentin; Kurt Steinhoff

doi:10.4028/www.scientific.net/SSP.137.181

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In Situ Neutron Diffraction Study of Internal Stresses in 60% Mn-40% Cu Alloy Introduced by Ageing
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Change of Structure and Properties of 51CrV4 Shaft Caused by Thermo-Mechanical Treatment
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Damping in AZ31 ECAP-Processed Alloy
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Do Electromagnetic Pulses Induce the Relaxation or Activation of Microcracking Rate in Loaded Rocks?
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Phase Heterogeneities of Lipidic Aggregates
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Mechanical Spectroscopy of Oil Films on Metallic and Neutral Substrates
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HomeSolid State PhenomenaSolid State Phenomena Vol. 137Damping in AZ31 ECAP-Processed Alloy

Damping in AZ31 ECAP-Processed Alloy

Abstract:

Study of anelasticity in AZ31 magnesium-based alloy in initial (hot-rolled at 370 оС) condition and after one and four passes of equal channel angular pressing is carried out. An internal friction peak was found at 170 °C at a frequency f of about 1 Hz. Two possible mechanisms of this peak are discussed: it is suggested that the peak origin is the grain boundary relaxation.