Plastic Flow Localization Viewed as an Auto-Wave Process Generated in Deforming Metals

Lev Zuev; Svetlana A. Barannikova

doi:10.4028/www.scientific.net/SSP.172-174.1279

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HomeSolid State PhenomenaSolid State Phenomena Vols. 172-174Plastic Flow Localization Viewed as an Auto-Wave...

Plastic Flow Localization Viewed as an Auto-Wave Process Generated in Deforming Metals

Abstract:

The localized plastic flow auto-waves observed for the stages of easy glide and linear work hardening in a number of metals are considered. The propagation rates were determined experimentally for the auto-waves in question with the aid of focused-image holography. The dispersion relation of quadratic form derived for localized plastic flow auto-waves and the dependencies of phase and group rates on wave number are discussed. A detailed comparison of the quantitative characteristics of phase and group waves has revealed that the two types of wave observed for the stages of easy glide and linear work hardening are closely related. An invariant is introduced for localized plastic flow phenomena occurring on the micro- and macro-scale levels in the deforming solid.

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Periodical:

Solid State Phenomena (Volumes 172-174)

Pages:

1279-1283

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.172-174.1279

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Online since:

June 2011

Authors:

Lev Zuev, Svetlana A. Barannikova

Keywords:

Crystal Plasticity, Fracture, Mechanical Testing, Metallic Material, Optical Interferometry, Strengthening Mechanisms

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