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TECHNICAL PAPERS

Recent Developments in Gradient Plasticity—Part II: Plastic Heterogeneity and Wavelets

[+] Author and Article Information
Avraam A. Konstantinidis

Laboratory of Mechanics and Materials (LMM), Polytechnic School, Aristotle University of Thessaloniki, Thessaloniki, GR-54006 Greece e-mail: mom@mom.gen.auth.gr

Elias C. Aifantis

Laboratory of Mechnanics and Materials (LMM), Polytechnic School, Aristotle University of Thessaloniki, Thessaloniki, GR-54006 Greece Center for the Mechanics of Material Instabilities and Manufacturing Processes (MMINMP), Michigan Tech, Houghton, MI 49931

J. Eng. Mater. Technol 124(3), 358-364 (Jun 10, 2002) (7 pages) doi:10.1115/1.1479696 History: Received January 19, 2002; Revised February 19, 2002; Online June 10, 2002
Copyright © 2002 by ASME
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References

Figures

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Localized clustered slip bands in Fe3Al appearing rapidly during deformation
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(a) Experimental height measurements 4; (b) spatial distribution of strain γ
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(a) Symmlet mother wavelet; (b) strain distribution at scale 9 of wavelet analysis
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Strain distribution coming from wavelet analysis at scales 7(a), 5(b), 3(c), and 1(d)
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Step height distribution coming from wavelet analysis at scales 7(a), 5(b), 3(c), and 1(d)
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Errors of the prediction: (a) scale 8; (b) scale 9
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Slip step height distribution prediction at a resolution higher than the experimental
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(a) Fitting of experimental data on torsional plastic flow of polycrystalline copper; (b) radial shear stress profile in torsion.
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Fitting of experimental data on bending plastic flow of Ni thin foils

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