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UFN, 2017, Volume 187, Number 5, Pages 525–545 (Mi ufn5811)  

This article is cited in 8 scientific papers (total in 8 papers)

PHYSICS OF OUR DAYS

Unusual plasticity and strength of metals at ultra-short load durations

G. I. Kanela, E. B. Zaretskyb, S. V. Razorenovc, S. I. Ashitkova, V. E. Fortova

a Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow
b Ben-Gurion University of the Negev
c Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow region

Abstract: This paper briefly reviews recent experimental results on the temperature-rate dependences of flow and fracture stresses in metals under high strain rate conditions for pulsed shock-wave loads with durations from tens of picoseconds up to microseconds. In the experiments, ultimate (‘ideal’) values of the shear and tensile strengths have been approached and anomalous growth of the yield stress with temperature at high strain rates has been confirmed for some metals. New evidence is obtained for the intense dislocation multiplication immediately originating in the elastic precursor of a compression shock wave. It is found that under these conditions inclusions and other strengthening factors may have a softening effect. Novel and unexpected features are observed in the evolution of elasto-plastic compression shock waves.

Funding Agency Grant Number
Russian Science Foundation 14-12-01127
This work was supported by the Russian Science Foundation under grant No. 14-12-01127.


DOI: https://doi.org/10.3367/UFNr.2016.12.038004

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Full text: http://www.ufn.ru/.../c
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English version:
Physics–Uspekhi, 2017, 60:5, 490–508

Bibliographic databases:

PACS: 62.50.-p
Received: October 11, 2016
Revised: December 23, 2016
Accepted: December 8, 2016

Citation: G. I. Kanel, E. B. Zaretsky, S. V. Razorenov, S. I. Ashitkov, V. E. Fortov, “Unusual plasticity and strength of metals at ultra-short load durations”, UFN, 187:5 (2017), 525–545; Phys. Usp., 60:5 (2017), 490–508

Citation in format AMSBIB
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    Citing articles on Google Scholar: Russian citations, English citations
    Related articles on Google Scholar: Russian articles, English articles

    This publication is cited in the following articles:
    1. V. S. Krasnikov, A. E. Mayer, “Influence of local stresses on motion of edge dislocation in aluminum”, Int. J. Plast., 101 (2018), 170–187  crossref  isi
    2. T. V. Popova, A. E. Mayer, K. V. Khishchenko, “Evolution of shock compression pulses in polymethylmethacrylate and aluminum”, J. Appl. Phys., 123:23 (2018), 235902  crossref  isi
    3. E. B. Zaretsky, I G. Kanel, “Abnormal temperature effects on the dynamic yield stress of alpha-brass”, J. Appl. Phys., 124:4 (2018), 045902  crossref  isi  scopus
    4. S. V. Razorenov, “Influence of structural factors on the strength properties of aluminum alloys under shock wave loading”, Matter Radiat. Extrem., 3:4 (2018), 145–158  crossref  isi  scopus
    5. G. I. Kanel', G. V. Garkushin, A. S. Savinykh, S. V. Razorenov, “Effect of small preliminary deformation on the evolution of elastoplastic waves of shock compression in annealed vt1-0 titanium”, J. Exp. Theor. Phys., 127:2 (2018), 337–341  crossref  isi  scopus
    6. S. I. Ashitkov, P. S. Komarov, E. V. Struleva, N. A. Inogamov, M. B. Agranat, “Laser ablation of tantalum, two-temperature physics and strength of melt”, XXXII International Conference on Interaction of Intense Energy Fluxes With Matter (ELBRUS 2017), Journal of Physics Conference Series, 946, IOP Publishing Ltd, 2018, 012002  crossref  isi  scopus
    7. Saveleva N., Bayandin Yu., Naimark O., “Numerical Simulation of Elastic Precursor Decay in Aluminum Alloy”, AIP Conference Proceedings, 2051, eds. Panin V., Psakhie S., Fomin V., Amer Inst Physics, 2018, UNSP 020265  crossref  isi
    8. Mayer A.E., Mayer P.N., “Evolution of Pore Ensemble in Solid and Molten Aluminum Under Dynamic Tensile Fracture: Molecular Dynamics Simulations and Mechanical Models”, Int. J. Mech. Sci., 157 (2019), 816–832  crossref  isi
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