Standard

The definition of characteristic times of plastic relaxation by dislocation slip and grain boundary sliding in copper and nickel. / Selyutina, N.; Borodin, E.N.; Petrov, Y.; Mayer, A.E.

In: International Journal of Plasticity, Vol. 82, 2016, p. 97-111.

Research output: Contribution to journal › Article › peer-review

Harvard

Selyutina, N, Borodin, EN, Petrov, Y & Mayer, AE 2016, 'The definition of characteristic times of plastic relaxation by dislocation slip and grain boundary sliding in copper and nickel', International Journal of Plasticity, vol. 82, pp. 97-111. https://doi.org/10.1016/j.ijplas.2016.02.004

APA

Selyutina, N., Borodin, E. N., Petrov, Y., & Mayer, A. E. (2016). The definition of characteristic times of plastic relaxation by dislocation slip and grain boundary sliding in copper and nickel. International Journal of Plasticity, 82, 97-111. https://doi.org/10.1016/j.ijplas.2016.02.004

Vancouver

Selyutina N, Borodin EN, Petrov Y, Mayer AE. The definition of characteristic times of plastic relaxation by dislocation slip and grain boundary sliding in copper and nickel. International Journal of Plasticity. 2016;82:97-111. https://doi.org/10.1016/j.ijplas.2016.02.004

Author

Selyutina, N. ; Borodin, E.N. ; Petrov, Y. ; Mayer, A.E. / The definition of characteristic times of plastic relaxation by dislocation slip and grain boundary sliding in copper and nickel. In: International Journal of Plasticity. 2016 ; Vol. 82. pp. 97-111.

BibTeX

@article{0f8c589b9fe84ba3945496a1fac0cb1c,
title = "The definition of characteristic times of plastic relaxation by dislocation slip and grain boundary sliding in copper and nickel",
abstract = "{\textcopyright} 2016 Elsevier Ltd. The behaviour of the yield strength of metals is considered from viewpoint of dynamics as a function of the limiting stress and the characteristic time of stress relaxation. Experimental curves of the static and dynamic deformation of the coarse-grained copper, microcrystalline and nanocrystalline nickel are analyzed on the basis of the relaxation model of plasticity (the integral criterion) with a constant characteristic relaxation time. The analytical expressions of the relaxation time as a function of variables that characterizes the internal structure of material are obtained from the model of dislocation slip and grain boundary sliding. The strain rate dependences of the yield strength, which are calculated with the help of both the dislocation model and the integral criterion of plasticity, are compared with the experimental data for copper and nickel in a wide range of strain rates (10-3-1011 s-1). It is shown that the proposed analytical expressions give the relaxation time, which",
author = "N. Selyutina and E.N. Borodin and Y. Petrov and A.E. Mayer",
year = "2016",
doi = "10.1016/j.ijplas.2016.02.004",
language = "English",
volume = "82",
pages = "97--111",
journal = "International Journal of Plasticity",
issn = "0749-6419",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - The definition of characteristic times of plastic relaxation by dislocation slip and grain boundary sliding in copper and nickel

AU - Selyutina, N.

AU - Borodin, E.N.

AU - Petrov, Y.

AU - Mayer, A.E.

PY - 2016

Y1 - 2016

N2 - © 2016 Elsevier Ltd. The behaviour of the yield strength of metals is considered from viewpoint of dynamics as a function of the limiting stress and the characteristic time of stress relaxation. Experimental curves of the static and dynamic deformation of the coarse-grained copper, microcrystalline and nanocrystalline nickel are analyzed on the basis of the relaxation model of plasticity (the integral criterion) with a constant characteristic relaxation time. The analytical expressions of the relaxation time as a function of variables that characterizes the internal structure of material are obtained from the model of dislocation slip and grain boundary sliding. The strain rate dependences of the yield strength, which are calculated with the help of both the dislocation model and the integral criterion of plasticity, are compared with the experimental data for copper and nickel in a wide range of strain rates (10-3-1011 s-1). It is shown that the proposed analytical expressions give the relaxation time, which

AB - © 2016 Elsevier Ltd. The behaviour of the yield strength of metals is considered from viewpoint of dynamics as a function of the limiting stress and the characteristic time of stress relaxation. Experimental curves of the static and dynamic deformation of the coarse-grained copper, microcrystalline and nanocrystalline nickel are analyzed on the basis of the relaxation model of plasticity (the integral criterion) with a constant characteristic relaxation time. The analytical expressions of the relaxation time as a function of variables that characterizes the internal structure of material are obtained from the model of dislocation slip and grain boundary sliding. The strain rate dependences of the yield strength, which are calculated with the help of both the dislocation model and the integral criterion of plasticity, are compared with the experimental data for copper and nickel in a wide range of strain rates (10-3-1011 s-1). It is shown that the proposed analytical expressions give the relaxation time, which

U2 - 10.1016/j.ijplas.2016.02.004

DO - 10.1016/j.ijplas.2016.02.004

M3 - Article

VL - 82

SP - 97

EP - 111

JO - International Journal of Plasticity

JF - International Journal of Plasticity

SN - 0749-6419

ER -

ID: 7952244