EXPERIMENTAL INVESTIGATION OF STRESS DEPENDENCE ON THE DISLOCATION DENSITY OF F. C. C. ALLOYS.

N. A. Koneva, L. A. Teplyakova, D. V. Lychagin, Yu A. Abzaev, T. S. Kunitsina, A. V. Paul, N. A. Popova, E. V. Kozlov

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The present work is an experimental verification of the fulfilment of the known relation T equals alpha Gb ROOT rho . Monocrystals of f. c. c. alloys with different orientation and state of order and polycrystals with different grain size were investigated. The dislocation substructure study was fulfilled by the transmission electron microscopy method in a wide deformation interval even up to destruction. It is established that the condition of the indicated relation fulfilment is the preservation of dislocation substructure similarity in plastic deformation. The quantitative criterion of this similarity is the dislocation distribution character and moments of the distribution which describe dislocation density evolution during the deformation. The dislocation substructure similarity is not fulfilled, as a rule, if the deformation reaches great value and dislocation density is changed about 1. 5-2 degrees and more. In this case the dependence T ( ROOT rho is more complicated than is predicted by the indicated relation.

Original language	English
Title of host publication	Unknown Host Publication Title
Place of Publication	Oxford, Engl
Publisher	Pergamon Press (International Series on the Strength and Fracture of Materials and Structures)
Pages	27-32
Number of pages	6
Volume	1
ISBN (Print)	0080316409
Publication status	Published - 1986

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ASJC Scopus subject areas

Engineering(all)

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Koneva, N. A., Teplyakova, L. A., Lychagin, D. V., Abzaev, Y. A., Kunitsina, T. S., Paul, A. V., ... Kozlov, E. V. (1986). EXPERIMENTAL INVESTIGATION OF STRESS DEPENDENCE ON THE DISLOCATION DENSITY OF F. C. C. ALLOYS. In Unknown Host Publication Title (Vol. 1, pp. 27-32). Oxford, Engl: Pergamon Press (International Series on the Strength and Fracture of Materials and Structures).

EXPERIMENTAL INVESTIGATION OF STRESS DEPENDENCE ON THE DISLOCATION DENSITY OF F. C. C. ALLOYS. / Koneva, N. A.; Teplyakova, L. A.; Lychagin, D. V.; Abzaev, Yu A.; Kunitsina, T. S.; Paul, A. V.; Popova, N. A.; Kozlov, E. V.

Unknown Host Publication Title. Vol. 1 Oxford, Engl : Pergamon Press (International Series on the Strength and Fracture of Materials and Structures), 1986. p. 27-32.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Koneva, N. A. ; Teplyakova, L. A. ; Lychagin, D. V. ; Abzaev, Yu A. ; Kunitsina, T. S. ; Paul, A. V. ; Popova, N. A. ; Kozlov, E. V. / EXPERIMENTAL INVESTIGATION OF STRESS DEPENDENCE ON THE DISLOCATION DENSITY OF F. C. C. ALLOYS. Unknown Host Publication Title. Vol. 1 Oxford, Engl : Pergamon Press (International Series on the Strength and Fracture of Materials and Structures), 1986. pp. 27-32

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abstract = "The present work is an experimental verification of the fulfilment of the known relation T equals alpha Gb ROOT rho . Monocrystals of f. c. c. alloys with different orientation and state of order and polycrystals with different grain size were investigated. The dislocation substructure study was fulfilled by the transmission electron microscopy method in a wide deformation interval even up to destruction. It is established that the condition of the indicated relation fulfilment is the preservation of dislocation substructure similarity in plastic deformation. The quantitative criterion of this similarity is the dislocation distribution character and moments of the distribution which describe dislocation density evolution during the deformation. The dislocation substructure similarity is not fulfilled, as a rule, if the deformation reaches great value and dislocation density is changed about 1. 5-2 degrees and more. In this case the dependence T ( ROOT rho is more complicated than is predicted by the indicated relation.",

author = "Koneva, {N. A.} and Teplyakova, {L. A.} and Lychagin, {D. V.} and Abzaev, {Yu A.} and Kunitsina, {T. S.} and Paul, {A. V.} and Popova, {N. A.} and Kozlov, {E. V.}",

year = "1986",

language = "English",

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T1 - EXPERIMENTAL INVESTIGATION OF STRESS DEPENDENCE ON THE DISLOCATION DENSITY OF F. C. C. ALLOYS.

AU - Koneva, N. A.

AU - Teplyakova, L. A.

AU - Lychagin, D. V.

AU - Abzaev, Yu A.

AU - Kunitsina, T. S.

AU - Paul, A. V.

AU - Popova, N. A.

AU - Kozlov, E. V.

PY - 1986

Y1 - 1986

N2 - The present work is an experimental verification of the fulfilment of the known relation T equals alpha Gb ROOT rho . Monocrystals of f. c. c. alloys with different orientation and state of order and polycrystals with different grain size were investigated. The dislocation substructure study was fulfilled by the transmission electron microscopy method in a wide deformation interval even up to destruction. It is established that the condition of the indicated relation fulfilment is the preservation of dislocation substructure similarity in plastic deformation. The quantitative criterion of this similarity is the dislocation distribution character and moments of the distribution which describe dislocation density evolution during the deformation. The dislocation substructure similarity is not fulfilled, as a rule, if the deformation reaches great value and dislocation density is changed about 1. 5-2 degrees and more. In this case the dependence T ( ROOT rho is more complicated than is predicted by the indicated relation.

AB - The present work is an experimental verification of the fulfilment of the known relation T equals alpha Gb ROOT rho . Monocrystals of f. c. c. alloys with different orientation and state of order and polycrystals with different grain size were investigated. The dislocation substructure study was fulfilled by the transmission electron microscopy method in a wide deformation interval even up to destruction. It is established that the condition of the indicated relation fulfilment is the preservation of dislocation substructure similarity in plastic deformation. The quantitative criterion of this similarity is the dislocation distribution character and moments of the distribution which describe dislocation density evolution during the deformation. The dislocation substructure similarity is not fulfilled, as a rule, if the deformation reaches great value and dislocation density is changed about 1. 5-2 degrees and more. In this case the dependence T ( ROOT rho is more complicated than is predicted by the indicated relation.

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CY - Oxford, Engl

ER -

EXPERIMENTAL INVESTIGATION OF STRESS DEPENDENCE ON THE DISLOCATION DENSITY OF F. C. C. ALLOYS.

Abstract

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