Stress relaxation in copper in the temperature range of 4.2–300 °K

Dotsenko, V. I.; Landau, A. I.

doi:10.1016/0025-5416(76)90142-7

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Consideration Of Work Hardening In the Experiments1

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1976

1994

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Cited by 14 publications

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“…While investigating the temperature dependence of the stress relaxation in copper [40], it was found that the post-relaxation effect So is appreciable only a t temperatures below 77.3 K, and that So/Ao N 1/T in this case. To illustrate this statement, Fig.…”

Section: Consideration Of Work Hardening In the Experimentsmentioning

confidence: 97%

Stress Relaxation in Crystals

Dotsenko

1979

Physica Status Solidi (b)

158

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Section: Consideration Of Work Hardening In the Experimentsmentioning

confidence: 97%

Stress Relaxation in Crystals

Dotsenko

1979

Physica Status Solidi (b)

158

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Power-like dependence of the effective dislocation velocity on load resulting from the stochastic character of motion through a random array of point obstacles

Landau

Dotsenko

1976

Phys. Stat. Sol. (a)

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It is shown that the power‐like dependence of the mean dislocation velocity v̄ on load of v̄ ∼ ϱ H0/kT type can be obtained analytically via considering the dislocation motion through a two‐dimensional random array of point obstacles. This results from stochastic averaging over the motion parameters, even in the case when the load dependence for the probability of surmounting every distinct local obstacle is described by the usual exponential relation. The v̄ ∼ ϱ H0/kT relation and its stochastic interpretation are shown to account for the number of peculiarities in stress relaxation for copper in the temperature range 4.2 to 300 K.

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Application d'une méthode d'analyse de la relaxation anélastique. Extension au fluage à haute température

Varchon¹,

Oytana²,

Delobelle³

1978

Phys. Stat. Sol. (a)

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On présente une méthode permettant de remonter au spectre de relaxation des solides anélastiques, dans une plage limitée de temps de relaxation à partir d'une courbe de relaxation. On utilise pour cela les approximations de Schwartzl et Staverman. Des vérifications et des exemples d'application aux problèmes du frottement interne sont exposés. Une extension est proposée dans le cas des solides viscoélastiques et on détermine de la sorte les paramètres caractéristiques du fluage à partir d'un pseudo‐temps de relaxation. Les différents cas particuliers sont envisagés.

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Stress relaxation in copper in the temperature range of 4.2–300 °K

Cited by 14 publications

References 24 publications

Stress Relaxation in Crystals

Stress Relaxation in Crystals

Power-like dependence of the effective dislocation velocity on load resulting from the stochastic character of motion through a random array of point obstacles

Application d'une méthode d'analyse de la relaxation anélastique. Extension au fluage à haute température

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