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Resistance to dislocation motion in copper-based solid solutions with a statistically disordered atomic distribution

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Abstract

The stress σF due to friction forces in copper-based solid solutions was determined. Under the conditions of the procedure used to measure σF, on the basis of the half-wave hysteresis with polycrystalline samples, the value of d: σF = σF0 + KFd−(1/2) where σF0 is the resistance to dislocation motion in an alloy having an infinite grain size, and KF is a constant. It is shown that σF0 is governed by the interaction of moving dislocations with impurity atoms in the case of a statistically disordered atomic distribution. A study was made of the effects of various factors on σF and of the nature of the changes in σF0 caused by alloying.

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Literature cited

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Authors and Affiliations

  1. V. D. Kuznetsov Siberian Physicotechnical Institute, Tomsk State University, USSR

    E. F. Dudarev, N. V. Nikitina, L. D. Dikusar & V. E. Panin

Authors
  1. E. F. Dudarev
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  2. N. V. Nikitina
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  3. L. D. Dikusar
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  4. V. E. Panin
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Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii Fizika, No.3, pp. 18–23, March, 1971.

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Dudarev, E.F., Nikitina, N.V., Dikusar, L.D. et al. Resistance to dislocation motion in copper-based solid solutions with a statistically disordered atomic distribution. Soviet Physics Journal 14, 304–307 (1971). https://doi.org/10.1007/BF00822258

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  • DOI: https://doi.org/10.1007/BF00822258

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