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Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2007, Volume 48, Issue 4, Pages 154–161 (Mi pmtf2063)  
Contribution of point defects to the temperature anomaly of the yield stress in single crystals of the Ni$_3$Ge alloy

Yu. A. Abzaev

Tomsk State University of Architecture and Engineering, Tomsk, 634003
Full-text PDF (233 kB)
Abstract: The temperature dependence of the yield stress $\tau_*$ Ni$_3$Ge single crystals is studied. The temperature dependence $\tau_*(T)$ in the high-temperature region (above 420 K) is found to be conditioned by thermally activated accumulation of the density of non-screw components of superdislocations. Interaction of point defects with edge dislocations and its effect on the temperature anomaly of the yield stress in Ni$_3$Ge single crystals are analyzed. The calculated results are found to agree with experimental data.
Keywords: yield stress, thermal hardening, edge superdislocations, point defects, superstructure $L1_2$.
Received: 13.06.2006
English version:
Journal of Applied Mechanics and Technical Physics, 2007, Volume 48, Issue 4, Pages 599–604
DOI: https://doi.org/10.1007/s10808-007-0075-y
Bibliographic databases:
Document Type: Article
UDC: 539.4.015
Language: Russian
Citation: Yu. A. Abzaev, “Contribution of point defects to the temperature anomaly of the yield stress in single crystals of the Ni$_3$Ge alloy”, Prikl. Mekh. Tekh. Fiz., 48:4 (2007), 154–161; J. Appl. Mech. Tech. Phys., 48:4 (2007), 599–604
Citation in format AMSBIB
\Bibitem{Abz07}
\by Yu.~A.~Abzaev
\paper Contribution of point defects to the temperature anomaly of the yield stress in single crystals of the Ni$_3$Ge alloy
\jour Prikl. Mekh. Tekh. Fiz.
\yr 2007
\vol 48
\issue 4
\pages 154--161
\mathnet{http://mi.mathnet.ru/pmtf2063}
\elib{https://elibrary.ru/item.asp?id=19041416}
\transl
\jour J. Appl. Mech. Tech. Phys.
\yr 2007
\vol 48
\issue 4
\pages 599--604
\crossref{https://doi.org/10.1007/s10808-007-0075-y}
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