CYCLIC PLASTICITY AND INTERNAL DISLOCATION STRUCTURE OF POLYCRYSTALS.

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F03%3A07033111" target="_blank" >RIV/68081723:_____/03:07033111 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
CYCLIC PLASTICITY AND INTERNAL DISLOCATION STRUCTURE OF POLYCRYSTALS.
Original language description
The cyclic plastic response of two polycrystalline materials, one with f.c.c. structure, the other with b.c.c. structure, is analyzed in terms of the general statistical theory of the hysteresis loop based on the Masing hypotheses. Simultaneously, the internal dislocation structure developed in these materials during cyclic straining is studied using transmission electron microscopy and electron diffraction. The inhomogeneous distribution of dislocations with the bands corresponding to localization of the cyclic plastic strain supports the use of the statistical theory. The analysis of the loop shape by plotting the first and the second derivative of the half-loop allows determining effective stress and the probability density function of the criticalinternal stresses.
Czech name
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Czech description
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year
2003
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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