American Journal of Physics and Applications

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Volume 8, Issue 4, July 2020

  • Mathematical Modeling of Failure and Deformation Processes in Metal Alloys and Composites

    Mark Petrov

    Issue: Volume 8, Issue 4, July 2020
    Pages: 46-55
    Received: 13 May 2020
    Accepted: 3 July 2020
    Published: 17 July 2020
    DOI: 10.11648/j.ajpa.20200804.11
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    Abstract: Based on experimental examples, the strength characteristics of metal alloys and composites under tensile and compressive loads are considered to demonstrate both their similarity and difference. Under tensile loads, their behavior is essentially the same. Under compressive loads, the composite shows different properties, but similar to the behavio... Show More
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  • Sub-barrier and Above-barrier Electron Transport Through Multilayer Semiconductors

    Voxob Rustamovich Rasulov, Rustam Yavkachovich Rasulov, Iqboljon Mamirjonovich Eshboltayev, Ravshan Rustamovich Sultanov

    Issue: Volume 8, Issue 4, July 2020
    Pages: 56-63
    Received: 24 July 2019
    Accepted: 13 December 2019
    Published: 16 September 2020
    DOI: 10.11648/j.ajpa.20200804.12
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    Abstract: The transparency coefficients of the semiconductor structure consisting of alternating asymmetric potential barriers and wells are calculated, where taken into account the Bastard condition. It is shown that both in the above-barrier and over barrier passage of electrons, tunneling oscillations arise. The amplitude, in this case, is determined not ... Show More
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