Тип публикации: статья из журнала
Год издания: 2021
Идентификатор DOI: 10.1134/S0036029521010109
Ключевые слова: composite material, electrical resistivity, finite element method, finite element model, nanopowders
Аннотация: Abstract: Samples of an electrocontact composite material (CM) based on silver and reinforced with a zinc oxide nanopowder in an amount of 2–10 wt % are prepared by powder metallurgy. The microstructure of the CM samples is studied by electron microscopy and their electrical resistivity is determined. The mathematical simulation ofПоказать полностьюthe electrical resistivity was performed using the lattice model of an Ag–ZnO powder CM. To bring the structure of the finite element model to the structure of real electrocontact CM samples, which have with more complex geometry, as close as possible, we developed a program to automate the processes of constructing a finite element model of CM, applying boundary conditions, and solving and displaying results. To verify the generated CM model, we estimated the electrical resistivity of the lattice model CM for various nonconducting-component volumes in comparison with an analytical calculation and experimental results. © 2021, Pleiades Publishing, Ltd.
Журнал: Russian Metallurgy (Metally)
Выпуск журнала: Vol. 2021, Is. 1
Номера страниц: 62-67
ISSN журнала: 00360295
Издатель: Pleiades journals