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Thermo-electro-mechanical modeling, simulation and experiments of field-assisted sinteringстатья Исследовательская статья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 13 мая 2020 г.
- Авторы: Semenov A.S., Trapp J., Nöthe M., Eberhardt O., Wallmersperger T., Kieback B.
- Журнал: Journal of Materials Science
- Том: 54
- Номер: 15
- Год издания: 2019
- Издательство: Springer Nature
- Местоположение издательства: Switzerland
- Первая страница: 10764
- Последняя страница: 10783
- DOI: 10.1007/s10853-019-03653-y
- Аннотация: Contact growth and temperature behavior in time during a single high-current pulse representing the initial stage of field-assisted/spark plasma sintering (FAST/SPS) have been studied experimentally and numerically. The measured evolution of the electrical resistance and of the neck formation process in two-particle systems is compared to the results obtained from the fully coupled thermo-electro-mechanical finite element simulations. The results of simulations with various models of inelastic deformation show that the viscoelastic/viscoplastic material model provides a realistic contact growth in initial stage of FAST/SPS. The impact of electrical and mechanical loads, material parameters and particle size on temperature, on inelastic strain distribution and on densification has been studied by finite element simulations for copper, stainless steel and nickel particles.
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