Compaction and elastic unloading of nanopowders in terms of granular dynamics; Technical Physics; Vol. 60, iss. 2

Compaction and elastic unloading of nanopowders in terms of granular dynamics; Technical Physics; Vol. 60, iss. 2

書誌詳細
Parent link:	Technical Physics: Scientific Journal.— , 1931- Vol. 60, iss. 2.— 2015.— [P. 252-259]
団体著者:	Национальный исследовательский Томский политехнический университет
その他の著者:	Boltachev G. Sh. Grey Shamilevich, Volkov N. B. Nikolay Borisovich, Dvilis E. S. Edgar Sergeevich, Khasanov O. L. Oleg Leonidovich
要約:	Title screen The behavior of nanopowders is simulated by a granular dynamics method. The elastic interaction of individual particles is described in terms of the rod model of contact, which is the generalization of the classical Hertz law and can be applied in the case of relatively strong particle deformation. The processes of uniaxial compression/tension in a rigid matrix are analyzed. The calculated data on the elastic properties of model systems are compared to the experimental data obtained for oxide nanopowders. The simulation of unloading (tension) makes it possible to separate the plastic irreversible part and the elastic part in the total strain of a powder body. The effect of the particle size on the elastic properties and the final density of the powder compact is studied, and the residual lateral stresses in powder compacts after the removal of an axial load and the maximum oxide nanopowder densities reached at high pressures are estimated. Режим доступа: по договору с организацией-держателем ресурса
言語:	英語
出版事項:	2015
シリーズ:	Physical Science Of Materials
主題:	электронный ресурс труды учёных ТПУ
オンライン･アクセス:	http://dx.doi.org/10.1134/S1063784215020048
フォーマット:	電子媒体図書の章
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=644071

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