Modeling mechanical behaviors of composites with various ratios of matrix–inclusion properties using movable cellular automaton method

Modeling mechanical behaviors of composites with various ratios of matrix–inclusion properties using movable cellular automaton method

Dettagli Bibliografici
Parent link:Defence Technology: Scientific Journal
Vol. 11, iss. 1.— 2015.— [P. 18–34]
Enti autori: Национальный исследовательский Томский политехнический университет Институт физики высоких технологий, Национальный исследовательский Томский политехнический университет Институт физики высоких технологий Кафедра физики высоких технологий в машиностроении
Altri autori: Smolin A. Yu. Alexey Yurievich, Shilko E. V. Evgeny Viktorovich, Astafurov S. V. Sergey Vladimirovich, Konovalenko I. S. Ivan Sergeevich, Buyakova S. P. Svetlana Petrovna, Psakhie S. G. Sergey Grigorievich
Riassunto:Title screen
Two classes of composite materials are considered: classical metal–ceramic composites with reinforcing hard inclusions as well as hard ceramics matrix with soft gel inclusions. Movable cellular automaton method is used for modeling the mechanical behaviors of such different heterogeneous materials. The method is based on particle approach and may be considered as a kind of discrete element method. The main feature of the method is the use of many-body forces of inter-element interaction within the formalism of simply deformable element approximation. It was shown that the strength of reinforcing particles and the width of particle-binder interphase boundaries had determining influence on the service characteristics of metal–ceramic composite. In particular, the increasing of strength of carbide inclusions may lead to significant increase in the strength and ultimate strain of composite material. On the example of porous zirconia ceramics it was shown that the change in the mechanical properties of pore surface leads to the corresponding change in effective elastic modulus and strength limit of the ceramic sample. The less is the pore size, the more is this effect. The increase in the elastic properties of pore surface of ceramics may reduce its fracture energy.
Режим доступа: по договору с организацией-держателем ресурса
Lingua:inglese
Pubblicazione: 2015
Soggetti:
электронный ресурс
труды учёных ТПУ
Accesso online:http://dx.doi.org/10.1016/j.dt.2014.08.005
Natura: Elettronico Capitolo di libro
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=650184

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