000014185 001__ 14185
000014185 005__ 20161115100144.0
000014185 04107 $$aeng
000014185 046__ $$k2016-08-21
000014185 100__ $$aBehdinan, Kamran
000014185 24500 $$aEffect of Mg impurities on sapphire’s strength: a multiscale simulation approach

000014185 24630 $$n24.$$p24th International Congress of Theoretical and Applied Mechanics - Book of Papers
000014185 260__ $$bInternational Union of Theoretical and Applied Mechanics, 2016
000014185 506__ $$arestricted
000014185 520__ $$2eng$$aThis paper presents a study on the effect of Mg impurities on the mechanical properties of sapphire using a multi-scale simulation approach called bridging cell method (BCM). BCM performs a finite element framework throughout the system where it decomposes the problem into atomistic, bridging and continuum domains to develop macro scale models capable of accounting for nanoscale defects within the atomistic domain. The most resistant crystal plane of sapphire, C-plane, is selected for this study, and the stress distribution and the variations of ultimate tensile strength (UTS) of the material is investigated in presence of biaxial loads at two finite temperatures of 300K and 1600K. Results showed symmetric stress distribution for the selected orientations, and the magnitude of stresses increased as the temperature elevated. However, C-plane retained most of its initial UTS at high temperatures and in presence of Mg impurities.

000014185 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000014185 653__ $$a

000014185 7112_ $$a24th International Congress of Theoretical and Applied Mechanics$$cMontreal (CA)$$d2016-08-21 / 2016-08-26$$gICTAM2016
000014185 720__ $$aBehdinan, Kamran
000014185 8560_ $$ffischerc@itam.cas.cz
000014185 8564_ $$s220790$$uhttps://invenio.itam.cas.cz/record/14185/files/PO.SM03-2.01.121.pdf$$yOriginal version of the author's contribution as presented on CD,  page 1864, code PO.SM03-2.01.121
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000014185 962__ $$r13812
000014185 980__ $$aPAPER