File:Nanotwin-governed-toughening-mechanism-in-hierarchically-structured-biological-materials-ncomms10772-s4.ogv
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Nanotwin-governed-toughening-mechanism-in-hierarchically-structured-biological-materials-ncomms10772-s4.ogv (Ogg Theora video file, length 38 s, 388 × 450 pixels, 4.5 Mbps, file size: 20.25 MB)
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editDescriptionNanotwin-governed-toughening-mechanism-in-hierarchically-structured-biological-materials-ncomms10772-s4.ogv |
English: Supplementary Movie 4 Formation of nanocracks and their interaction with main crack in the conch shell. The advancing main crack was blocked frequently by the slanted TBs. While the main crack is trapped at the TBs for a while, nanocracks (marked by yellow arrows in the movie) were nucleated ahead of the main crack. The main crack propagated through repeated deflection and coalescence with the nanocracks. This observation inspired coarse-grained simulations to reveal the optimum spacing and size of nanocracks (Supplementary Method 5). The observed crack pattern is very close to one that yields the highest fracture toughness in the simulation (Supplementary Discussion 7). |
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Source | Video file from Shin Y, Yin S, Li X, Lee S, Moon S, Jeong J, Kwon M, Yoo S, Kim Y, Zhang T, Gao H, Oh S (2016). "Nanotwin-governed toughening mechanism in hierarchically structured biological materials". Nature Communications. DOI:10.1038/ncomms10772. PMID 26883846. PMC: 4757792. | ||
Author | Shin Y, Yin S, Li X, Lee S, Moon S, Jeong J, Kwon M, Yoo S, Kim Y, Zhang T, Gao H, Oh S | ||
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This file is licensed under the Creative Commons Attribution 4.0 International license.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 05:05, 29 October 2016 | 38 s, 388 × 450 (20.25 MB) | Open Access Media Importer Bot (talk | contribs) | Automatically uploaded media file from Open Access source. Please report problems or suggestions here. |
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Short title | Supplementary Movie 4 |
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Author | Shin Y, Yin S, Li X, Lee S, Moon S, Jeong J, Kwon M, Yoo S, Kim Y, Zhang T, Gao H, Oh S |
Usage terms | http://creativecommons.org/licenses/by/4.0/ |
Image title | Formation of nanocracks and their interaction with main crack in the conch shell. The advancing main crack was blocked frequently by the slanted TBs. While the main crack is trapped at the TBs for a while, nanocracks (marked by yellow arrows in the movie) were nucleated ahead of the main crack. The main crack propagated through repeated deflection and coalescence with the nanocracks. This observation inspired coarse-grained simulations to reveal the optimum spacing and size of nanocracks (Supplementary Method 5). The observed crack pattern is very close to one that yields the highest fracture toughness in the simulation (Supplementary Discussion 7). |
Software used | Xiph.Org libtheora 1.1 20090822 (Thusnelda) |
Date and time of digitizing | 2016-02-17 |