File:Nanotwin-governed-toughening-mechanism-in-hierarchically-structured-biological-materials-ncomms10772-s2.ogv

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English: Supplementary Movie 2 In-situ TEM nanoscale CTOD measurements of single crystal aragonite. The results of two separate tests are displayed in series. The TEM movies were recorded at 25 fps and played at the same playback speed for the first movie (Aragonite A), and at 37.5 fps (1.5 faster playback speed) for the second movie (aragonite B, analyzed and presented as part of Fig. 2). The mechanical testing was conducted at a constant displacement (3 nm/s) of the FIB-machined diamond indenter along the direction. Once being initiated, the crack propagates all the way along the cleavage plane without much hindrance. During the crack propagation, deformation twins occur along the as well as the planes near the crack tip. The plot of CTOD versus crack extension is displayed in sync with the corresponding movie. After playback of each TEM movie, the TEM images taken after the test are shown to highlight the crack propagation path and also the formation of deformation twins.
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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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current05:03, 29 October 201657 s, 960 × 600 (5.29 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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