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. 2015 Mar 6;373(2036):20130157. doi: 10.1098/rsta.2013.0157

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© 2015 The Authors. Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 8. — (a) Crack-opening strain, ε_yy, profile along the crack plane (y=0) at the centre of a 15 mm thick bainitic steel CT sample at K_max (solid line) and K_min (dashed line; ΔK=28 MPa√m; R ratio=0.05) as a function of the number of cycles after a 100% overload (OL) event. (b) The same data plotted as the difference in elastic strain between K_max and K_min as a function of the number of cycles. The arrow shows the location of the extensive plastic deformation from the overload event [36]. (Online version in colour.)