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Zhang, S. (author), Fang, H. (author), Gramsma, M. E. (author), Kwakernaak, C. (author), Sloof, W.G. (author), Tichelaar, F.D. (author), Brück, E.H. (author), van der Zwaag, S. (author), van Dijk, N.H. (author)We have investigated the autonomous repair of creep damage by site-selective precipitation in a binary Fe-Mo alloy (6.2 wt pct Mo) during constant-stress creep tests at temperatures of 813 K, 823 K, and 838 K (540 °C, 550 °C, and 565 °C). Scanning electron microscopy studies on the morphology of the creep-failed samples reveal irregularly...journal article 2016
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Zhang, S. (author), Kwakernaak, C. (author), Tichelaar, F.D. (author), Sloof, W.G. (author), Kuzmina, M. (author), Herbig, M. (author), Raabe, D. (author), Brück, E. (author), Van der Zwaag, S. (author), Van Dijk, N.H. (author)The autonomous repair mechanism of creep cavitation during high-temperature deformation has been investigated in Fe-Au and Fe-Au-B-N alloys. Combined electron-microscopy techniques and atom probe tomography reveal how the improved creep properties result from Au precipitation within the creep cavities, preferentially formed on grain boundaries...journal article 2015