Searched for: collection%3Air
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Zhang, S. (author), Schut, H. (author), Brück, E. (author), Van der Zwaag, S. (author), Van Dijk, N.H. (author)
The role of deformation-induced defects and carbon addition on the copper precipitation during aging at 550 oC is investigated in high-purity Fe-Cu-B-N-C alloy samples by Coincidence Doppler Broadening. In samples with 0% and 8% cold pre-strain, the influence of tensile pre-deformation on the precipitation kinetics of copper is studied. The...
journal article 2013
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He, S.M. (author), Van Dijk, N.H. (author), Schut, H. (author), Peekstok, E.R. (author), Van der Zwaag, S. (author)
We have investigated the influence of deformation-induced defects on the isothermal precipitation at 550?°C in as-quenched (solute-supersaturated) and annealed (solute-depleted) Fe-Cu and Fe-Cu-B-N alloys by positron annihilation spectroscopy and hardness tests. Using the coincidence Doppler broadening technique, the evolution of local...
journal article 2010
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He, S.M. (author), Van Dijk, N.H. (author), Paladugu, M. (author), Schut, H. (author), Kohlbrecher, J. (author), Tichelaar, F.D. (author), Van der Zwaag, S. (author)
We performed in situ time-resolved small-angle neutron scattering (SANS) measurements on high-purity Fe-Cu and Fe-Cu-B-N alloys during isothermal aging at 550 °C in order to study the potential self-healing of deformation-induced defects by nanosized Cu precipitation. Three different samples with 0%, 8%, and 24% prestrain were used to study the...
journal article 2010