J.H. O’Connell
Nelson Mandela Metropolitan University
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Publication
Featured researches published by J.H. O’Connell.
Philosophical Magazine | 2016
Kateryna Kornieieva; V.A. Skuratov; A.S. Sohatsky; J.H. O’Connell; Yuri I. Golovin; V. V. Korenkov; J.H. Neethling
Abstract Development of oxide dispersion strengthened (ODS) steels, as candidates for fuel claddings for Gen IV nuclear reactors, requires a comprehensive study of their behaviour under operating conditions. In this work, 1.2 MeV/amu Kr and Xe irradiation was used to simulate fission fragment impact. New irradiation approaches with respect to a non-homogeneous damage profile under ion irradiation were proposed. Hardness profiles of irradiated ODS steels were obtained by continuous stiffness measurements with subsequent analysis of size effects according to the Nix–Gao model. It was found, that heavy ion irradiation leads to hardness saturation in ODS steels in a damage dose range of 0.1–1 dpa. Observed hardening is about 20% and is not connected with the radiation stability of Y–Ti–O and Y–Al–O oxide particles in ODS steels as it was studied by TEM.
Nuclear Engineering and Design | 2012
J.H. Neethling; J.H. O’Connell; E.J. Olivier
Journal of Nuclear Materials | 2014
J.H. O’Connell; J.H. Neethling
Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms | 2014
V.A. Skuratov; J.H. O’Connell; N.S. Kirilkin; J.H. Neethling
Journal of Nuclear Materials | 2013
V.A. Skuratov; V.V. Uglov; J.H. O’Connell; A.S. Sohatsky; J.H. Neethling; S.V. Rogozhkin
Journal of Nuclear Materials | 2015
V.A. Skuratov; A.S. Sohatsky; J.H. O’Connell; K. Kornieieva; A.A. Nikitina; J.H. Neethling; V.S. Ageev
Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms | 2016
J.H. O’Connell; R.A. Rymzhanov; V.A. Skuratov; A.E. Volkov; N.S. Kirilkin
Journal of Nuclear Materials | 2015
J.H. O’Connell; J.H. Neethling
Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms | 2014
J.H. O’Connell; V.A. Skuratov; A.S. Sohatsky; J.H. Neethling
Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms | 2014
V.A. Skuratov; J.H. O’Connell; A.S. Sohatsky; J.H. Neethling
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