Search Results - "Nordlund, K"

Historical review of computer simulation of radiation effects in materials by Nordlund, K.

“…In this Article, I review the development of computer simulation techniques for studying radiation effects in materials from 1946 until 2018. These…”
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Mechanism of Radiation Damage Reduction in Equiatomic Multicomponent Single Phase Alloys by Granberg, F, Nordlund, K, Ullah, Mohammad W, Jin, K, Lu, C, Bei, H, Wang, L M, Djurabekova, F, Weber, W J, Zhang, Y

“…Recently a new class of metal alloys, of single-phase multicomponent composition at roughly equal atomic concentrations ("equiatomic"), have been shown to…”
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High-energy collision cascades in tungsten: Dislocation loops structure and clustering scaling laws by Sand, A. E., Dudarev, S. L., Nordlund, K.

“…Recent experiments on in situ high-energy self-ion irradiation of tungsten (W) show the occurrence of unusual cascade damage effects resulting from single-ion…”
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Molecular dynamics simulations of high-dose damage production and defect evolution in tungsten by Granberg, F., Byggmästar, J., Nordlund, K.

“…Tungsten has been chosen as the plasma-facing wall material in fusion reactors, due to its high density and melting point. The wall material will not only be…”
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Effects of the short-range repulsive potential on cascade damage in iron by Byggmästar, J., Granberg, F., Nordlund, K.

“…Recent work has shown that the repulsive part of the interatomic potential at intermediate atomic separations strongly affects the extent and morphology of the…”
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Defect structures and statistics in overlapping cascade damage in fusion-relevant bcc metals by Sand, A.E., Byggmästar, J., Zitting, A., Nordlund, K.

“…Most experimental work on radiation damage is performed to fairly high doses, where cascade overlap effects come into play, yet atomistic simulations of the…”
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Radiation damage production in massive cascades initiated by fusion neutrons in tungsten by Sand, A E, Nordlund, K, Dudarev, S L

“…Neutrons in fusion reactors produce primary radiation damage from displacement cascades in tungsten (W) at an average PKA energy of 150 keV. We find, using…”
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Radiation damage buildup and dislocation evolution in Ni and equiatomic multicomponent Ni-based alloys by Levo, E., Granberg, F., Fridlund, C., Nordlund, K., Djurabekova, F.

“…Single-phase multicomponent alloys of equal atomic concentrations (“equiatomic”) have proven to exhibit promising mechanical and corrosion resistance…”
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Defect accumulation and evolution during prolonged irradiation of Fe and FeCr alloys by Granberg, F., Byggmästar, J., Nordlund, K.

“…The understanding of materials’ behaviour during continuous irradiation is of great interest for utilizing materials in environments where harsh radiation is…”
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Direct observation of size scaling and elastic interaction between nano-scale defects in collision cascades by Yi, X., Sand, A. E., Mason, D. R., Kirk, M. A., Roberts, S. G., Nordlund, K., Dudarev, S. L.

“…Using in situ transmission electron microscopy, we have directly observed nano-scale defects formed in ultra-high-purity tungsten by low-dose high-energy…”
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Surface effects and statistical laws of defects in primary radiation damage: Tungsten vs. iron by Sand, A. E., Aliaga, M. J., Caturla, M. J., Nordlund, K.

“…We have investigated the effect of surfaces on the statistics of primary radiation damage, comparing defect production in the bcc metals iron (Fe) and tungsten…”
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On the lower energy limit of electronic stopping in simulated collision cascades in Ni, Pd and Pt by Sand, A.E., Nordlund, K.

“…We have investigated the effect of the choice of kinetic energy threshold Tc for electronic stopping (Se) in molecular dynamics (MD) simulations of collision…”
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Slowing down of 100 keV antiprotons in Al foils by Nordlund, K.

“…Using energy degrading foils to slow down antiprotons is of interest for producing antihydrogen atoms. I consider here the slowing down of 100 keV antiprotons,…”
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Low energy sputtering of Mo surfaces by Granberg, F., Litnovsky, A., Nordlund, K.

“…Surfaces of materials subject to irradiation will be affected by sputtering, which can be a beneficial effect, like in the coating industry where a material is…”
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Loop punching and bubble rupture causing surface roughening -A model for W fuzz growth by Lasa, A., Tähtinen, S. K., Nordlund, K.

“…We develop a multi-scale computational model for studying tungsten fuzz formation under low-energy He irradiation. The molecular dynamics and kinetic Monte…”
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MD simulations of onset of tungsten fuzz formation under helium irradiation by Lasa, A., Henriksson, K.O.E., Nordlund, K.

“…When helium (He) escapes a fusion reactor plasma, a tungsten (W)-based divertor may, under some conditions, form a fuzz-like nano-morphology. This is a highly…”
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Segregation of Ni at early stages of radiation damage in NiCoFeCr solid solution alloys by Tuomisto, F., Makkonen, I., Heikinheimo, J., Granberg, F., Djurabekova, F., Nordlund, K., Velisa, G., Bei, H., Xue, H., Weber, W.J., Zhang, Y.

“…Defect evolution under irradiation is investigated in a set of single-phase concentrated solid solution alloys (SP-CSAs) containing Ni with Co, Fe and/or Cr…”
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Latent ion tracks were finally observed in diamond by Amekura, H., Chettah, A., Narumi, K., Chiba, A., Hirano, Y., Yamada, K., Yamamoto, S., Leino, A. A., Djurabekova, F., Nordlund, K., Ishikawa, N., Okubo, N., Saitoh, Y.

“…Injecting high-energy heavy ions in the electronic stopping regime into solids can create cylindrical damage zones called latent ion tracks. Although these…”
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Comparison of empirical interatomic potentials for iron applied to radiation damage studies by Malerba, L., Marinica, M.C., Anento, N., Björkas, C., Nguyen, H., Domain, C., Djurabekova, F., Olsson, P., Nordlund, K., Serra, A., Terentyev, D., Willaime, F., Becquart, C.S.

“…The performance of four recent semi-empirical interatomic potentials for iron, developed or used within the FP6 Perfect Project, is evaluated by comparing them…”
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Cascade debris overlap mechanism of 〈100〉 dislocation loop formation in Fe and FeCr by Granberg, F., Byggmästar, J., Sand, A. E., Nordlund, K.

“…Two types of dislocation loops are observed in irradiated α-Fe, the 1/2〈111〉 loop and the 〈100〉 loop. Atomistic simulations consistently predict that only the…”
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