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Ragnvald H. Mathiesen
Ragnvald H. Mathiesen
Dept. of Physics, NTNU
Verifisert e-postadresse på ntnu.no
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In situ observations of dendritic fragmentation due to local solute-enrichment during directional solidification of an aluminum alloy
D Ruvalcaba, RH Mathiesen, DG Eskin, L Arnberg, L Katgerman
Acta Materialia 55 (13), 4287-4292, 2007
2632007
Time resolved x-ray imaging of dendritic growth in binary alloys
RH Mathiesen, L Arnberg, F Mo, T Weitkamp, A Snigirev
Physical Review Letters 83 (24), 5062, 1999
2181999
Crystal fragmentation and columnar-to-equiaxed transitions in Al-Cu studied by synchrotron X-ray video microscopy
RH Mathiesen, L Arnberg, P Bleuet, A Somogyi
Metallurgical and Materials Transactions A 37 (8), 2515-2524, 2006
1912006
X-ray radiography observations of columnar dendritic growth and constitutional undercooling in an Al–30wt% Cu alloy
RH Mathiesen, L Arnberg
Acta materialia 53 (4), 947-956, 2005
1692005
A synchrotron X-ray radiography study of dendrite fragmentation induced by a pulsed electromagnetic field in an Al–15Cu alloy
E Liotti, A Lui, R Vincent, S Kumar, Z Guo, T Connolley, IP Dolbnya, ...
Acta Materialia 70, 228-239, 2014
1662014
Microstructure evolution and mechanical behavior of a binary Al–7Mg alloy processed by equal-channel angular pressing
M Zha, Y Li, RH Mathiesen, R Bjørge, HJ Roven
Acta Materialia 84, 42-54, 2015
1612015
Time-resolved x-ray imaging of aluminum alloy solidification processes
RH Mathiesen, L Arnberg, K Ramsøskar, T Weitkamp, C Rau, A Snigirev
Metallurgical and Materials Transactions B 33 (4), 613-623, 2002
1562002
Intergranular corrosion of copper-containing AA6x xx AlMgSi aluminum alloys
MH Larsen, JC Walmsley, O Lunder, RH Mathiesen, K Nisancioglu
Journal of the Electrochemical Society 155 (11), C550, 2008
1202008
Revealing internal flow behaviour in arc welding and additive manufacturing of metals
L Aucott, H Dong, W Mirihanage, R Atwood, A Kidess, S Gao, S Wen, ...
Nature communications 9 (1), 1-7, 2018
1012018
The charge density of urea from synchrotron diffraction data
H Birkedal, D Madsen, RH Mathiesen, K Knudsen, HP Weber, P Pattison, ...
Acta Crystallographica Section A: Foundations of Crystallography 60 (5), 371-381, 2004
992004
The real-time, high-resolution X-ray video microscopy of solidification in aluminum alloys
L Arnberg, RH Mathiesen
Jom 59 (8), 20-26, 2007
922007
Heterogeneous nucleation and grain growth of inoculated aluminium alloys: An integrated study by in-situ X-radiography and numerical modelling
Y Xu, D Casari, Q Du, RH Mathiesen, L Arnberg, Y Li
Acta Materialia 140, 224-239, 2017
862017
On the interest of synchrotron X-ray imaging for the study of solidification in metallic alloys
H Nguyen-Thi, L Salvo, RH Mathiesen, L Arnberg, B Billia, M Suery, ...
Comptes Rendus Physique 13 (3), 237-245, 2012
852012
Revealing the heterogeneous nucleation behavior of equiaxed grains of inoculated Al alloys during directional solidification
Y Xu, D Casari, RH Mathiesen, Y Li
Acta Materialia 149, 312-325, 2018
632018
In situ x-ray video microscopy as a tool in solidification science
RH Mathiesen, L Arnberg, H Nguyen-Thi, B Billia
Jom 64 (1), 76-82, 2012
622012
Stray crystal formation in Al–20 wt.% Cu studied by synchrotron X-ray video microscopy
RH Mathiesen, L Arnberg
Materials Science and Engineering: A 413, 283-287, 2005
612005
L2 droplet interaction with α-Al during solidification of hypermonotectic Al–8 wt.% Bi alloys
PL Schaffer, RH Mathiesen, L Arnberg
Acta Materialia 57 (10), 2887-2895, 2009
592009
Combined in situ X-ray radiographic observations and post-solidification metallographic characterisation of eutectic transformations in Al–Cu alloy systems
AG Murphy, DJ Browne, WU Mirihanage, RH Mathiesen
Acta materialia 61 (12), 4559-4571, 2013
572013
Equiaxed dendritic solidification and grain refiner potency characterised through in situ X-radiography
AG Murphy, WU Mirihanage, DJ Browne, RH Mathiesen
Acta Materialia 95, 83-89, 2015
562015
Achieve high ductility and strength in an Al–Mg alloy by severe plastic deformation combined with inter-pass annealing
M Zha, Y Li, RH Mathiesen, R Bjørge, HJ Roven
Materials Science and Engineering: A 598, 141-146, 2014
532014
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