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Ragnvald Mathiesen
Publications
2021
Wang, Yeqing;
Gao, Jianrong;
Chao, Paul;
Muyanja, Nancy S.;
Mathiesen, Ragnvald;
Shahani, Ashwin J..
(2021)
In-situ evidence for impurity-induced formation of eutectic colonies in an interdendritic liquid. Materials Letters.
volum 292.
Xu, Yijiang;
Deng, Yun;
Casari, Daniele;
Mathiesen, Ragnvald;
Liu, Xiangfa;
Li, Yanjun.
(2021)
Growth kinetics of primary Si particles in hypereutectic Al-Si alloys under the influence of P inoculation: Experiments and modelling. Journal of Alloys and Compounds.
volum 854.
Zha, Min;
Zhang, Hongmin;
Jia, Hailong;
Gao, Yipeng;
Jin, Shenbao;
Sha, Gang;
Bjørge, Ruben;
Mathiesen, Ragnvald;
Roven, Hans Jørgen;
Wang, Hui-Yuan;
Li, Yanjun.
(2021)
Prominent role of multi-scale microstructural heterogeneities on superplastic deformation of a high solid solution Al–7Mg alloy. International journal of plasticity.
volum 146.
2020
Feng, Shikang;
Liotti, Enzo;
Lui, Andrew;
Wilson, Matthew D.;
Connolley, Thomas;
Mathiesen, Ragnvald;
Grant, P. S..
(2020)
In-situ X-ray radiography of primary Fe-rich intermetallic compound formation. Acta Materialia.
volum 196.
Ormstrup, Jeppe;
Østergaard, Emil V.;
Detlefs, Carsten;
Mathiesen, Ragnvald;
Yildirim, Can;
Kutsal, Mustafacan;
Cook, Philip K.;
Watier, Yves;
Cosculluela, Carlos;
Simons, Hugh.
(2020)
Imaging microstructural dynamics and strain fields in electro-active materials in situ with dark field x-ray microscopy. Review of Scientific Instruments.
volum 91 (6).
Xu, Yijiang;
Deng, Yun;
Casari, Daniele;
Mathiesen, Ragnvald;
Li, Yanjun.
(2020)
In-situ X-radiographic study of nucleation and growth behaviour of primary silicon particles during solidification of a hypereutectic Al-Si alloy. Journal of Alloys and Compounds.
volum 832.
Xu, Yijiang;
Deng, Yun;
Casari, Daniele;
Mathiesen, Ragnvald;
Liu, Xiangfa;
Li, Yanjun.
(2020)
Revealing the nucleation kinetics of primary Si particles in hypereutectic Al-Si alloys under the influence of P inoculation. Journal of Materials Science.
volum 55 (32).
2019
Falch, Ken Vidar;
Detlefs, Carsten;
Christensen, Magnus Sebastian;
Paganin, David;
Mathiesen, Ragnvald.
(2019)
Experimental investigation of Gaussian random phase screen model for x-ray diffusers. Optics Express.
volum 27 (15).
Mirihanage, Wajira;
Falch, Ken Vidar;
Casari, Daniele;
McFadden, Shaun;
Browne, David J.;
Snigireva, I.;
Snigirev, Anatoly;
Li, Yanjun;
Mathiesen, Ragnvald.
(2019)
Non-steady 3D dendrite tip growth under diffusive and weakly convective conditions. Materialia.
volum 5.
Olofsson, Jakob;
Salomonsson, Kent;
Dahle, Arne K.;
Mathiesen, Ragnvald.
(2019)
Three-dimensional study of nodule clustering and heterogeneous strain localization for tailored material properties in ductile iron. IOP Conference Series: Materials Science and Engineering.
volum 529 (1).
Xu, Yijiang;
Casari, Daniele;
Mathiesen, Ragnvald;
Li, Yanjun.
(2019)
Revealing the Heterogeneous Nucleation and Growth Behaviour of Grains in Inoculated Aluminium Alloys During Solidification. The Minerals, Metals & Materials Series.
Zhang, Qiuyuan;
Polikarpov, Maxim;
Nataliya, Klimova;
Larsen, Helge Bøvik;
Mathiesen, Ragnvald;
Emerich, Hermann;
Thorkildsen, Gunnar;
Snigireva, Irina;
Snigirev, Anatoly.
(2019)
Investigation of glitches induced by single-crystal diamond compound refractive lenses based on crystal orientation. AIP Conference Proceedings.
volum 2054 (1).
2018
Aucott, Lee;
Dong, Hongbiao;
Mirihanage, Wajira;
Atwood, Robert;
Kidess, Anton;
Gao, Shian;
Wen, Shuwen;
Marsden, John;
Feng, Shuo;
Tong, Mingming;
Connolley, Thomas;
Drakopoulos, Michael;
Kleijn, Chris R.;
Richardson, Ian M.;
Browne, David J.;
Mathiesen, Ragnvald;
Atkinson, Helen V..
(2018)
Revealing internal flow behaviour in arc welding and additive manufacturing of metals. Nature Communications.
volum 9.
Falch, Ken Vidar;
Detlefs, Carsten;
Snigirev, Anatoly;
Mathiesen, Ragnvald.
(2018)
Analytical transmission cross-coefficients for pink beam X-ray microscopy based on compound refractive lenses. Ultramicroscopy.
volum 184 (B).
Falch, Ken Vidar;
Lyubormiskiy, Mikhail;
Casari, Daniele;
Snigirev, Anatoly;
Snigireva, Irina;
Detlefs, Carsten;
Di Michiel, Marco;
Lyatun, Ivan;
Mathiesen, Ragnvald.
(2018)
Zernike phase contrast in high-energy x-ray transmission microscopy based on refractive optics. Ultramicroscopy.
volum 184 (A).
Xu, Yijiang;
Casari, Daniele;
Mathiesen, Ragnvald;
Li, Yanjun.
(2018)
Revealing the heterogeneous nucleation behavior of equiaxed grains of inoculated Al alloys during directional solidification. Acta Materialia.
volum 149.
Zha, Min;
Yu, Zhi-Yuan;
Qian, Feng;
Wang, Huiyuan;
Li, Yanjun;
Mathiesen, Ragnvald;
Roven, Hans Jørgen.
(2018)
Achieving dispersed fine soft Bi particles and grain refinement in a hypermonotectic Al–Bi alloy by severe plastic deformation and annealing. Scripta Materialia.
volum 155.
Zhang, Qiuyuan;
Polikarpov, Maxim;
Klimova, Nataliya;
Larsen, Helge Bøvik;
Mathiesen, Ragnvald;
Emerich, Hermann;
Thorkildsen, Gunnar;
Snigireva, Irina;
Snigirev, Anatoly.
(2018)
Investigation of `glitches' in the energy spectrum induced by single-crystal diamond compound X-ray refractive lenses. Journal of Synchrotron Radiation.
volum 26.
2017
Bjurenstedt, Anton;
Casari, Daniele;
Seifeddine, Salem;
Mathiesen, Ragnvald;
Dahle, Arne Kristian.
(2017)
In-situ study of morphology and growth of primary alpha-Al(FeMnCr)Si intermetallics in an Al-Si alloy. Acta Materialia.
volum 130.
Browne, David J.;
García-Moreno, Francisco;
Nguyen-Thi, Henri;
Zimmermann, Gerhard;
Kargl, Florian;
Mathiesen, Ragnvald;
Griesche, Axel;
Minster, Olivier.
(2017)
Overview of in situ X-Ray studies of light alloy solidification in microgravity. The Minerals, Metals & Materials Series.
volum Part XII.
Casari, Daniele;
Mirihanage, Wajira;
Falch, Ken Vidar;
Ringdalen, Inga Gudem;
Friis, Jesper;
Schmid-Fetzer, Rainer;
Zhao, Dongdong;
Li, Yanjun;
Sillekens, Wim H.;
Mathiesen, Ragnvald.
(2017)
Morphological transition of α-Mg dendrites during near-isothermal solidification of a Mg-Nd-Gd-Zn-Zr casting alloy. The Minerals, Metals & Materials Series.
volum Part F8.
Falch, Ken Vidar;
Casari, Daniele;
Di Michiel, Marco;
Detlefs, Carsten;
Snigirev, Anatoly;
Snigireva, Irina;
Honkimäki, Veijo;
Mathiesen, Ragnvald.
(2017)
In situ hard X-ray transmission microscopy for material science. Journal of Materials Science.
volum 52 (6).
Jia, Hailong;
Bjørge, Ruben;
Marthinsen, Knut;
Mathiesen, Ragnvald;
Li, Yanjun.
(2017)
Soft particles assisted grain refinement and strengthening of an Al-Bi-Zn alloy subjected to ECAP. Materials Science & Engineering: A.
volum 703.
Xu, Yijiang;
Casari, Daniele;
Du, Qiang;
Mathiesen, Ragnvald;
Arnberg, Lars;
Li, Yanjun.
(2017)
Heterogeneous nucleation and grain growth of inoculated aluminium alloys: An integrated study by in-situ X-radiography and numerical modelling. Acta Materialia.
volum 140.
2016
Casari, Daniele;
Mirihanage, Wajira;
Falch, Ken Vidar;
Ringdalen, Inga Gudem;
Friis, Jesper;
Schmid-Fetzer, Rainer;
Zhao, Dongdong;
Li, Yanjun;
Sillekens, Wim H.;
Mathiesen, Ragnvald.
(2016)
α-Mg primary phase formation and dendritic morphology transition in solidification of a Mg-Nd-Gd-Zn-Zr casting alloy. Acta Materialia.
volum 116.
Falch, Ken Vidar;
Detlefs, Carsten;
Di Michiel, Marco;
Snigireva, Irina;
Snigirev, Anatoly;
Mathiesen, Ragnvald.
(2016)
Correcting lateral chromatic aberrations in non-monochromatic X-ray microscopy. Applied Physics Letters.
volum 109 (5).
Mathiesen, Ragnvald.
(2016)
Det europeiske superrøntgenanlegget ESRF under oppgradering.
Fra Fysikkens Verden.
volum 78.
Murphy, A.G.;
Browne, DJ;
Houltz, Y;
Mathiesen, Ragnvald.
(2016)
In situ X-ray observations of gas porosity interactions with dendritic microstructures during solidification of Al-based alloys. IOP Conference Series: Materials Science and Engineering.
volum 117 (1).
Murphy, Andrew G.;
Mathiesen, Ragnvald;
Houltz, Ylva;
Li, J.;
Lockowandt, C;
Henriksson, K;
Melville, N;
Browne, David J..
(2016)
Direct observation of spatially isothermal equiaxed solidification of an Al–Cu alloy in microgravity onboard the MASER13 sounding rocket. Journal of Crystal Growth.
volum 454.
Murphy, Andrew G;
Mathiesen, Ragnvald;
Houltz, Ylva;
Li, J;
Lockowandt, C;
Henriksson, K.J.;
Zimmermann, Gerhard;
Browne, David J.;
Melville, N.
(2016)
XRMON-SOL: Isothermal equiaxed solidification of a grain refined Al-20 wt%Cu alloy. Journal of Crystal Growth.
volum 440.
Sillekens, W.H.;
Casari, Daniele;
Mirihanage, Wajira U.;
Terzi, S;
Mathiesen, Ragnvald;
Salvo, L;
Daudin, R;
LHUISSIER, P;
Guo, E;
Lee, P. D..
(2016)
The Use of In Situ X-ray Imaging Methods in the Research and Development of Magnesium-Based Grain-Refined and Nanocomposite Materials. JOM.
volum 68 (12).
2015
Li, Yanjun;
Xu, Yijiang;
Du, Qiang;
Arnberg, Lars;
Mathiesen, Ragnvald.
(2015)
Numerical modelling and in-situ radiographic study of the grain nucleation and growth of inoculated aluminum alloys. IOP Conference Series: Materials Science and Engineering.
volum 84 (1).
Mirihanage, Wajira;
Di Michiel, Marco;
Mathiesen, Ragnvald.
(2015)
Ultra-fast in-situ X-ray studies of evolving columnar dendrites in solidifying steel weld pools. IOP Conference Series: Materials Science and Engineering.
volum 84 (1).
Mo, Frode;
Mathiesen, Ragnvald;
Beukes, Jon Are;
Vu, Khanh Minh.
(2015)
Rochelle salt - A structural reinvestigation with improved tools. I. the high-temperature paraelectric phase at 308 - K. IUCrJ.
volum 2 (1).
Murphy, A. G.;
Mirihanage, Wajira;
Browne, DJ;
Mathiesen, Ragnvald.
(2015)
Equiaxed dendritic solidification and grain refiner potency characterised through in situ X-radiography. Acta Materialia.
volum 95.
Reiten, Andreas;
Chernyshov, Dmitry;
Mathiesen, Ragnvald.
(2015)
Nebula: Reconstruction and visualization of scattering data in reciprocal space. Journal of Applied Crystallography.
volum 48.
Zha, Min;
Li, Yanjun;
Mathiesen, Ragnvald;
Bjørge, Ruben;
Roven, Hans Jørgen.
(2015)
High ductility bulk nanostructured Al-Mg binary alloy processed by equal channel angular pressing and inter-pass annealing. Scripta Materialia.
volum 105.
Zha, Min;
Li, Yanjun;
Mathiesen, Ragnvald;
Bjørge, Ruben;
Roven, Hans Jørgen.
(2015)
Microstructure evolution and mechanical behavior of a binary Al-7Mg alloy processed by equal-channel angular pressing. Acta Materialia.
volum 84.
2014
Høydalsvik, Kristin;
Fløystad, Jostein Bø;
Zhao, Tiejun;
Esmaeili, Morteza;
Diaz, Ana;
Andreasen, Jens Wenzel;
Mathiesen, Ragnvald;
Rønning, Magnus;
Breiby, Dag Werner.
(2014)
In situ X-ray ptychography imaging of high-temperature CO2 acceptor particle agglomerates. Applied Physics Letters.
volum 104 (24).
Liotti, E;
Lui, A;
Vincent, R.;
Kumar, S;
Guo, Z;
Connolley, T;
Dolbnya, I.P.;
Hart, M;
Arnberg, Lars;
Mathiesen, Ragnvald;
Grant, P. S..
(2014)
A synchrotron X-ray radiography study of dendrite fragmentation induced by a pulsed electromagnetic field in an Al-15Cu alloy. Acta Materialia.
volum 70.
Mirihanage, Wajira;
Di Michel, Marco;
Reiten, Andreas;
Arnberg, Lars;
Dong, Hongbiao;
Mathiesen, Ragnvald.
(2014)
Time-resolved X-ray diffraction studies of solidification microstructure evolution in welding. Acta Materialia.
volum 68.
Mirihanage, Wajira;
Falch, Ken Vidar;
Snigireva, Irina;
Snigirev, A;
Li, Yanjun;
Arnberg, Lars;
Mathiesen, Ragnvald.
(2014)
Retrieval of three-dimensional spatial information from fast in situ two-dimensional synchrotron radiography of solidification microstructure evolution. Acta Materialia.
volum 81.
Nguyen-Thi, Henri;
Reinhart, Guillaume;
Salloum-Abou-Jaoudé, Georges;
Browne, David;
Murphy, Anthony G.;
Houltz, Ylva;
Li, J.;
Voss, Daniela H.;
Verga, Antonio;
Mathiesen, Ragnvald;
Zimmermann, Gerhard.
(2014)
XRMON-GF experiments devoted to the in situ X-ray radiographic observation of growth process in microgravity conditions. Microgravity, science and technology.
volum 26 (1).
Salloum-Abou-Jaoude, G;
Nguyen-Thi, H;
Reinhart, G;
Mathiesen, Ragnvald;
Zimmermann, G;
Voss, D.
(2014)
A synchrotron X-ray radiography study of dendrite fragmentation induced by a pulsed electromagnetic field in an Al–15Cu alloy.
Materials Science Forum.
volum 790-791.
Salloum-Abou-Jaoudé, Georges;
Nguyen-Thi, Henri;
Reinhart, Guillaume;
Mathiesen, Ragnvald;
Zimmermann, Gerhard;
Voss, Daniela H..
(2014)
Characterization of Motion of Dendrite Fragment by X-Ray Radiography on Earth and under Microgravity Environment. Materials Science Forum.
volum 790-791.
Zha, Min;
Li, Yanjun;
Mathiesen, Ragnvald;
Baumgart, Christine;
Roven, Hans Jørgen.
(2014)
Influence on Mg content, grain size and strain rate on mechanical properties and DSA behaviour of Al-Mg alloys processed by ECAP and annealing. Materials Science Forum.
volum 794-796.
Zha, Min;
Li, Yanjun;
Mathiesen, Ragnvald;
Bjørge, Ruben;
Roven, Hans Jørgen.
(2014)
Achieve high ductility and strength in an Al-Mg alloy by severe plastic deformation combined with inter-pass annealing. Materials Science & Engineering: A.
volum 598.
Zha, Min;
Li, Yanjun;
Mathiesen, Ragnvald;
Bjørge, Ruben;
Roven, Hans Jørgen.
(2014)
Microstructure, hardness evolution and thermal stability of binary Al-7Mg alloy processed by ECAP with intermediate annealing. Transactions of Nonferrous Metals Society of China.
volum 24 (7).
Zha, Min;
Li, Yanjun;
Mathiesen, Ragnvald;
Roven, Hans.
(2014)
Dispersion of soft Bi particles and grain refinement of matrix in an Al-Bi alloy by equal channel angular pressing. Journal of Alloys and Compounds.
volum 605.
2013
Brataas, Arne;
Mathiesen, Ragnvald;
Grande, Tor;
Roven, Hans Jørgen;
Grepstad, Jostein;
Echtermeyer, Andreas;
Johnsen, Roy;
Krøkje, Åse.
(2013)
Enabling technologies at NTNU; materials science and engineering.
2013.
Liotti, E;
Lui, A;
Vincent, R.;
Kumar, S.;
Guo, Z;
Connolley, T;
Hart, M;
Arnberg, Lars;
Mathiesen, Ragnvald;
Grant, P.S..
(2013)
A Synchrotron X-ray Radiography Investigation of Induced Dendrite Fragmentation in Al-15wt%Cu. Materials Science Forum.
volum 765.
Murphy, A. G.;
Browne, DJ;
Mirihanage, Wajira;
Mathiesen, Ragnvald.
(2013)
Combined in situ X-ray radiographic observations and post-solidification metallographic characterisation of eutectic transformations in Al-Cu alloy systems. Acta Materialia.
volum 61 (12).
Nguyen-Thi, H;
Reinhart, G;
Abou Jaoude, G.S.;
Mathiesen, Ragnvald;
Zimmermann, Gerhard;
Houltz, Y;
Voss, D;
Verga, A;
Browne, DJ;
Murphy, A. G..
(2013)
XRMON-GF: A novel facility for solidification of metallic alloys with in situ and time-resolved X-ray radiographic characterization in microgravity conditions. Journal of Crystal Growth.
volum 374.
Zha, Min;
Li, Yanjun;
Mathiesen, Ragnvald;
Bjørge, Ruben;
Roven, Hans Jørgen.
(2013)
Annealing response of binary Al-7Mg alloy deformed by equal channel angular pressing. Materials Science & Engineering: A.
volum 586.
2012
Mathiesen, Ragnvald;
Arnberg, Lars;
Nguyen-Thi, H;
Billia, B.
(2012)
In situ X-ray video microscopy as a tool in solidification science. JOM.
volum 64 (1).
Mirihanage, Wajira;
Arnberg, Lars;
Mathiesen, Ragnvald.
(2012)
In-situ observation of transient columnar dendrite growth in the presence of thermo-solutal convection. IOP Conference Series: Materials Science and Engineering.
volum 33.
Nguyen-Thi, H;
Salvo, L;
Mathiesen, Ragnvald;
Arnberg, Lars;
Billia, B;
Suery, M;
Reinhart, G.
(2012)
On the interest of synchrotron X-ray imaging for the study of solidification in metallic alloys. Comptes rendus. Physique.
volum 13 (3).
2011
Anawati, Ms;
Diplas, Spyridon;
Holme, Børge;
Solberg, Jan Ketil;
Mathiesen, Ragnvald;
Walmsley, John;
Nisancioglu, Kemal.
(2011)
Surface Characterization of Heat Treated AlPbCu Model Alloys. Journal of the Electrochemical Society.
volum 158 (6).
Mathiesen, Ragnvald;
Arnberg, Lars;
Li, Yanjun;
Meier, Vivienne;
Schaffer, Paul;
Snigireva, Irina;
Snigirev, Anatoly;
Dahle, Arne Kristian.
(2011)
X-Ray Videomicroscopy Studies of Eutectic Al-Si Solidification in Al-Si-Cu. Metallurgical and Materials Transactions A.
volum 42A (1).
Nguyen-Thi, H;
Bogno, A;
Reinhart, G;
Billia, B;
Mathiesen, Ragnvald;
Zimmermann, Gerhard;
Houltz, Y;
Loth, K;
Voss, D;
Verga, A;
de Pascale, F.
(2011)
Investigation of gravity effects on solidification of binary alloys with in situ X-ray radiography on earth and in microgravity environment. Journal of Physics: Conference Series (JPCS).
volum 327 (012012).
Rakete, Christoph;
Baumbach, C;
Goldschmidt, A;
Samberg, D;
Schroer, C.G.;
Breede, F;
Stenzel, C;
Zimmermann, Gerhard;
Pickmann, C;
Houltz, Y;
Lockowandt, C;
Svenonius, O;
Wiklund, P;
Mathiesen, Ragnvald.
(2011)
Compact x-ray microradiograph for in situ imaging of solidification processes: Bringing in situ x-ray micro-imaging from the synchrotron to the laboratory. Review of Scientific Instruments.
volum 82 (10).
2010
Delaleau, Pierre Patrick;
Beckermann, Christoph;
Mathiesen, Ragnvald;
Arnberg, Lars.
(2010)
Mesoscopic Simulation of Dendritic Growth Observed in X-ray Video Microscopy During Directional Solidification of Al-Cu Alloys.
ISIJ International.
volum 50 (12).
Li, Yanjun;
Chen, Yongjun;
Walmsley, John;
Dumoulin, Stephane;
Mathiesen, Ragnvald;
Roven, Hans Jørgen.
(2010)
Faceted interfacial structure of {1011} twins in Ti formed during equal channel angular pressing. Scripta Materialia.
volum 62 (7).
Mathiesen, Ragnvald;
Arnberg, Lars;
Li, Yanjun;
Snigirev, Anatoly;
Snigireva, Irina;
Dahle, Arne Kristian.
(2010)
X-Ray Video Microscopy Studies of Irregular Eutectic Solidification Microstructures in Al-Si-Cu Alloys.
ISIJ International.
volum 50 (12).
McFadden, Shaun;
Schaffer, Paul;
Mathiesen, Ragnvald;
Browne, David.
(2010)
Analysis of an Equiaxed Dendrite Growth Model with Comparisons to In-Situ Results of Equiaxed Dendritic Growth in an Al-Ge Alloy. Materials Science Forum.
volum 654-656.
Schaffer, Paul;
Mathiesen, Ragnvald;
Arnberg, Lars.
(2010)
In situ investigations of liquid-liquid phase separation in hypermonotectic alloys. Materials Science Forum.
volum 649.
Schaffer, Paul;
Mathiesen, Ragnvald;
Arnberg, Lars.
(2010)
In-situ Investigation of Liquid-Liquid Phase Separation in Hypermonotectic Alloys. Materials Science Forum.
volum 649.
Walmsley, John;
Albertsen, Jorun Zahl;
Friis, Jesper;
Mathiesen, Ragnvald.
(2010)
The evolution and oxidation of carbides in an Alloy 601 exposed to long term high temperature corrosion conditions. Corrosion Science.
volum 52 (12).
Zimmermann, Gerhard;
Hecht, Ulrike;
Mathes, Michael;
Mathiesen, Ragnvald.
(2010)
Time resolved X-ray imaging of eutectic cellular patterns evolving during solidification of ternary Al-Cu-Ag alloys. International Journal of Materials Research - Zeitschrift für Metallkunde.
volum 101 (12).
2009
Delaleau, Pierre;
Mathiesen, Ragnvald;
Schaffer, Paul;
Arnberg, Lars.
(2009)
Impact of buoyancy on the growth of equiaxed grains in Al-Cu. International Journal of Cast Metals Research.
volum 22 (1-4).
Ruvalcaba, Demian;
Eskin, Dmitry;
Mathiesen, Ragnvald;
Arnberg, Lars;
Katgerman, Laurens.
(2009)
Influence of dendrite arrangement on coarsening during solidification of high-solute Al alloys. International Journal of Cast Metals Research.
volum 22 (1-4).
Ruvalcaba, Demian;
Mathiesen, Ragnvald;
Eskin, Dmitry;
Arnberg, Lars;
Katgerman, Laurens.
(2009)
In-situ analysis of coarsening during directional solidification experiments in high-solute aluminium alloys. Metallurgical and Materials Transactions B.
volum 40 (3).
Schaffer, Paul;
Mathiesen, Ragnvald;
Arnberg, Lars.
(2009)
L2 droplet interaction with alpha-Al during solidification of hypermonotectic Al–8 wt.% Bi alloys. Acta Materialia.
volum 57 (10).
Schaffer, Paul;
Mathiesen, Ragnvald;
Arnberg, Lars.
(2009)
Liquid decomposition, droplet coagulation and droplet-interface interactions in hypermonotectic Al-Bi alloys. Transactions of the Indian Institute of Metals.
volum 62 (4-5).
Tucho, Wakshum Mekonnen;
Venvik, Hilde Johnsen;
Walmsley, John C;
Stange, M;
Ramachandran, Amutha;
Mathiesen, Ragnvald;
Borg, Anne;
Bredesen, R;
Holmestad, Randi.
(2009)
Microstructural studies of self-supported (1.5-10 mu m) Pd/23 wt% Ag hydrogen separation membranes subjected to different heat treatments. Journal of Materials Science.
volum 44 (16).
2008
Albertsen, Jorun Zahl;
Grong, Øystein;
Walmsley, John C;
Mathiesen, Ragnvald;
Beek, W.J..
(2008)
A Model for High-Temperature Pitting Corrosion in Nickel-Based Alloys Involving Internal Precipitation of Carbides, Oxides and Graphite. Metallurgical and Materials Transactions A.
volum 39.
Forbord, Børge;
Mathiesen, Ragnvald;
Mårdalen, Jostein;
Furu, Trond;
Lange, Hans Iver.
(2008)
Elastic strain and texture evolution during tensile testing of peak-hardened Al-Mg-Si-profiles. Materials Science & Engineering: A.
volum 479 (1-2).
Larsen, Magnus Hurlen;
Walmsley, John C;
Lunder, Otto;
Mathiesen, Ragnvald;
Nisancioglu, Kemal.
(2008)
Intergranular corrosion of copper-containing AA6xxx AlMgSi aluminum alloys. Journal of the Electrochemical Society.
volum 155 (11).
Mathiesen, Ragnvald;
Arnberg, Lars.
(2008)
X-Ray Imaging of Solidification Processes and Microstructure Evolution. ASM Handbook, volume 15, Casting.
Ratke, Lorenz;
Gandin, Charles Andre;
Mathiesen, Ragnvald;
Rappaz, Michel;
Rex, Stephan.
(2008)
Materials Solidification Physics in Space. EurophysicsNews.
volum 39 (5).
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Mathiesen, Ragnvald;
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(2008)
Intergranular corrosion of copper-containing AA6xxx AlMgSi aluminum alloys. Journal of the Electrochemical Society.
volum 155 (11).
Ratke, Lorenz;
Gandin, Charles Andre;
Mathiesen, Ragnvald;
Rappaz, Michel;
Rex, Stephan.
(2008)
Materials Solidification Physics in Space. EurophysicsNews.
volum 39 (5).
Schaffer, Paul;
Mathiesen, Ragnvald;
Arnberg, Lars;
Di Sabatino, Marisa;
Snigirev, Anatoly.
(2008)
In situ investigation of spinodal decomposition in hypermonotectic Al–Bi and Al–Bi–Zn alloys. New Journal of Physics.
volum 10.
Walmsley, John C;
Sævik, Øystein;
Graver, Brit Kathrine F;
Mathiesen, Ragnvald;
Yu, Yingda;
Nisancioglu, Kemal.
(2007)
Nature of Segregated Lead on Electrochemically Active AlPb Alloy.
Journal of the Electrochemical Society.
volum 154 (1).
Mathiesen, Ragnvald;
Arnberg, Lars.
(2005)
Stray crystal formation in Al-20wt.% Cu studied by synchrotron X-ray video microscopy.
Materials Science & Engineering: A.
volum 413-414.
Thorkildsen, Gunnar;
Weckert, Edgar;
Mo, Frode;
Larsen, Helge Bøvik;
Mathiesen, Ragnvald.
(2005)
Three-beam resonant X-ray diffraction in germanium - Laue transmission cases.
Acta Crystallographica Section A: Foundations of Crystallography.
volum 61.
Birkedal, H;
Madsen, Dennis;
Mathiesen, Ragnvald;
Knudsen, K;
Weber, HP;
Pattison, P;
Schwarzenbach, D;
Mathiesen, r*.
(2004)
The charge density of urea from synchrotron diffraction data.
Acta Crystallographica Section A: Foundations of Crystallography.
volum 60.
Mathiesen, Ragnvald;
Mo, Frode;
Eikenes, Anders;
Nyborg, Tanja;
Larsen, Helge B.;
Authier, Andre.
(1998)
Existence of Two Crystal Structures of the Complex alpha-D-Glucose NaCl H_2O (2:1:1) Verified by Three-Beam Diffraction Experiments.
?.
volum A54.
Report/dissertation
Brataas, Arne;
Mathiesen, Ragnvald;
Grande, Tor;
Roven, Hans Jørgen;
Grepstad, Jostein;
Echtermeyer, Andreas;
Johnsen, Roy;
Krøkje, Åse.
(2013)
Enabling technologies at NTNU; materials science and engineering.
2013.
Part of book/report
