Knafo, W., Meingast, C., Sakarya, S., Van Dijk, N.H., Huang, Y., Rakoto, H., ...
Journal of the Physical Society of Japan, 78(2009) S.043707/1-4
Knafo, W., Meingast, C., Sakarya, S., Van Dijk, N. H., Huang, Y., Rakoto, H., ...
The weak itinerant ferromagnet UIr is studied by magnetization and magnetostriction measurements. Critical behavior, which surprisingly extends up to several Tesla, is observed at the Curie...
Evolution of ferromagnetic order in URhGe alloyed with Ru, Co and Si. (2008)
Sakarya, S., Huy, N. T., Van Dijk, N. H., De Visser, A., Wagemaker, M., Moleman, A. C., ...
Journal of Alloys and Compounds, 457(2008) S.51-56
Evidence for a ferromagnetic quantum critical point in URhGe doped with Ru (2007)
Huy, N. T., De Nijs, D. E., Gasparini, A., Klaasse, J. C. P., De Visser, A., Van Dijk, N. H.
We have investigated the evolution of ferromagnetic order in the correlated metal series URh_{1-x}Ru_{x}Ge. Magnetization, transport and specific heat measurements provide convincing evidence for a...
Ferromagnetic quantum critical point in URhGe doped with Ru (2007)
Huy, N. T., Gasparini, A., Klaasse, J. C. P., De Visser, A., Sakarya, S., Van Dijk, N. H.
We have investigated the thermal, transport and magnetic properties of URh$_{1-x}$Ru$_x$Ge alloys near the critical concentration $x_{cr} = 0.38$ for the suppression of ferromagnetic order. The Curie...
Ferromagnetic quantum critical point in URhGe doped with Ru (2007)
Huy, N.T., Gasparini, A., Klaasse, J.C.P., De Visser, A., Sakarya, S., Van Dijk, N.H.
Evolution of ferromagnetic order in URhGe alloyed with Ru, Co and Si (2006)
Sakarya, S., Huy, N. T., Van Dijk, N. H., De Visser, A., Klaasse, J. C. P., Wagemaker, M., ...
We have investigated the evolution of ferromagnetic order in the correlated metal URhGe (Curie temperature $T_{\rm C} = $9.5 K) by chemical substitution of Ru, Co and Si. Polycrystalline samples...
Discussion to: Grain nucleation and growth during phase transformations. Authors' reply (2004)
Aaronson, H.I., Purdy, G.R., Offerman, S.E., Van Dijk, N.H., Sietsma, J., ...
Offerman, S.E., Van Dijk, N.H., Sietsma, J., Lauridsen, E.M., Margulies, L., ...
This paper is written as a reaction to the discussion by Aaronson et al. on our conclusion that the activation energy for ferrite nucleation during the austenite decomposition in medium carbon steel...
Offerman, S.E., Van Dijk, N.H., Sietsma, J., Lauridsen, E.M., Margulies, L., Grigull, S., ...
A simplified grain growth model is presented for the transition from non-overlapping to overlapping diffusion fields of growing neighboring grains during partitioning solid-state transformations in...
Van Dijk, N.H., Offerman, S.E., Klaasse, J.C.P., Sietsma, J.
The isothermal transformation kinetics of the austenite to pearlite transformation in (nearly) eutectoid steel was studied by in situ magnetisation measurements at high temperatures. In eutectoid...
Neutron depolarisation study of the austenite grain size in TRIP steels (2004)
Van Dijk, N.H., Zhao, L., Rekveldt, M.T., Fredrikze, H., Tegus, O., Brueck, E., ...
We have performed combined neutron depolarisation and magnetization measurements in order to obtain an in situ detn. of the av. grain size and vol. fraction of the retained austenite phase in TRIP...
Kruijver, S.O., Zhao, L., Sietsma, J., Offerman, S.E., Van Dijk, N.H., Lauridsen, E.M., ...
In-situ tensile deformation tests have been performed on a high Al TRIP steel (composition 0.26 wt. % Si, 1.5 wt. % Mn, and 1.8 wt. % Al) displaying the transformation-induced plasticity (TRIP)...
The mechanical stability of austenite in TRIP steel observed by 3D X-ray microdiffraction (2003)
Kruijver, S.O., Zhao, L., Sietsma, J., Lauridsen, E.M., Poulsen, H.F., Offerman, S.E., ...
In-situ tensile deformation tests were performed on a transformation-induced plasticity (TRIP) steel, while monitoring the martensitic transformation from retained austenite (g) to martensite (a') by...
Offerman, S.E., Van Dijk, N.H., Rekveldt, M.T., Sietsma, J., ...
Three-dimensional neutron depolarization experiments were performed to study in situ the isothermal phase transformation from austenite to pearlite in the bulk of an eutectoid steel. It is shown that...
Offerman, S.E., Van Wilderen, L., Van Dijk, N.H., Sietsma, J., Rekveldt, M.T.
The evolution of the microstructure during the isothermal austenite/pearlite transformation in a nearly eutectoid steel was studied by the three-dimensional neutron depolarization technique, which...
Ferrite/pearlite band formation in hot rolled medium carbon steel (2002)
Offerman, S.E., Van Dijk, N.H., Rekveldt, M.T., Sietsma, J.
The influence of the microsegregation of Mn, Si, and Cr on the austenite decomposition during isothermal transformations in hot rolled medium carbon steel has been studied by neutron depolarisation,...
Grain nucleation and growth during phase transformations (2002)
Offerman, S.E., Van Dijk, N.H., Sietsma, J., Grigull, S., Lauridsen, E.M., Margulies, L., ...
The mechanical properties of polycrystalline materials are largely determined by the kinetics of the phase transformations during the production process. Progress in x-ray diffraction instrumentation...
High temperature SANS experiments on Nb(C,N) and MnS precipitates in HSLA steel (2002)
Van Dijk, N.H., Offerman, S.E., Bouwman, W.G., Rekveldt, M.T., Sietsma, J., ...
The volume distribution of precipitates in high-strength low-alloy (HSLA) steels has been studied using small-angle neutron scattering (SANS) at high temperatures. Three samples with different...
SANS experiments on Nb(C, N) and MnS precipitates in HSLA steel (2002)
Van Dijk, N.H., Offerman, S.E., Bouwman, W.G., Rekveldt, M.T., Sietsma, J., ...
The size distribution of precipitates in high-strength low-alloy (HSLA) steels has been studied using small-angle neutron scattering (SANS) at high temperatures. Three samples with different niobium...
Neutron depolarization study of the austenite/pearlite phase transformation in steel (2002)
Van Wilderen, L., Offerman, S.E., Van Dijk, N.H., Rekveldt, M.T., Sietsma, J.
Three-dimensional neutron depolarization experiments have been performed to study in situ the isothermal phase transformation from austenite to pearlite in eutectoidic steel. The interaction between...
Domain size determination of granular ferromagnetic systems with neutron depolarization (2001)
Van Dijk, N.H., Rekveldt, M.T., Sietsma, J.
The depolarization of a polarized neutron beam after transmission through a granular magnetic medium is related to the size and orientation of the ferromagnetic domains. Unfortunately, this...
Zhao, L., Van Dijk, N.H., Bruck, E., Sietsma, J.
The accurate determination of the volume fraction of retained austenite is of great importance for the optimization of transformation induced plasticity (TRIP) steels. In this work, two...
3D neutron depolarization experiments on the gamma/alpha phase transformation in steel (2000)
Offerman, S.E., Van Dijk, N.H., Rekveldt, M.T., Sietsma, J.
Three-dimensional neutron depolarization experiments have been performed in order to study the isothermal phase transformation from austenite (gamma-Fe) into ferrite (alpha-Fe) in medium-carbon...
Van Dijk, N.H., Rekveldt, M.T., Sietsma, J.
A general three-dimensional model for the development of microstructure in metals by diffusion-controlled processes has been constructed. The model has been applied to the austenite (gamma-Fe) to...
Field-dependent neutron depolarization study of the ferrite formation in medium-carbon steels (2000)
Velthuis, S., Van Dijk, N.H., Rekveldt, M.T., Sietsma, J.
Neutron depolarization experiments have been performed on the ferrite and pearlite phase transformations of the medium-carbon C60 and C35 steels. The interaction of the polarized neutron beam with...
Neutron depolarization study of phase transformations in steel (1999)
Van Dijk, N.H., Rekveldt, M.T., Sietsma, J.
Three-dimensional neutron depolarization experiments have been performed in order to study the phase transformations from austenite (gamma-Fe) into ferrite (alpha-Fe) and cementite (Fe3C) in two...