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Liu, K. (author), Sluiter, M.H.F. (author)In a material under stress, grain boundaries may give rise to stress discontinuities. The stress state at grain boundaries strongly affects microscopic processes, such as diffusion and segregation, as well as failure initiation, such as fatigue, creep, and corrosion. Here the general condition of incompatibility stress at grain boundaries is...journal article 2024
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Sagar, S. (author), Sluiter, M.H.F. (author), Dey, P. (author)Rapid developments in the field of hydrogen energy have prompted the need for safe and efficient hydrogen transportation and storage. Steels form the backbone of the current energy infrastructure and thus offer a fast and cost-effective solution. Their excellent mechanical properties are attributed to the underlying microstructure which...journal article 2024
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Dekhovich, A. (author), Tax, D.M.J. (author), Sluiter, M.H.F. (author), Bessa, M.A. (author)Current deep neural networks (DNNs) are overparameterized and use most of their neuronal connections during inference for each task. The human brain, however, developed specialized regions for different tasks and performs inference with a small fraction of its neuronal connections. We propose an iterative pruning strategy introducing a simple...journal article 2024
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Slooter, R.J. (author), Sluiter, M.H.F. (author), Kranendonk, W. G.T. (author), Bos, C. (author)Carbide nano-precipitates are commonly used to improve mechanical properties of steel. It has been experimentally observed that TiC, NbC, and VC carbide precipitates initially form as ‘plate-like’ particles oriented in the {1 0 0} planes of the ferrite lattice. These platelets share similarities with Guinier-Preston zones in Al-Cu alloys. The...journal article 2024
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Liu, K. (author), Sluiter, M.H.F. (author)In a material under stress, grain boundaries may give rise to stress discontinuities. Stress localization is crucial to materials' behavior such as segregation, precipitation, and void nucleation. Here, the stress state at a grain boundary perpendicular to a uniaxial external stress is studied systematically. The grain boundary with the most...journal article 2023
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Slooter, R.J. (author), Sluiter, M.H.F. (author), Kranendonk, W. G.T. (author), Bos, C. (author)In this study possible routes from dissolved M and C atoms to a M-C (M = Ti, Nb) cluster are studied. Using atomistic modelling to perform relaxation simulations and molecular dynamics (MD) simulations for the Fe-M-C ternary system, the formation of clusters is studied for M. Additionally the stability of M-C clusters is assessed. The...journal article 2023
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Dekhovich, A. (author), Tax, D.M.J. (author), Sluiter, M.H.F. (author), Bessa, M.A. (author)The human brain is capable of learning tasks sequentially mostly without forgetting. However, deep neural networks (DNNs) suffer from catastrophic forgetting when learning one task after another. We address this challenge considering a class-incremental learning scenario where the DNN sees test data without knowing the task from which this...journal article 2023
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Slooter, R.J. (author), Sluiter, M.H.F. (author), Kranendonk, Winfried G.T. (author), Bos, C. (author)A reference-free modified embedded atom method (RF-MEAM) potential for iron has been constructed. The new potential is made to predict both bcc and fcc (α-Fe and γ-Fe) lattice properties, with a special interest in modelling in the 800-1300 K temperature range. This is the range in which transformations and key processes in steel occur. RF...journal article 2022
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Slooter, R.J. (author), Sluiter, M.H.F. (author), Kranendonk, Winfried (author), Bos, C. (author)A new approximation to the equations describing Classical Nucleation and Growth Theories, is proposed providing quick, and intuitive insight. It gives a prediction of the mean precipitate radius and number density development under quasi-isothermal conditions. Current “mean-radius”, and “multi-class” approaches to modelling classical nucleation...journal article 2021
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Meijneke, C. (author), van Oort, G. (author), Sluiter, V. (author), van Asseldonk, E. (author), Tagliamonte, N. L. (author), Tamburella, F. (author), Pisotta, I. (author), Masciullo, M. (author), Arquilla, M. (author), Molinari, M. (author), Wu, A. R. (author), Dzeladini, F. (author), Ijspeert, A. J. (author), van der Kooij, H. (author)In this paper, we present the design, control, and preliminary evaluation of the Symbitron exoskeleton, a lower limb modular exoskeleton developed for people with a spinal cord injury. The mechanical and electrical configuration and the controller can be personalized to accommodate differences in impairments among individuals with spinal cord...journal article 2021
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Fang, C. (author), Mohammodi, V. (author), Nihtianova, S. (author), Sluiter, M.H.F. (author)A new generation of radiation detectors relies on the crystalline Si and amorphous B (c-Si/a-B) junctions that are prepared through chemical vapor deposition of diborane (B<sub>2</sub>H<sub>6</sub>) on Si at low temperature (∼400 C). The Si wafer surface is dominated by the Si{0 0 1}3 1 domains that consist of two different Si species at low...journal article 2020
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Enoki, Masanori (author), Sundman, Bo (author), Sluiter, M.H.F. (author), Selleby, Malin (author), Ohtani, Hiroshi (author)Results from DFT calculations are in many cases equivalent to experimental data. They describe a set of properties of a phase at a well-defined composition and temperature, T, most often at 0 K. In order to be practically useful in materials design, such data must be fitted to a thermodynamic model for the phase to allow interpolations and...journal article 2020
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Janssen, G.C.A.M. (author), van der Pers, N.M. (author), Hendrikx, R.W.A. (author), Bottger, A.J. (author), Kwakernaak, C. (author), Rieger, B. (author), Sluiter, M.H.F. (author)Single-crystal copper films on sapphire have recently been reported upon in relation to graphene growth on these films. In the present paper the kinetics of the formation of single crystal copper films is investigated. We demonstrate the importance of heating the sapphire substrate in 1000 hPa oxygen, followed by a fast cooling prior to...journal article 2020
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Sluiter, M.M. (author), Onasanya, A.A. (author), Oladepo, Oladimeji (author), van Engelen, J.M.L. (author), Keshinro, Myryam (author), Agbana, T.E. (author), Van, G.Y. (author), Diehl, J.C. (author)Schistosomiasis is a treatable and preventable neglected tropical disease of Public Health importance affecting over 200 million people worldwide while Nigeria is one of the high burden countries. Currently, available diagnostic tests are cumbersome, low in sensitivity and not field-adaptable given the high skills required that are not available...conference paper 2020
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Zhang, X. (author), Sluiter, M.H.F. (author)It is shown that in substitutional alloys, peculiar ordered patterns can result from neighborhood-dependent diffusion activation barriers even when there are no metastable ordered phases. Lattice gases with pure phase separation character are shown to exhibit transient ordered structures that can be retained almost indefinitely, although...journal article 2019
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Souissi, Maaouia (author), Sluiter, M.H.F. (author), Matsunaga, Tetsuya (author), Tabuchi, Masaaki (author), Mills, Michael J. (author), Sahara, Ryoji (author)The effect of mixed partial occupation of metal sites on the phase stability of the γ-Cr<sub>23-x</sub> Fe <sub>x</sub> C<sub>6</sub> (x = 0-3) carbides is explored as function of composition and temperature. Ab initio calculations combined with statistical thermodynamics approaches reveal that the site occupation of the carbides may be...journal article 2018
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Versteylen, C.D. (author), Sluiter, M.H.F. (author), van Dijk, N.H. (author)A self-consistent model is applied to predict the creep cavity growth and strain rates in metals from the perspective of self-healing. In this model, the creep cavity growth rate is intricately linked to the strain rate. The self-healing process causes precipitates to grow inside creep cavities. Due to the Kirkendall effect, a diffusional...journal article 2018
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Burton, B. P. (author), Sluiter, M.H.F. (author)First principles phase diagram calculations, that included van der Waals interactions, were performed for the bulk transition metal dichalcogenide system (1−X)·WS<sub>2</sub>−(X)·WTe<sub>2</sub>. To obtain a converged phase diagram, a series of cluster expansion calculations were performed with increasing numbers of structural energies, (N...journal article 2018
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Klaver, T.P.C. (author), Simonovic, D. (author), Sluiter, M.H.F. (author)We used the Thermo-Calc High Entropy Alloy CALPHAD database to determine the stable phases of AlCrMnNbTiV, AlCrMoNbTiV, AlCrFeTiV and AlCrMnMoTi alloys from 800 to 2800 K. The concentrations of elements were varied from 1-49 atom%. A five- or six-dimensional grid is constructed, with stable phases calculated at each grid point. Thermo-Calc...journal article 2018
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Versteylen, C.D. (author), Szymański, N. K. (author), Sluiter, M.H.F. (author), van Dijk, N.H. (author)In recently discovered self healing creep steels, open-volume creep cavities are filled by the precipitation of supersaturated solute. These creep cavities form on the grain boundaries oriented perpendicular to the applied stress. The presence of a free surface triggers a flux of solute from the matrix, over the grain boundaries towards the...journal article 2018