Search Results - "Westerwaal, R.J."

Optical fiber sensor for the continuous monitoring of hydrogen in oil by Mak, T., Westerwaal, R.J., Slaman, M., Schreuders, H., van Vugt, A.W., Victoria, M., Boelsma, C., Dam, B.

“…We demonstrate an optical fiber based hydrogen sensor to determine the dissolved hydrogen concentration in oil. This is of special interest in the prevention…”
Get full text

Fundamentals of the adhesion of physical vapor deposited ZnMg-Zn bilayer coatings to steel substrates by Sabooni, S., Ahmadi, M., Galinmoghaddam, E., Westerwaal, R.J., Boelsma, C., Zoestbergen, E., Song, G.M., Pei, Y.T.

“…In the present study, ZnMg-Zn bilayer coatings with different Mg concentrations and layer thicknesses are deposited on steel substrates by a thermal…”
Get full text

Nanostructured Pd–Au based fiber optic sensors for probing hydrogen concentrations in gas mixtures by Westerwaal, R.J., Rooijmans, J.S.A., Leclercq, L., Gheorghe, D.G., Radeva, T., Mooij, L., Mak, T., Polak, L., Slaman, M., Dam, B., Rasing, Th

“…We demonstrate that with a thin film based fiber optic sensor it is possible to quantitatively determine the hydrogen concentration over a wide pressure range…”
Get full text

Microstructure and adhesion strength quantification of PVD bi-layered ZnMg-Zn coatings on DP800 steel by Sabooni, S., Galinmoghaddam, E., Ahmadi, M., Westerwaal, R.J., van de Langkruis, J., Zoestbergen, E., De Hosson, J.Th.M., Pei, Y.T.

“…In this study, ZnMg-Zn bi-layered coatings with different Mg contents, a single layer ZnMg coating and a pure zinc coating are deposited on steel substrates by…”
Get full text

Tailoring vapor-deposited ZnMg–Zn bilayer coating for steels by diffusion-driven phase transformation by Sabooni, S., Galinmoghaddam, E., Turkin, A.A., Lu, L.Q., Westerwaal, R.J., Boelsma, C., Zoestbergen, E., Pei, Y.T.

“…This study reports a “high temperature fast annealing” approach to tailor the microstructure of ZnMg–Zn bilayer coatings through a diffusion-driven phase…”
Get full text

Fiber optic hydrogen sensor for a continuously monitoring of the partial hydrogen pressure in the natural gas grid by Westerwaal, R.J., Gersen, S., Ngene, P., Darmeveil, H., Schreuders, H., Middelkoop, J., Dam, B.

“…The development of reliable hydrogen sensors will facilitate the introduction of hydrogen to the natural gas infrastructure. One of the most promising…”
Get full text

Thin film based sensors for a continuous monitoring of hydrogen concentrations by Westerwaal, R.J., Duim, N., Nieuwenhuijse, I., Perrotton, C., Dabirian, A., van Leeuwen, J.M., Palmisano, V., Dam, B.

“…The transition toward a more sustainable energy infrastructure is inextricably connected to the development of reliable hydrogen sensors. One of the most…”
Get full text

Study of the hydride forming process of in-situ grown MgH2 thin films by activated reactive evaporation by Westerwaal, R.J., Broedersz, C.P., Gremaud, R., Slaman, M., Borgschulte, A., Lohstroh, W., Tschersich, K.G., Fleischhauer, H.P., Dam, B., Griessen, R.

Get full text

High throughput screening of Pd-alloys for H2 separation membranes studied by hydrogenography and CVM by WESTERWAAL, R. J, DEN BESTEN, C, SLAMAN, M, DAM, B, NANU, D. E, BÖTTGER, A. J, HAIJE, W. G

Get full text

The dielectric function of Mgy NiHx thin films () by Lohstroh, W., Westerwaal, R.J., van Mechelen, J.L.M., Schreuders, H., Dam, B., Griessen, R.

“…Mgy Ni (2 < =y < =10) thin films covered with a Pd cap layer are hydrogenated in 105 Pa H2 between room temperature and 80 deg C and their dielectric function…”
Get full text

Combinatorial method for the development of a catalyst promoting hydrogen uptake by Borgschulte, A., Lohstroh, W., Westerwaal, R.J., Schreuders, H., Rector, J.H., Dam, B., Griessen, R.

“…A novel optical technique to measure catalytic activity for hydrogen sorption is presented. The catalytic activity of the noble metals of Pd, Ni, Cu and Ag is…”
Get full text

New insight into the loss of adhesion of ZnMg Zn bi-layered coatings on steel substrates by Sabooni, S., Galinmoghaddam, E., Cao, H.T., Westerwaal, R.J., Zoestbergen, E., De Hosson, J.Th.M., Pei, Y.T.

Get full text

New insight into the loss of adhesion of ZnMgZn bi-layered coatings on steel substrates by Sabooni, S., Galinmoghaddam, E., Cao, H.T., Westerwaal, R.J., Zoestbergen, E., De Hosson, J.Th.M., Pei, Y.T.

“…In this research, physically vapor deposited MgZn and ZnMgZn bi-layered coatings were annealed at 180 °C for different annealing times to study the origin of…”
Get full text

Optical hydrogen sensing with nanoparticulate Pd–Au films produced by spark ablation by Isaac, N.A., Ngene, P., Westerwaal, R.J., Gaury, J., Dam, B., Schmidt-Ott, A., Biskos, G.

“…We have produced nanoparticulate Pd–Au (88–12at.%) thin films using, for the first time, spark ablation and inertial deposition on glass substrates. Films…”
Get full text

The hydrogen permeability of Pd–Cu based thin film membranes in relation to their structure: A combinatorial approach by Westerwaal, R.J., Bouman, E.A., Haije, W.G., Schreuders, H., Dutta, S., Wu, M.Y., Boelsma, C., Ngene, P., Basak, S., Dam, B.

“…Pd–Cu is a well-known alloy for H2 separation membranes. Using a new optical combinatorial method we determined the H2 permeability of Pd–Cu alloys at room…”
Get full text

High throughput screening of Pd-alloys for H 2 separation membranes studied by hydrogenography and CVM by Westerwaal, R.J., den Besten, C., Slaman, M., Dam, B., Nanu, D.E., Böttger, A.J., Haije, W.G.

“…The search for and development of stable Pd-based membranes for hydrogen separation applications with resistance to hydrogen embrittlement and cracking is a…”
Get full text

Catalytic activity of noble metals promoting hydrogen uptake by Borgschulte, A., Westerwaal, R.J., Rector, J.H., Schreuders, H., Dam, B., Griessen, R.

“…The engineering of pure and metal alloy catalysts for hydrogen absorption is needed to improve the kinetics of hydrogen-related devices. We introduce a new…”
Get full text

High-throughput concept for tailoring switchable mirrors by Borgschulte, A., Gremaud, R., de Man, S., Westerwaal, R.J., Rector, J.H., Dam, B., Griessen, R.

“…The optical properties, the switching kinetics and the lifetime of hydrogen switchable mirrors based on Mg–Ni alloys are determined with particular regard to…”
Get full text

Study of the hydride forming process of in-situ grown MgH 2 thin films by activated reactive evaporation by Westerwaal, R.J., Broedersz, C.P., Gremaud, R., Slaman, M., Borgschulte, A., Lohstroh, W., Tschersich, K.G., Fleischhauer, H.P., Dam, B., Griessen, R.

“…MgH x thin films are grown by activated reactive evaporation in a Molecular Beam Epitaxy system fitted with an atomic hydrogen source. During deposition the…”
Get full text

The dielectric function of Mg y NiH x thin films ( 2 ≤ y ≤ 10 ) by Lohstroh, W., Westerwaal, R.J., van Mechelen, J.L.M., Schreuders, H., Dam, B., Griessen, R.

“…Mg y Ni ( 2 ≤ y ≤ 10 ) thin films covered with a Pd cap layer are hydrogenated in 1 0 5  Pa H 2 between room temperature and 80  ° C and their dielectric…”
Get full text