Showing papers by "Jan D'Haen published in 1999"

TL;DR: In this paper, a generalized Wagner diffusion model is used to analyze the layer formation and growth in definite experiments on plasma nitriding of pure iron, and it is demonstrated that the model is able to predict the compound layer composition and can be used as a method for calculation of the effective diffusion coefficients in the first sub-layer of the compound zone, providing that the concentration ranges and the active diffusion coefficients of the nitrogen in the other sub-layers, as well as the total compound layer thickness as a function of time, are known.

TL;DR: In this paper, the influence of replacing Cu by Ni or Co on the structural and superconducting properties of YBa 2 Cu 4 O 8 is studied by means of XRD, TGA, SEM, EDX and resistivity measurements.

TL;DR: In this paper, the power of the in-situ SEM resistance measurement technique is shown with the first results on Al1.%Si0.5wt.%Cu metal lines.