%0 Journal Article
%A Qu, D. D.
%A Wirtz, M.
%A Linke, J.
%A Vaßen, R.
%A Aktaa, J.
%T Thermo-mechanical response of FG tungsten/EUROFER multilayer under high thermal loads
%J Journal of nuclear materials
%V 519
%@ 0022-3115
%C Amsterdam [u.a.]
%I Elsevier Science
%M FZJ-2019-02385
%P 137 - 144
%D 2019
%X With the aim to evaluate the performance of functionally graded (FG) tungsten/EUROFER multilayer under fusion relevant transient heat loads, this study summarizes the experimental results on type-I edge localized mode (ELM)-like thermal shock exposures of a FG tungsten/EUROFER multilayer. Absorbed power densities of 0.19 and 0.38 GW/m2 with a pulse duration of 1 ms, and base temperatures of room temperature and 550 °C were chosen. We assessed the effect of variable FG-layers that consisted of three designed thicknesses and two kinds of layer numbers. The conclusion is that the introduction of FG-layers improves the thermal shock resistance. The thermal shock crack thresholds at RT and 550 °C of five multilayers lie between 0.19 and 0.38 GW/m2.
%F PUB:(DE-HGF)16
%9 Journal Article
%U <Go to ISI:>//WOS:000465088900014
%R 10.1016/j.jnucmat.2019.03.019
%U https://juser.fz-juelich.de/record/862011