Large-scale ECOKATS experiments are performed to study spreading of an oxide melt on ceramic and concrete surfaces. The oxide melt generated by a thermite reaction was composed of 41 wt.% Al 2 O 3 , 24 wt.% FeO, 19 wt.% CaO and 16 wt.% SiO 2 . This melt was selected as the most appropriate simulation of a corium melt because of its wide freezing range of approx. 450 K. Despite a rather low liquidus temperature, the attempt to measure melt viscosity failed. As spreading of high-temperature oxide melts is nearl…
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