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Bei, G. (author), van der Zwaag, S. (author), Kota, Sanklap (author), Barsoum, Michel W. (author), Sloof, W.G. (author)The ultra-high temperature ablation of a polycrystalline, fully dense, predominantly single phase MoAlB ceramic discs under an oxyacetylene flame is examined. The linear ablation rate decreases from 1.3 μm/s during the first 30 s to - 0.7 μm/s after 60 s when the surface temperature reached about 2050 °C (with a flame temperature around 3000 °C)...journal article 2019