Wongpromrat, Patthranit
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Wongpromrat, Patthranit
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Email
patthranit.wo@kmitl.ac.th
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Item type:Publication, Evidence for chromium, cobalt and molybdenum volatilisations during high temperature oxidation of Co-27Cr-6Mo Alloy(2022-07-01); ; Ponpo, PhisanA Co-27Cr-6Mo alloy was oxidised in pure O<inf>2</inf> between 800 and 1000 °C for durations up to 96 h. The flow rate was varied between 2 and 5 cm.s<sup>–1</sup>. In these conditions, volatilisations of chromium, cobalt and molybdenum were observed. The chromium volatilisation values were in good agreement with calculations assuming (CrO<inf>3</inf>)g volatilisation limited by diffusion in the gas boundary layer. On the contrary, the measured flux of evaporated Co was higher than the calculated Co volatilisation flux from the metallic Co. The theoretical relation between the solid Co particle size and its vapour pressure was suggested to help explaining such difference. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Effect of water vapour on the high temperature oxidation of stainless steels(2020-01-01);