Kinetics and mechanisms of nickel metal dusting I. Kinetics and morphology |
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| Authors: | Jianqiang Zhang |
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| Affiliation: | School of Materials Science and Engineering, University of New South Wales, Sydney, NSW 2052, Australia |
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| Abstract: | ![]()
The kinetics of nickel metal dusting were investigated at different gas compositions at 680 °C. The carbon uptake rate on nickel exposed to supersaturated H2/CO/H2O gas mixtures (nominal aC = 19) increased as pCO increased from 0.31 to 0.68 atm, but decreased with further increase in pCO. This behaviour was ascribed to the existence of parallel, independent reaction paths, and the rate was well described by |
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| Keywords: | A. Nickel B. Kinetics B. Gas composition C. Metal dusting C. Graphite C. Internal precipitation |
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