Abstract
Magnetization-pressure isotherms are measured for hydrogen and sulfur dioxide on small iron particles. The hydrogen isotherms are shown to relate directly to hydrogen uptake and obey the Temkin isotherm. The bonding of hydrogen to iron surfaces at different temperatures is determined from the data and related to other work. This conclusion is that the bond type of hydrogen on iron changes as a function of temperature. The formation of two hydrogen species on iron and at defects in the iron lattice is related to anomolous hydrogen diffusion in iron and to hydrogen embrittlement. The reactions of SO2 and hydrogen on an iron surface are shown to explain the inhibiting effect SO2 has an hydrogen embrittlement.
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Formerly a Graduate Assistant at Syracuse University, is now with the Naval Research Laboratory, Washington
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Pecora, L.M., Ficalora, P.J. A magnetization-chemisorption study of hydrogen and sulfur dioxide on iron. Metall Trans A 8, 1841–1848 (1977). https://doi.org/10.1007/BF02646555
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DOI: https://doi.org/10.1007/BF02646555