Abstract
AbstractThis paper describes the results of surface tension measurements of liquid iron. and iron-oxygen alloys by the oscillating droplet method using the levitation technique.The data are compared to those obtained by the sessile drop method, the technique most frequently employed for surface tension measurements of liquid metals. It has. become apparent that the values generated by the sessile drop method are lower than those of the oscillating droplet technique. The discrepancy is attributable to sample contamination from the reduction of silica present in sessile drop reaction tubes.From the surface tension data, details of the oxygen adsorption layer are developed. It has been concluded that the adsorbed layer at saturation is composed of a simple two-dimensional FeO compound which has a NaCl-type structure. Resume Des resultats concernant les valeurs de la tension superficielle du fer liquide et des alliages feroxygene ont ete obtenus par la methode de la gouttelette oscillante realisee a l'aide de...
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