Calculating the adsorption of components of binary metal systems upon the formation of stable А
                            
                                n
                            
                            B
                            
                                m
                            -type compounds by components of the system

Sherieva, E. Kh.; Kalazhokov, Z. Kh.; Kalazhokov, Kh. Kh.; Khokonov, Kh. B.

doi:10.3103/s1062873817050197

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“…The adsorption of components of binary metal systems during the formation of stable chemical compounds of type A m B n was calculated in [9]. It was noted that the adsorption of complexes which form during chemical reactions in binary systems affects the course of the ST isotherms and the adsorption of components in the melt, which is in good agreement with the results in this work.…”

Section: Resultssupporting

confidence: 86%

“…( 5) is the equality to zero of the derivative; i.e., (6) Using Eqs. ( 5) and ( 6), we obtain the quadratic equation (7) the solution to which is (8) The nature of the change in the surface tension of our Pb-Na system shows that and In this case, (9) so root x 1 does not match condition 0 ≤ x ≤ 1. Root (10)…”

Section: Describing the Type Of Sodium Adsorption Isothermmentioning

confidence: 99%

“…It is also important to study the properties of surfaces, due to the need to optimize many technologies of practical importance: casting, tinning and brazing, metallizing, developing liquid-metal coolants for high-energy installations, and producing new alloys and composites (including ones based on lead). It is also important to know the adsorption of a component when solving many practical and theoretical problems [9]. Comprehensive study of the surface properties of such systems is therefore highly relevant.…”

Section: Introductionmentioning

confidence: 99%

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Isotherms of Density, Surface Tension, and Na Adsorption in Pb–Na Melts

Karamurzov

Kutuev

Ponezhev

et al. 2021

Bull. Russ. Acad. Sci. Phys.

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A study of the effect small additions of sodium have on the surface tension (ST) of Pb-Na binary melts reveals a sharp drop in ST in the range of 0.2-0.25 at % Na. Calculations of the sodium adsorption isotherm indicate a maximum in the same region of the composition. An explanation for this effect is proposed. It is shown that the composition of the melt at which the maximum of sodium adsorption is observed is determined by the product of coefficient of displacement γ and the exchange parameter of the surface layer of a melt with volume F. It is established that raising the temperature of the melt results in partial decomposition of quasi-molecular formations with participation of sodium, filling of the surface of the melt, and a shift in the position of adsorption maximum toward an increase in the content of sodium.

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Section: Resultssupporting

confidence: 86%

Section: Describing the Type Of Sodium Adsorption Isothermmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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