Calculation of the Mixing Entropy of Sn in a Tin-Iron Bilayer

Hai Bin Li; Qing Xue Huang; Jian Mei Wang; Hai Lian Gui; Qin Ma

doi:10.4028/www.scientific.net/AMR.472-475.543

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 472-475Calculation of the Mixing Entropy of Sn in a...

Calculation of the Mixing Entropy of Sn in a Tin-Iron Bilayer

Abstract:

Based on experimental results and theoretical analysis at different temperatures and time of unit diffusion quantity，the mixing entropy in the reaction process between iron and molten tin, is investigated within the range of 260～350°C. The mixing entropy is plotted versus the dimensional time, which showed that the difference value of it at different time was an upward trend. At different temperatures, the mixing entropy of the system increased with the temperature, tin atoms diffusing into the matrix gradually becaming greater, so as to there has been a appreciable increase in the values of mixing entropy. In addition, the mixing entropy’s increase trend becomes smoothly with the temperature increasing, and the entropy change of the system is decreasing more obvious with the temperature increasing.

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Advanced Manufacturing Technology, ICMSE 2012

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Advanced Materials Research (Volumes 472-475)

Pages:

543-546

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.472-475.543

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Online since:

February 2012

Authors:

Hai Bin Li, Qing Xue Huang, Jian Mei Wang, Hai Lian Gui, Qin Ma

Keywords:

Active Atom, Interface Reaction, Mixing Entropy, Mole Mass, Quality Fraction

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