Effect of alloying elements on the electrification-fusion phenomenon in sn-based eutectic alloys

Gong An Lan; Truan Sheng Lui; Li Hui Chen

doi:10.1007/s11664-012-2247-7

Effect of alloying elements on the electrification-fusion phenomenon in sn-based eutectic alloys

Gong An Lan
, Truan Sheng Lui
, Li Hui Chen

Research output: Contribution to journal › Article › peer-review

Abstract

The effect of alloying elements on the electrification-fusion phenomenon in Sn-based eutectic alloys (Sn-9Zn and Sn-37Pb) under alternating current was investigated in this study. Experimental results showed that the critical fusion current densities (CFCD) of Sn-based alloys were closely related to both the conductivity of the individual phase and the eutectic temperature. While the electrical current density value required to trigger microstructural evolution for the Sn-9Zn alloy was larger than the CFCD of pure Sn (1399 A/cm ²), that for the Sn-37Pb alloy was not. Through in situ examination of the microstructural evolution during electrification-fusion tests, the initial liquation site emerged from individual Sn-based eutectic phase (i.e., the Sn/Zn eutectic phase or Sn/Pb eutectic phase); The liquation regions in the Sn/Zn eutectic phase and β-Sn phase of the Sn-9Zn alloy were not concentrated over the observation area. The liquation regions in the Sn/Pb eutectic phase and β-Sn phase of the Sn-37Pb alloy were extensively distributed over the observation area. According to the fusion distributed density at the observation area, the Sn-9Zn alloy has great potential to replace the Sn-37Pb alloy in future electrification applications.

Original language	English
Pages (from-to)	249-255
Number of pages	7
Journal	Journal of Electronic Materials
Volume	42
Issue number	2
DOIs	https://doi.org/10.1007/s11664-012-2247-7
Publication status	Published - 2013 Feb

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering
Materials Chemistry

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title = "Effect of alloying elements on the electrification-fusion phenomenon in sn-based eutectic alloys",

abstract = "The effect of alloying elements on the electrification-fusion phenomenon in Sn-based eutectic alloys (Sn-9Zn and Sn-37Pb) under alternating current was investigated in this study. Experimental results showed that the critical fusion current densities (CFCD) of Sn-based alloys were closely related to both the conductivity of the individual phase and the eutectic temperature. While the electrical current density value required to trigger microstructural evolution for the Sn-9Zn alloy was larger than the CFCD of pure Sn (1399 A/cm 2), that for the Sn-37Pb alloy was not. Through in situ examination of the microstructural evolution during electrification-fusion tests, the initial liquation site emerged from individual Sn-based eutectic phase (i.e., the Sn/Zn eutectic phase or Sn/Pb eutectic phase); The liquation regions in the Sn/Zn eutectic phase and β-Sn phase of the Sn-9Zn alloy were not concentrated over the observation area. The liquation regions in the Sn/Pb eutectic phase and β-Sn phase of the Sn-37Pb alloy were extensively distributed over the observation area. According to the fusion distributed density at the observation area, the Sn-9Zn alloy has great potential to replace the Sn-37Pb alloy in future electrification applications.",

author = "Lan, \{Gong An\} and Lui, \{Truan Sheng\} and Chen, \{Li Hui\}",

note = "Funding Information: The authors are grateful to the National Science Council of Taiwan, R.O.C. for supporting this research under Contract No. NSC 101-2221-E-006-115.",

year = "2013",

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doi = "10.1007/s11664-012-2247-7",

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AU - Lan, Gong An

AU - Lui, Truan Sheng

AU - Chen, Li Hui

N1 - Funding Information: The authors are grateful to the National Science Council of Taiwan, R.O.C. for supporting this research under Contract No. NSC 101-2221-E-006-115.

PY - 2013/2

Y1 - 2013/2

N2 - The effect of alloying elements on the electrification-fusion phenomenon in Sn-based eutectic alloys (Sn-9Zn and Sn-37Pb) under alternating current was investigated in this study. Experimental results showed that the critical fusion current densities (CFCD) of Sn-based alloys were closely related to both the conductivity of the individual phase and the eutectic temperature. While the electrical current density value required to trigger microstructural evolution for the Sn-9Zn alloy was larger than the CFCD of pure Sn (1399 A/cm 2), that for the Sn-37Pb alloy was not. Through in situ examination of the microstructural evolution during electrification-fusion tests, the initial liquation site emerged from individual Sn-based eutectic phase (i.e., the Sn/Zn eutectic phase or Sn/Pb eutectic phase); The liquation regions in the Sn/Zn eutectic phase and β-Sn phase of the Sn-9Zn alloy were not concentrated over the observation area. The liquation regions in the Sn/Pb eutectic phase and β-Sn phase of the Sn-37Pb alloy were extensively distributed over the observation area. According to the fusion distributed density at the observation area, the Sn-9Zn alloy has great potential to replace the Sn-37Pb alloy in future electrification applications.

AB - The effect of alloying elements on the electrification-fusion phenomenon in Sn-based eutectic alloys (Sn-9Zn and Sn-37Pb) under alternating current was investigated in this study. Experimental results showed that the critical fusion current densities (CFCD) of Sn-based alloys were closely related to both the conductivity of the individual phase and the eutectic temperature. While the electrical current density value required to trigger microstructural evolution for the Sn-9Zn alloy was larger than the CFCD of pure Sn (1399 A/cm 2), that for the Sn-37Pb alloy was not. Through in situ examination of the microstructural evolution during electrification-fusion tests, the initial liquation site emerged from individual Sn-based eutectic phase (i.e., the Sn/Zn eutectic phase or Sn/Pb eutectic phase); The liquation regions in the Sn/Zn eutectic phase and β-Sn phase of the Sn-9Zn alloy were not concentrated over the observation area. The liquation regions in the Sn/Pb eutectic phase and β-Sn phase of the Sn-37Pb alloy were extensively distributed over the observation area. According to the fusion distributed density at the observation area, the Sn-9Zn alloy has great potential to replace the Sn-37Pb alloy in future electrification applications.

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Effect of alloying elements on the electrification-fusion phenomenon in sn-based eutectic alloys

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