| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Phase Stability, Phase Transformations, and Reactive Phase Formation in Electronic Materials XXIV
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| Presentation Title |
Liquidus and Invariant Reaction Temperatures of Sn-In-Ni-Zn Alloys |
| Author(s) |
Sinn-wen Chen, Te-wei Lin, Yung-Chun Tsai, Cheng-hsi Ho |
| On-Site Speaker (Planned) |
Sinn-wen Chen |
| Abstract Scope |
Sn-based alloys are the most commonly used electronic solders. Although liquidus and invariant reaction temperatures are important, there are only limited experimental measurements. Worse, there are significant inconsistencies among these results, whether experimental or calculated. Experimental measurements are carried out to determine the liquidus and invariant reaction temperatures of alloys of Sn-In-Ni-Zn and its constituent binary and ternary systems by using thermal analysis with pure elements as markers and by conducting holding-quenching experiments. Significant inconsistencies are observed between the experimentally determined and calculated liquidus temperatures of the Sn-Zn alloys. In the Sn-Ni and Sn-Ni-Zn systems, significant differences, ranging from tens of degrees to even over 100 degrees, are observed between those determined by calculations and those experimentally determined. There are no experimentally determined liquidus temperatures in the literature for the Sn-In-Ni and Sn-In-Ni-Zn systems. The databases of the Calphad-type calculations need to be revised based on the experimentally determined results. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Electronic Materials, Phase Transformations, |