Reliability Examinations of SAC Lead Free Solder Material

• Autorzy: Koncz-Horváth D. , Gergely G. , Gyökér Z. , Gácsi Z.

Identyfikatory

DOI

10.24425/amm.2019.129474

• Języki publikacji: EN

Abstrakty

EN

In this paper the effect of soldering technique and thermal shock test were investigated on SAC 305 solder joints, produced by two different solder method. The solder joints were subjected to different cycle numbers up to 5000 thermal shock tests with two different thermal profiles of –30/+110°C and –40/+125°C. Microstructural properties of the tested joints were examined with the focus on intermetallic layer thickness and crack formation/propagation. Thickness of the scallop shaped Cu6Sn5 intermetallic layer was increased with increasing cycle number for both THRS and multiwave joints, but the thickening was more effective for the THRS joints. Cracks typically formed at the solder alloy/PTH barrel and the solder alloy/pin interfaces and propagated along grain boundaries and precipitations of intermetallic compound.

Słowa kluczowe

EN

SAC; thermal shock test; intermetallic layer; crack

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2019
• Tom: Vol. 64, iss. 3
• Strony: 925--930
• Opis fizyczny: Bibliogr. 26 poz., fot., rys.

Twórcy

autor

Koncz-Horváth D.

• University of Miskolc, Faculty of Materials Science and Engineering, Institute of Physical Metallurgy, Metal Forming and Nanotechnology, Hungary

autor

Gergely G.

• University of Miskolc, Faculty of Materials Science and Engineering, Institute of Physical Metallurgy, Metal Forming and Nanotechnology, Hungary

autor

Gyökér Z.

• University of Miskolc, Faculty of Materials Science and Engineering, Institute of Physical Metallurgy, Metal Forming and Nanotechnology, Hungary

autor

Gácsi Z.

• University of Miskolc, Faculty of Materials Science and Engineering, Institute of Physical Metallurgy, Metal Forming and Nanotechnology, Hungary

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Uwagi

EN

1. The described article was carried out as part of the GINOP-2.3.2-15-2016-00027 "Sustainable operation of the workshop of excellence for the research and development of crystalline and amorphous nanostructured materials” project implemented in the framework of the Szechenyi 2020 program. The realization of this project is supported by the European Union.

PL

2. Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).