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Advanced analysis of the properties of solid-wire electric contacts produced by ultrasonic welding and soldering [Elektronski vir]Logar, Andraž, strojnik ...The current article presents an advanced analysis of the properties of solid-wire electric contacts produced with ultrasonic welding and soldering. Soldering is generally used to join thin, solid ... copper wires to produce electrical contacts in small-volume production, as ultrasonic welding does not provide acceptable peel force and tensile strength due to the deformation and thinning of the wires. In this article, ultrasonic welding of thin, solid copper wires using a ring before and after a thermal shock test is discussed and compared with the standard soldering technique. The thermal shock test was carried out in the temperature range from −30 to 150 °C. Half of the samples, for both the joining techniques and the wires, were subjected to the thermal shock test; the other half were not. Investigations included electrical resistance tests, optical and SEM microscopy, XRD, microhardness measurements, peel tests, tensile tests, and fractographic analysis. The electrical resistance test, microscopy, microhardness measurements, and fracture examinations showed no differences between the thermal shock-exposed and the non-exposed samples with the same joining process. In mechanical tests, the ultrasonic joint demonstrated superior strength compared to the soldered joint.Source: Materials [Elektronski vir]. - ISSN 1996-1944 (Vol. 17, iss. 2, [article no.] 334, jan. 2024, str. 1-15)Type of material - e-article ; adult, seriousPublish date - 2024Language - englishCOBISS.SI-ID - 180397827
Author
Logar, Andraž, strojnik |
Klobčar, Damjan |
Nagode, Aleš, 1975- |
Trdan, Uroš |
Černivec, Gregor, elektrotehnik, 1979- |
Sharma, Abhay, strojnik
Topics
bakrene žice |
ultrazvočno varjenje |
spajkanje |
test termičnega šoka |
trdnost spoja |
električna prevodnost |
solid copper wires |
ultrasonic welding |
soldering |
thermal shock test |
joint strength |
electrical conductivity
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Logar, Andraž, strojnik | 52315 |
Klobčar, Damjan | 20441 |
Nagode, Aleš, 1975- | 24381 |
Trdan, Uroš | 28906 |
Černivec, Gregor, elektrotehnik, 1979- | 24317 |
Sharma, Abhay, strojnik |
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