Rapid growth of tin whiskers on the surface of Sn–6.6Lu alloy

Rapid growth of tin whiskers on the surface of Sn–6.6Lu alloy

During the storage of a Sn–6.6Lu alloy in air for several days, large amounts of thread-like tin whiskers appear on the oxidized surface of Lu 4Sn 5 precipitates in this alloy. Storage at 150 °C for 30 min causes hillock-type whiskers to form. The driving force for whisker growth in this Sn–6.6Lu al...

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Veröffentlicht in:Scripta materialia 2007, Vol.56 (1), p.45-48
Hauptverfasser: Chuang, T.H., Lin, H.J., Chi, C.C.
Format: Artikel
Sprache:eng
Schlagworte:
Compressive properties
Diffusion
Driving
Hillocks
Lattices
Precipitates
Precipitation
Rare-earth element
Sn–6.6Lu
Tin
Tin base alloys
Tin whiskers
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Beschreibung
Zusammenfassung:During the storage of a Sn–6.6Lu alloy in air for several days, large amounts of thread-like tin whiskers appear on the oxidized surface of Lu 4Sn 5 precipitates in this alloy. Storage at 150 °C for 30 min causes hillock-type whiskers to form. The driving force for whisker growth in this Sn–6.6Lu alloy is the compressive stress resulting from the diffusion of oxygen into the lattice of the Lu 4Sn 5 precipitates.
ISSN:1359-6462
0956-716X
1872-8456
DOI:10.1016/j.scriptamat.2006.08.061