2012
DOI: 10.1007/s11665-012-0174-7
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Wetting of Cu and Al by Sn-Zn and Zn-Al Eutectic Alloys

Abstract: Wetting properties of Sn-Zn and Zn-Al alloys on Cu and Al substrates were studied. Spreading tests were carried out for 3 min, in air and under protective atmosphere of nitrogen, with the use of fluxes. In the case of Zn-Al eutectic, spreading tests were carried out at 460, 480, 500, and 520°C, and in the case of Sn-Zn eutectic at 250, 300, 350, 400, 450, and 500°C, respectively. Solidified solder/substrate couples were crosssectioned and subjected to microstructure examination. The spreading tests indicated t… Show more

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Cited by 56 publications
(40 citation statements)
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“…Figure 3 shows the spreading area of ZnAl + Cu alloys on the Al substrate after 15 seconds, at 773 K and 793 K (500°C and 520°C, respectively). The spreading area of ZnAl alloys with Cu is slightly higher than for eutectic ZnAl [14] at both temperatures. There was no explicit trend in the effect of the added Cu on the spreading area.…”
Section: Resultsmentioning
confidence: 76%
See 3 more Smart Citations
“…Figure 3 shows the spreading area of ZnAl + Cu alloys on the Al substrate after 15 seconds, at 773 K and 793 K (500°C and 520°C, respectively). The spreading area of ZnAl alloys with Cu is slightly higher than for eutectic ZnAl [14] at both temperatures. There was no explicit trend in the effect of the added Cu on the spreading area.…”
Section: Resultsmentioning
confidence: 76%
“…The short time used for the wetting test was dictated by the Fig. 3-Spreading area of 0.5 g liquid eutectic ZnAl [14] and ZnAl with Cu solders on Al pads after 15 s at 773 K (500°C) and 793 K (520°C), respectively. [15] and ZnAl+Cu on Cu and Al substrates after 3 min or 15 s at 773 K (500°C).…”
Section: Resultsmentioning
confidence: 99%
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“…One of the present authors (Ref 3,21) reports that three Cu-Zn intermetallic compound layers were formed at 500°C, and that the processes occurring at the solder/substrate interface can be divided into three distinct stages. The first one involves the dissolution of copper by liquid zinc, the second the crystallizations, and the third the solid-state transformations.…”
Section: Characteristics Of Cast Alloysmentioning
confidence: 80%