Which among the following cannot exist in local equilibrium with solder enriched with Bi at 200 degree Celsius?
Posted: Thu Jul 14, 2022 1:23 pm
a) Cu6Sn5
b) Cu3Sn
c) Cu9Sn5
d) CuSn7
b) Cu3Sn
c) Cu9Sn5
d) CuSn7
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