purple plague การใช้

Below 624癈, purple plague is replaced by Au 2 Al, a tan-colored substance.
The main compounds formed are Au 5 Al 2 ( white plague ) and AuAl 2 ( purple plague ), which both form at high temperatures.
All-aluminum systems in semiconductor fabrication eliminate the " purple plague " ( brittle gold-aluminum intermetallic compound ) sometimes associated with pure gold bonding wire.
The ongoing intermetallic reactions also cause Kirkendall effect, leading to mechanical failure of the joint, similar to the degradation of gold-aluminium bonds known as purple plague.
In 1935 Brockway wrote a science fiction novel, " Purple Plague ", in which a sea liner is quarantined for a decade as a result of a plague.