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Gold content in AuAl 2 is around 79% and can therefore be referred to as 18 karat gold. Purple gold is more brittle than other gold alloys (called the "purple plague" when it forms and causes serious faults in electronics [14]), as it is an intermetallic compound instead of a malleable alloy, and a sharp blow may cause it to shatter. [15]
(1) Gold wire (2) Purple plague (3) Copper substrate (4) Gap eroded by wire-bond (5) Aluminium contact Gold–aluminium phase diagram. Gold–aluminium intermetallic is a type of intermetallic compound of gold and aluminium that usually forms at contacts between the two metals. Gold–aluminium intermetallic have different properties from the ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 8 January 2025. Color "Gold tone" redirects here. For the type of photographic print, see Gold tone (print). For treatments that change the natural color of gold, see Colored gold. For the element, see Gold. This article needs additional citations for verification. Please help improve this article by ...
Learn about the history and meaning behind traditional Christmas colors: red, green, gold, white and purple. Experts explain their origins and significace.
Colors white and gold, related to the two metals of European heraldry (argent and or) are sorted first. The five major colors of European heraldry (black, red, green, blue, and purple) are sorted next. Miscellaneous colors (murrey, tan, grey, and pink) are sorted last.
The initial purple and gold look featured a slanted "Lakers" script and white numbers with either gold or purple drop shadows. With a few changes in the striping scheme, this look would be used by the Lakers until the 1977–78 season. The 1971–72 version of the gold uniforms were used as throwback uniforms in the 2010–11 season. However ...
The student body of the University of Washington voted to adopt the colors purple and gold as the school's official color scheme in 1896 with a specific link to Lord Byron's poem. [ 8 ] The first two lines of the poem are often alluded to in P. G. Wodehouse 's stories by Bertie Wooster . [ 9 ]
Colloidal gold is a sol or colloidal suspension of nanoparticles of gold in a fluid, usually water. [1] The colloid is coloured usually either wine red (for spherical particles less than 100 nm) or blue-purple (for larger spherical particles or nanorods). [2]