The Attack of Copper-Gold, Silver-Gold, Nickel-Copper, and Silver-Copper Alloys by Sulfur at Elevated Temperatures

1960 ◽  
Vol 107 (3) ◽  
pp. 168 ◽  
Author(s):  
Barry D. Lichter ◽  
Carl Wagner
Keyword(s):  
Elevated Temperatures ◽  
Copper Alloys ◽  
Silver Copper ◽  
Nickel Copper ◽  
Gold Silver ◽  
Copper Gold

scholarly journals I. The liquation of gold and platinum alloys

1890 ◽  
Vol 47 (286-291) ◽  
pp. 180-186 ◽  
Keyword(s):  
Copper Alloys ◽  
Gold Alloys ◽  
Silver Alloys ◽  
Platinum Alloys ◽  
Silver Copper ◽  
Gold Silver ◽  
Almost All

It is a well known fact that when molten alloys of certain metals are cooled, some of the constituents separate and become concentrated either in the centre or in the external portions of the solidified mass; to this segregation the name of liquation is given. It is specially noticeable in the case of silver-copper alloys, and its importance is now being widely recognised in almost all branches of metallurgy. In the case of gold, however, the phenomenon of liquation does not appear to have been much observed. Gold alloys, to the value of many millions sterling, pass annually from hand to hand upon the results of assays cut from the external portions of ingots, which assays cannot, of course, be trustworthy, if the centre of the bars differs in composition from the external portions. Peligot has recently endeavoured to obtain evidence of liquation in gold-copper alloys, and has concluded that it does not exist. Roberts-Austen, who has devoted much time to the study of liquation, has also satisfied himself that gold-silver alloys do not rearrange themselves on cooling.

scholarly journals The colour of gold-silver-copper alloys

Gold Bulletin ◽  
1980 ◽  
Vol 13 (3) ◽  
pp. 113-116 ◽  
Author(s):  
Randall M. German ◽  
Matthew M. Guzowski ◽  
David C. Wright
Keyword(s):  
Copper Alloys ◽  
Silver Copper ◽  
Gold Silver

On the structure of Gold-silver-copper alloys

JOM ◽  
1949 ◽  
Vol 1 (1) ◽  
pp. 46-48
Author(s):  
John G. McMullin ◽  
John T. Norton
Keyword(s):  
Copper Alloys ◽  
Silver Copper ◽  
Gold Silver

Effect of Stacking Fault Energy on Evolution of Recrystallization Textures in Drawn Wires and Rolled Sheets

2005 ◽  
Vol 495-497 ◽  
pp. 1243-1248 ◽  
Author(s):  
Dong Nyung Lee
Keyword(s):  
Copper Alloys ◽  
Deformation Texture ◽  
Stacking Fault ◽  
Stacking Fault Energy ◽  
The Other ◽  
Fcc Metals ◽  
Gold Silver ◽  
Copper Gold ◽  
Goss Orientation ◽  
The Stability

The drawing textures of aluminum, copper, gold, silver, and Cu-7.3% Al bronze wires are approximated by major <111>+minor <100>, except silver wire, which can have the <100> texture at extremely high reductions. The <111> component in the drawing textures of aluminum, copper, gold, and silver transform to the <100> component after recrystallization. On the other hand, the <111> deformation texture of the Cu-7.3% Al bronze wire, which has very low stackingfault- energy, remains unchanged after recrystallization. The Brass component {110}<112> in rolling textures of high stacking-fault-energy metals such as aluminum and copper alloys changes to the Goss orientation {110}<001> after recrystallization. However, the Brass orientation in rolling textures of low stacking-fault-energy fcc metals such as brass appears to change to the {236}<385> orientation after recrystallization. These results seem to be related to the stability of dislocations during annealing.

scholarly journals Determination of Oxygen in Silver-Copper and Gold-Silver-Copper Alloys by Hydrogen Reduction.

1959 ◽  
Vol 13 ◽  
pp. 2082-2088 ◽  
Author(s):  
Einar Jacobsen ◽  
Jan Rydberg ◽  
William F. Miller ◽  
Susanne Refn
Keyword(s):  
Hydrogen Reduction ◽  
Copper Alloys ◽  
Silver Copper ◽  
Gold Silver

Micro-probe Analysis and the Study of Greek Gold–Silver–Copper Alloys

Nature ◽  
1971 ◽  
Vol 231 (5303) ◽  
pp. 443-444 ◽  
Author(s):  
A. S. DARLING ◽  
J. F. HEALY
Keyword(s):  
Copper Alloys ◽  
Silver Copper ◽  
Probe Analysis ◽  
Gold Silver
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