Reduced pO2 Melt Processing of YBa2Cu3O6+x
The melt processing of YBa2Cu3O6+x (Y123) in a reduced oxygen partial pressure has been investigated. Due to the depression of the peritectic in reduced pO2 the maximum temperature of the process cycle was 955°C. The resulting microstructure is comparable to that obtained through melt processing in air. The lower process temperature allows the use of a 90Ag/10Pd alloy sheath to contain the peritectic liquid during the texturing process and to lend additional mechanical strength to textured Y123 wires.
KeywordsCritical Current Density Transverse Cross Section Filament Wire Peritectic Temperature Metallic Inclusion
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