Liquid phase sintering and microstructure development of Ag-clad Tl-1223 superconductor
- Resource Type
- Authors
- D.S. Kupperman; K.C. Goretta; Michael T. Lanagan; M.R. Hagen
- Source
- Superconductor Science and Technology. 9:898-904
- Subject
- Superconductivity
Materials science
Kinetics
Metals and Alloys
Sintering
Partial pressure
Condensed Matter Physics
Microstructure
Condensed Matter::Superconductivity
Phase (matter)
Materials Chemistry
Ceramics and Composites
Particle velocity
Electrical and Electronic Engineering
Composite material
Order of magnitude
- Language
- ISSN
- 1361-6668
0953-2048
The phase evolution and electrical properties of Tl-1223 tapes were explored near the incongruent melt temperature. Liquid phase evolution was monitored as a function of time and temperature by an acoustic velocity monitor. The phase development kinetics for Tl-based superconductors are more than one order of magnitude faster than the kinetics of Bi-based superconductors. Three separate powder mixtures (, and ) were used in powder-in-tube processing. Oxygen partial pressure had a significant effect on melt behaviour and microstructure development.