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Powder-in-tube
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Powder-in-tube (PIT) is a process used for making electrical conductors from brittle superconducting materials such as Niobium-tin,BSCCO, or magnesium diboride.
PIT is sometimes called oxide powder in tube (OPIT).
This process is used because the high-temperature superconductors are too brittle for normal wire forming processes.
The tubes are metal, often silver. Often the tubes are heated to react the mix of powders.
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Encyclopedia
Powder-in-tube (PIT) is a process used for making electrical conductors from brittle superconducting materials such as Niobium-tin,BSCCO, or magnesium diboride.
PIT is sometimes called oxide powder in tube (OPIT).
This process is used because the high-temperature superconductors are too brittle for normal wire forming processes.
The tubes are metal, often silver. Often the tubes are heated to react the mix of powders. Once reacted the tubes are sometimes flattened to form a tape-like conductor.
Sadly YBCO does not have the weak layers required to generate adequete 'texture' (alignment) in the PIT process.
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