Discharge Electrode Clad Material And Discharge Electrode
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United States of America Patent
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Issued Date -
Jan 24, 2008
app pub date -
Nov 8, 2004
filing date -
Nov 13, 2003
priority date (Note) -
Abandoned
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Abstract
A discharge electrode material is provided, which enable to form a discharge electrode having a service life and discharge characteristics equivalent to those of a discharge electrode mainly composed of Nb and having excellent weldability to a support conductor, and enables to reduce material costs. The discharge electrode clad material according to the present invention includes a base layer composed of pure Ni, a Ni-based alloy mainly comprising Ni or a stainless steel, and a surface layer bonded to the base layer and composed of pure Nb or a Nb-based alloy mainly comprising Nb. The clad material preferably further includes an intermediate layer provided between the base layer and the surface layer and composed of a stainless steel. The base layer may have a strip-like shape, and the surface layer may be disposed only on a middle portion of the base layer.
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