High-Temperature Electrical Materials 660662

High-temperature electrical materials presently available for application in the 500-1600 F range have been evaluated for advanced Rankine cycle systems and other high temperature applications. Magnetic materials for high saturation, low loss use include cobalt-iron and doubly oriented silicon-iron alloys. Nivco alloy (72w/o Co, 23w/o Ni and other alloying elements) has the highest creep resistance above 1000 F of all magnetic materials suitable for mechanically stressed applications.
Inorganic insulations for magnet wire, flexible sheet, interlaminar coatings, potting compounds, and rigid or molded parts are discussed.
Inconel-clad silver and clad and unclad dispersion strengthened copper electrical conductors offer the best performance in stressed and unstressed applications respectively.


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