Standard Specification for Borated Dispersion Strengthened Copper Plate, Sheet, Strip, and Rolled Bar for Nuclear Application (Withdrawn 2002)
1.1 This specification establishes the requirements for plate, sheet, strip, and rolled bar copper alloy UNS No. C15815, dispersion strengthened copper (DSC), which has been modified by the addition of natural or enriched boron for absorption of neutrons.
1.1.1 The products made to this specification are under consideration for use in storage containers for spent nuclear fuel.
Note 1- Dispersion strengthened copper is thermally stable high-strength copper which retains a high percentage of its strength at elevated temperature. In addition, it does not recrystallize or soften after exposure to high temperatures almost to the melting point of copper. Since dispersion strengthened copper uses inert aluminum oxide particles to strengthen the copper matrix, the thermal conductivity of the copper is not significantly decreased.
Note 2- Borated dispersion strengthened coppers covered by this specification, because of their particular structure and specialized properties, may require special care in their fabrication and welding.
1.2 The values stated in inch-pound units are the standard. SI units are provided for information only.
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