Graftech International Holdings Inc.

Tracy Albers

Irwin Charles Lewis

Douglas J Miller

David R Ball

One use for irradiated graphite after remediation processing is to recycle it into a new graphite artifact. Examples of such artifacts include an electrode to be used for vitrification of radionucleotides, graphite or carbon articles for uranium processing, a moderator for a HTGR, in particularly a Gen IV HTGR, other types of graphite products for nuclear facilities, charcoal filters, silicon carbide applications, etc. Such graphite artifacts can be formed with up to 20 pph of carbon black, the carbon black is formed from vitrified irradiated graphite. Optionally the graphite artifact may be formed from up to 75 pph of pitch.

Graphite article

A process for producing a graphite article having a CTE of less than about 2.0 ppm/&#xb0; C. over the temperature range of from 30&#xb0; C. to 100&#xb0; C. and an isotropy ratio of less than about 1.5 also advantageously having a thermal shock resistance parameter of greater than about 150&#xd7;10W/m in both the with-grain and against-grain directions, and the graphite so produced.

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Westlake, OH, United States of America

Tracy Albers