Technique for controlling shrinkage distortion in cold-pressed annular pellets
Patent
·
OSTI ID:6355399
A process and apparatus are described for the production of annular fuel pellets comprising locating particulate fuel material in a compaction chamber having side walls, a moveable punch located opposite a fixed member and a frustoconical element having a taper of between about 0.010 to 0.015 inches/inch located in about the center of the chamber. The punch is moved toward the fixed surface to compact the particulate material. The compacted pellet is fired to produce sintered pellets having substantially straight inner side walls essentially parallel to the pellet axis.
- DOE Contract Number:
- AC11-76PN00014
- Assignee:
- ERA-08-029616; NTS-83-012043; EDB-83-094358
- Application Number:
- ON: DE83010514
- OSTI ID:
- 6355399
- Country of Publication:
- United States
- Language:
- English
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