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Compaction of spray-dried ceramic powders: An experimental study of the factors that control green density

Technical Report ·
DOI:https://doi.org/10.2172/125089· OSTI ID:125089
;  [1]
  1. Sandia National Labs., Albuquerque, NM (United States). Glass and Electronic Ceramics

The pressure-compaction response of a spray-dried, 94% alumina powder containing several percent of a polymeric binder was investigated as a function of die diameter and compact aspect ratio. The results show that the die fill density decreases markedly with decreasing die diameter and aspect ratio, while the final green density (at 120 MPa) decreases only slightly under the same conditions. These results suggest that the ratio of the initial compact dimensions to the size of the granules may be much more important than previously considered.

Research Organization:
Sandia National Labs., Albuquerque, NM (United States)
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
AC04-94AL85000
OSTI ID:
125089
Report Number(s):
SAND--95-2374C; CONF-951033--25; ON: DE96002087
Country of Publication:
United States
Language:
English

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