Book chapter
Influence of Pressure Oscillation on the Compaction of Powder Mixtures Containing Soft and Hard Components
Microstructural Investigation and Analysis, pp 296-301
20 Apr 2000
Abstract
The effect of pressure cycling on the densification and ejection of Pb‐Al
2
O
3
powder‐mixtures is investigated and compared to static loading for volume fractions of Al
2
O
3
, between 0 and 80 %. The density of all mixtures increases with time under constant pressure even at room temperature. This mechanical behavior is the result of the creep of lead. This effect diminishes with increasing volume fraction of Al
2
O
3
. Pressure cycling does not have any influence on the final density of lead samples but becomes important for the mixture with Al
2
O
3
leading to higher density and strength than static pressing for the same dwell time. This effect is enhanced with increasing Al
2
O
3
percentage. The ejection force is higher after cyclic compaction at a given pressure level due to the higher density achieved.
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Details
- Title
- Influence of Pressure Oscillation on the Compaction of Powder Mixtures Containing Soft and Hard Components
- Creators
- Antonios Zavaliangos - Drexel UniversityAlexander Laptev - Donbass State Engineering Academy
- Contributors
- B Jouffrey (Editor)
- Publication Details
- Microstructural Investigation and Analysis, pp 296-301
- Publisher
- Wiley‐VCH Verlag GmbH & Co. KGaA; Weinheim, FRG
- Number of pages
- 6
- Resource Type
- Book chapter
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Other Identifier
- 991019238863904721