An overview of dynamic compaction in powder metallurgy

G Sethi, NS Myers, RM German - International Materials Reviews, 2008 - Taylor & Francis
… This paper focuses on dynamic compaction used to produce full density components, which
… routes to full density are gaining attention. This review examines dynamic compaction to …

Dynamic compaction of aluminum nanocrystals

TG Nieh, P Luo, W Nellis, D Lesuer, D Benson - Acta materialia, 1996 - Elsevier
Dynamic compaction has been performed on aluminum with … Our goal was to study the
dynamic compaction behavior of … As a result, compacted samples showed a near-full density but …

High velocity compaction compared with conventional compaction

G Sethi, E Hauck, RM German - Materials Science and …, 2006 - journals.sagepub.com
… shock waves has been demonstrated as one means to attain full density in the green state. …
Dynamic compaction involves propagation of a compressive shock wave through a powder to …

[PDF][PDF] Pressing to full density: fundamental limitations and capabilities of high density powder metallurgy

G Sethi - 2004 - researchgate.net
compaction was performed using a hydraulic press with a high pressure tool and die set.
Dynamic compaction was performed using … obtaining full density through the compaction route. …

Investigations on dynamic compaction of metal powders: Part 1: Experimental

DR Kumar, RK Kumar, PK Philip - Powder metallurgy, 2002 - journals.sagepub.com
… near full density that was free from cracks. The ongoing requirements of automobile manufactures
Compaction of powders using dynamicallyDynamic to obtain higher density with more …

On the applicability of the P-α and P-λ models to describe the dynamic compaction response of highly heterogeneous powder mixtures

DA Fredenburg, NN Thadhani - Journal of Applied Physics, 2013 - pubs.aip.org
… The mixtures were found to vary significantly in densification path and crush strength (pressures
required to reach full density), and no one model offers the best fit for all the mixtures. …

Dynamic compaction of boron carbide by a shock wave

AE Buzyurkin, EI Kraus, YL Lukyanov - AIP Conference Proceedings, 2016 - pubs.aip.org
… The compaction process has not been able to densify the powder to full density because
to insufficient pressure in the shock wave during compaction. The density of the material, …

Dynamic compaction modeling of porous silica powder

JP Borg, L Schwalbe, J Cogar, DJ Chapman… - AIP Conference …, 2006 - pubs.aip.org
… A computational analysis of the dynamic compaction of porous … materials first undergo
a compaction phase at nearzero … until the Hugoniot functions meet that of full-density silica. …

Development of the Dynamic Compaction Resistance Sintering (DCRS): A new process for powder consolidation combining electric current and dynamic loading

P Acquier, S Lemonnier, N Allain-Bonnasso… - Journal of Materials …, 2015 - Elsevier
… While the use of alumina was used here as a model ceramic material to demonstrate the
effectiveness of the DCRS process to sinter to full density a non-conductive material having …

Microstructural changes taking place during dynamic compaction of aluminium powders

DG Morris - Journal of materials science, 1986 - Springer
… Powders were pressed to a density of 60% full density and then dynamically compacted
by the impact of nylon pistons accelerated to velocities in the range 600 to 1800 m sec 1 by …