Constitutive modelling of powder compaction and sintering

ACF Cocks - Progress in materials science, 2001 - Elsevier
In this paper, the current status of modelling the compaction and sintering of particulate
materials is reviewed. Recent theoretical and experimental studies are described. It is …

Simulation of multi-axial compaction of granular media from loose to high relative densities

AT Procopio, A Zavaliangos - Journal of the Mechanics and Physics of …, 2005 - Elsevier
A multi-particle finite element model (MPFEM) was used to explore the densification yield
surfaces of a collection of monosize particles in 2-D. Individual particles discretized with a …

The internal form of compacted ceramic components: a comparison of a finite element modelling with experiment

İ Aydin, BJ Briscoe, KY Şanlitürk - Powder Technology, 1996 - Elsevier
This paper is concerned with the internal form of compacted ceramic green components.
The structural inhomogeneity of alumina specimens, compressed in a top pressed …

Modelling powder compaction

C Sinka - KONA Powder and Particle Journal, 2007 - jstage.jst.go.jp
Die compaction of powders is a process which involves filling a die with powder,
compression of the powder using rigid punches to form a dense compact, and ejection from …

Densification behavior of aluminum alloy powder under cold compaction

SC Lee, KT Kim - International journal of mechanical sciences, 2002 - Elsevier
Densification behavior of aluminum alloy (Al6061) powder was investigated under cold
compaction. Experimental data were obtained under triaxial compression with various …

Constitutive equations for metal powders: application to powder forming processes

C Gu, M Kim, L Anand - International Journal of Plasticity, 2001 - Elsevier
A new constitutive model for cold compaction of metal powders is developed. The plastic
flow of metal powders at the macroscopic level is assumed to be representable as a …

The yield behaviour of metal powders

AR Akisanya, ACF Cocks, NA Fleck - International Journal of Mechanical …, 1997 - Elsevier
Copper powders have been densified by cold hydrostatic compaction and by cold closed-
die compaction. The stress versus strain relations were measured and the subsequent yield …

New Die-Compaction Equations for Powders as a Result of Known Equations Correction: Part 1–Review and Analysis of Various Die-Compaction Equations

AV Laptiev - Powders, 2024 - mdpi.com
The well-known equations for the powder compaction process (PCP) in a rigid die published
from the beginning of the last century until today were considered in this review. Most of the …

Yield behavior of metal powder assemblages

S Brown, G Abou-Chedid - Journal of the Mechanics and Physics of Solids, 1994 - Elsevier
W e present experimental data on the compaction of powder metals using two powder
systems with different powder particle morphologies. The data have been collected using …

Finite element simulation for dynamic large elastoplastic deformation in metal powder forming

AR Khoei, RW Lewis - Finite Elements in Analysis and Design, 1998 - Elsevier
In this paper, a transient dynamic analysis of the powder compaction process is simulated by
a large displacement finite element method based on a total and updated Lagrangian …