Determining the Drucker-Prager Cap model constants using experimental, numerical and optimization for compacted Mg powders at different strain rates

K Rahmani, H Bakhtiari, H Malekmohammadi… - Physica …, 2024 - iopscience.iop.org
This article investigates an inverse approach to determine the coefficients of the Drucker-
Prager model for magnesium powder. The approach involves conducting finite element …

[HTML][HTML] Parametric dependency of a constitutive model describing solid state sintering of cemented carbides

L Rosenblad, H Staf, H Larsson, PL Larsson - Powder Technology, 2022 - Elsevier
This study focuses on an inverse modelling approach, using FEM to simulate the sintering of
WC-Co powder using a continuum model. From a previously developed constitutive model …

Inverse Identification of Drucker–Prager Cap Model for Ti-6Al-4V Powder Compaction Considering the Shear Stress State

R Li, W Liu, J Li, J Liu - Metals, 2023 - mdpi.com
Numerical simulation is an important method to investigate powder-compacting processes.
The Drucker–Prager cap constitutive model is often utilized in the numerical simulation of …

Calibration of powder constitutive model using digital image correlation validated for hollow hemisphere of lead zirconate titanate

MM Morais, CC de Melo, RB Canto, CA Fortulan - Powder Technology, 2021 - Elsevier
This paper presents the application of digital image correlation to uniaxial and diametral
compression tests to identify the Drucker-Prager/cap shear failure and the elastic …

Correlation between granule strength and green strength at compaction of cemented carbide powder materials

K Salmi, E Könberg, H Staf, PL Larsson - Journal of Materials Engineering …, 2021 - Springer
The correlation between granule strength and green strength of hard metal powders is
examined. The approach is based on experiments and numerics. In the latter case, a Design …

On the relation between pressing energy and green strength at compaction of hard metal powders

K Salmi, H Staf, PL Larsson - Journal of Materials Engineering and …, 2021 - Springer
The relation between pressing energy and green strength is examined experimentally and
numerically using a commercially available design of experiment (DOE) software, at …