Open AccessNumerical study of hard-metal powder compaction
Author(s) -
L. R. Akhmetshin,
I. Yu. Smolin,
S. P. Buyakova
Publication year - 2021
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/1093/1/012002
Subject(s) - compaction , powder metallurgy , materials science , metal powder , die (integrated circuit) , volume (thermodynamics) , deformation (meteorology) , composite material , metallurgy , constitutive equation , relative density , metal , finite element method , microstructure , structural engineering , engineering , nanotechnology , thermodynamics , physics
Powder compacting is a widely used process for both metallurgy and pharmaceutical production. The mathematical simulation of the powder compaction process is a promising tool for its study. The compacting of WC/Co powder by a punch in a cylindrical die is simulated in this work. The use of the Drucker-Prager Cap constitutive model is made. Results on stress distribution and volume plastic deformation during compaction are obtained. Relative density distribution in the powder compact can also be estimated from volume plastic strain. The severe influence of frictional contact between powder and die wall on the results is noted.