Numerical Simulation of the Shock Compaction of W/Cu Powders
A numerical simulation approach is used to study the deformation and temperature distribution of W/Cu powders under shock compaction. A two-dimensional micromechanical model is employed where only a few particles are considered. The simulation is performed using plane strain element and Lagrange formulation. Shock compaction is achieved by bringing in the W/Cu powders an intense compression wave using a high-velocity rigid wall. The effects of compact velocity, particle size and friction on the particle deformation and temperature distribution are discussed based on the results of simulations. The study provides a detailed understanding of the micromechanical behavior of metal powders during shock compaction process.
S. Itoh, J.J. Yoh and K. Hokamoto
K. D. Dai and P. W. Chen, "Numerical Simulation of the Shock Compaction of W/Cu Powders", Materials Science Forum, Vol. 673, pp. 113-118, 2011