Numerical Simulation of the Shock Compaction of W/Cu Powders

Abstract:

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.

• Periodical: Materials Science Forum (Volume 673)
• Pages: 113-118
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.673.113
• Online since: January 2011
• Authors: Kai Da Dai, Peng Wan Chen
• Keywords: Micromechanical Model, Numerical Simulation, Shock Compaction, W/Cu Powders

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