Particulate Scale Multiparticle Finite Element Method Modeling on the 2D Compaction and Release of Copper Powder

Figure 5

Distribution of equivalent von Mises stress after pressure unloading: (a) 800 MPa, (b) 500 MPa, (c) 300 MPa, (d) 100 MPa, and (e)–(g) 0 MPa.