| About this Abstract |
| Meeting |
MS&T22: Materials Science & Technology
|
| Symposium
|
Integration between Modeling and Experiments for Crystalline Metals: From Atomistic to Macroscopic Scales IV
|
| Presentation Title |
Investigating Effects of Particles and Voids in Plastic Deformation of Al6061 Using Finite Element Simulations |
| Author(s) |
Hojun Lim, Philip Noell, Raiyan Seede, John Emery, Kyle Johnson |
| On-Site Speaker (Planned) |
Hojun Lim |
| Abstract Scope |
Effects of secondary particles and voids in plastic deformation of aluminum alloy 6061 are investigated using finite element simulations with isotropic J2 plasticity and crystal plasticity (CP) material models. Micro-computed tomography (u-CT) is used to fully construct 3D microstructure of polycrystalline Al6061, and finite element simulations of uniaxial tension are conducted with and without defects. In computational microstructures with defects, various volume fractions, shapes and sizes of soft particles, hard particles or voids are assigned and both macroscopic and local mechanical response from J2 and CP simulations are compared. This work demonstrates effects of incorporating realistic distributions of secondary particles and voids in finite element predictions of macroscopic response as well as failure and fracture behavior. |