|About this Abstract
||2018 TMS Annual Meeting & Exhibition
||Additive Manufacturing of Metals: Fatigue and Fracture
||Relating Defects at the Fracture Surface to Physical Properties of AM Materials
||Stephanie DeJong, Andrea Exil, Lisa Deibler, Jay Carroll
|On-Site Speaker (Planned)
Metal additively manufactured (AM) parts typically exhibit higher porosity than their conventionally-manufactured counterparts. This higher porosity is generally known to influence the ductility of materials in a nonlinear fashion, but the extent of that relationship is not well understood. We have developed an algorithm to estimate the area fraction of voids on large numbers of tensile dogbone fracture surfaces of AM AlSi10Mg from scanning electron microscopy images of those surfaces. We explore here the relationship between the physical properties of the samples and the void fraction at the fracture surface.
Sandia National Laboratories is a multi-mission laboratory managed and operated by National Technology and Engineering Solutions of Sandia, LLC., a wholly owned subsidiary of Honeywell International, Inc., for the U.S. Department of Energy’s National Nuclear Security Administration under contract DE-NA0003525.
||Planned: Supplemental Proceedings volume