|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||Additive Manufacturing of Metals: Establishing Location-Specific Processing-Microstructure-Property Relationships
||An Integrated Platform for Predicting the Mechanical Behavior of Additive Manufactured Metal Parts
||Jian Cao, Wing Kam Liu, Sarah Wolff, Steven Lin, Wei Xiong, Puikei Cheng, Gregory Wagner, Eric J. Faierson, Federico Sciammarella, Kornel Ehmann , Greg Olson
|On-Site Speaker (Planned)
Additive manufactured (AM) metal components are growing in ubiquity in biomedical and aerospace industries for their complexity and flexibility. Our recent work aims to predict localized inhomogeneity and anisotropy of direct material deposition processed materials. A collaboration of simulation methods and material characterization were used in this study, including an in-house code that captures the thermal history and material development at each point during a build, material characterization of pore shape and size using optical microscopy and X-ray micro-tomography, and a modified GTN material model to predict pore coalescence and ductile failure of a component at localized points. Direct relationships between localized thermal history and structure were found. By understanding the relationships between process, cooling rate, porosity and mechanical behavior at localized areas of a DMD-processed component, closed-loop control of process parameters can be achieved for desirable and controlled material properties.
||Planned: Supplemental Proceedings volume