|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||Additive Manufacturing of Metals: Establishing Location-Specific Processing-Microstructure-Property Relationships
||Porosity Determination in Powder Bed Aluminum Alloy
||Lisa Deibler, Jay Carroll, Jeff Rodelas
|On-Site Speaker (Planned)
Mechanical testing of laser powder bed manufactured AlSi10Mg has revealed large scatter in properties, particularly in ductility measurements during tensile tests. The observed behavior is indicative of flaw-dominated failure. The microstructural characteristics and the defect distribution in post-failure tensile bars has been characterized using fractographic and metallographic techniques and was found to be dominated primarily by porosity. Characterization of porosity is a seemingly simple task, but performing it on a scale that is useful during production of a part requires some ingenuity. The defect data has been statistically treated and linked to the mechanical properties of each particular sample. This work will be applied to determine the most effective way to monitor porosity during production.
||Planned: Supplemental Proceedings volume