An Integrated Multiscale Workflow for Process-Structure-Property Control in L-PBF
Talk given by:
Abstract
The ability for Additive Manufacturing (AM), and more specifically Laser Powder Bed Fusion (L-PBF) AM, to create complex geometries is a double-edged sword. Complex shapes often enhance part value, functionality, and/or performance, but also create a range of conditions during the AM process that can adversely affect part quality and performance. Additionally, the continuous, market-driven increases in AM equipment and part size and complexity have stretched our understanding of the applicability of conventional process and material qualification approaches, modeling abilities, and inspection capabilities to their limits. A validated physics-based process-structure-property-performance (PSPP) simulation suite is needed to fill the technical/engineering and economic gaps, reducing or preventing the adoption of (L-PBF) AM into aerospace systems.
The ongoing work to be summarized presents an integrated workflow approach that connects process parameters, process monitoring, and physics-based computational materials engineering tools to advance material quality assurance and confidence in AM components. The workflow utilizes calibration-backed, multiscale simulation results to propose process parameter changes and optimization based on pre-build analysis to manage thermal history and its effects on the fundamental building blocks of fusion-based AM processes, the weld pool. Validation of models and improved performance of printed components is demonstrated with ex situ metallography and in situ thermal imaging to indicate changes to melt pool characteristics connected directly to complex printed part geometries.
Speaker Bio
Scott Cochran is a Staff Materials Engineer for Lockheed Martin Space within the Central Parts Materials and Processes organization, supporting LM Space's production and development additive manufacturing centers and a Principal Investigator for Lockheed Martin Corporate Research and Development efforts on Additive Manufacturing. He has experience in all aspects of the LM Space business from design to production to test, and even a faint familiarity with the operation of Space assets. His interests include all aspects of advanced manufacturing with a heavy emphasis on metallurgy and materials science. He graduated from Colorado School of Mines in 2012 with an ME in Metallurgical Engineering, and in 2010 with a BS in Materials and Metallurgical Engineering.
Location and Time
Pietra's Pizzeria & Italian Restaurant
9045 W 44th Ave, Wheat Ridge, CO 80033
April 2, 2026 at 6:00pm.
PLEASE RSVP by April 1, 2026 by emailing asmrockymountain@gmail.com!
Meeting Schedule
5:30-6:00pm – Executive Committee Meeting
6:00-6:30pm – Social Time
6:30-7:00pm – Dinner
7:00-7:45pm – Speaker Presentation
APR 2026 ASM Rocky Mountain Newsletter