Date of Award
2026
Document Type
Dissertation
Degree Name
Doctor of Philosophy (PhD)
Department
Materials Science
Committee Chair
Judith A. Schneider
Committee Member
Michael Banish
Committee Member
Ana Wooley
Committee Member
Kevin Minor
Committee Member
Mark Weaver
Research Advisor
Judith A. Schneider
Subject(s)
Laminated metals--Mechanical properties, Additive manufacturing
Abstract
As the expansion of metal additive manufacturing (MAM) brings forward new techniques and processes, compatibility between combinations of materials in multi-material components needs to be considered. Currently, the process by which compatibility between various metal alloys are evaluated is through laborious characterization of representative samples, which are products of both the additive manufacturing (AM) process used as well as the material chemistry. If a methodology for understanding the driving mechanisms behind formation of a compatible metallic interface can be created with the use of a predictive model, then wider implementation of multi-material MAM can be achieved. The objective of this work is to evaluate the interface created by three types of AM processing, all utilizing a bi-metallic combination of GRCop-42 and Inconel 625, and compare with the results of a predictive thermodynamic model of the interface. This work has demonstrated that the variation in cooling rates of AM processing is a major driver of interface characteristics and are not accounted for by equilibrium thermodynamic models.
Recommended Citation
Santangelo, Michael P., "Mechanisms of interface formation in bi-metallic components fabricated using additive manufacturing processes" (2026). Dissertations. 493.
https://louis.uah.edu/uah-dissertations/493
Comments
Submitted ... in the Joint Interdisciplinary Materials Science Program.