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In-situ X-ray Computed Tomography Analysis of Fracture Mechanisms in Ultrasonic Additively Manufactured Al-6061 Alloy...

by Ercan Cakmak, Maxim N Gussev, Thomas R Watkins, Jose' D Arregui Mena, Kurt A Terrani
Publication Type
Journal
Journal Name
Additive Manufacturing
Publication Date
Page Number
102401
Volume
48
Issue
A

The deformation and failure mechanisms in an ultrasonic additively manufactured Al-6061 alloy are studied using in-situ x-ray computed tomography during tensile deformation as well as ex-situ characterization with scanning electron microscopy. The role of pre-existing voids between the build layers on the failure mechanism is discussed with a focus on individual foil failures and void coalescence.