Monitoring and repair of defects in ultrasonic additive manufacturing

• Published in: International journal of advanced manufacturing technology Vol. 108; no. 5-6; pp. 1793 - 1810
• Main Authors: Nadimpalli, Venkata Karthik, Karthik, G. M., Janakiram, G. D., Nagy, Peter B.
• Format: Journal Article
• Language: English
• Published: London Springer London 01.05.2020; Springer Nature B.V
• Subjects: Additive manufacturing; Bonding; CAE) and Design; Computer-Aided Engineering (CAD; Defects; Dissimilar metals; Engineering; Evolution; Friction stir processing; Industrial and Production Engineering; Mechanical Engineering; Media Management; Metal foils; Monitoring; Nondestructive testing; Original Article; Repair; Solid state; Stiffness; Substrates; Ultrasonic testing; Ultrasonic welding; UAM; Imperfect interfaces; Additive manufacturing; Friction stir processing; NDE

Ultrasonic additive manufacturing (UAM) involves ultrasonic welding of similar or dissimilar metal foils on top of a base substrate. UAM can produce solid consolidated structures under optimal processing conditions. However, inter-layer defects such as delamination/kissing bonds (type 1) and inter-t...