Abstract
Ultrasonic Additive Manufacturing (UAM) is a solid-state metal additive manufacturing process that uses periodic CNC machining to create internal and external geometries, layer-by-layer. The solid-state nature of the bonding process (ultrasonic metal welding) allows UAM to directly bond metal materials with significantly different thermal, hardness and strength properties – permitting unique multi-metal structures. Additionally, the ultrasonic bonding process results in a high-plasticity, low-bulk-temperature phenomenon that permits the embedding of sensitive elements such as optical fibers, electronics and reinforcement elements, directly into metal matrices. Due to these novel capabilities, UAM holds a position of uniqueness in Advanced Manufacturing processes.
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