Additive friction stir deposition vs. friction surfacing: Comparison of friction stir-based approaches for groove repair of high strength aluminum alloys by Zina Kallien, Victor A. Rojas, Pietro Aspes, Adam N. Swinney, Trevor J. Fleck, J. Brian Jordon, Paul G. Allison, Benjamin Klusemann

“…Friction stir-based solid-state layer deposition techniques show considerable potential as additive manufacturing approach but also for repair applications. …”
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Microstructure and Properties of 6061 Aluminum Alloy by Additive Friction Stir Deposition by Han Gao, Peng Dong, Zhiwei Wei

“…Additive friction stir deposition (AFSD) enables solid-state, layer-by-layer metal deposition, minimizing defects and elemental loss from melting. …”
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