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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1161Laser Metal Deposition of Fe- and Co-Based...

Laser Metal Deposition of Fe- and Co-Based Shape-Memory Alloys

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Abstract:

In the present study, Iron-based FeMnAlNi and Cobalt-based CoNiGa shape-memory alloys (SMA) were processed by laser metal deposition for the first time. The materials show susceptibility to cracking upon processing when unheated substrates are employed. Pre-heating of the substrate materials eliminated cracking completely and enabled robust deposition of thin-wall structures. Microstructural analysis using optical microscopy revealed different microstructural evolution for the two materials considered.

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Materials Science and Technology of Additive Manufacturing

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Periodical:

Advanced Materials Research (Volume 1161)

Pages:

105-112

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1161.105

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Online since:

March 2021

Authors:

Niklas Sommer*, Gabriel Mienert, Malte Vollmer, Christian Lauhoff, Philipp Krooß, Thomas Niendorf, Stefan Böhm

Keywords:

Additive Manufacturing, Directed Energy Deposition, Laser Metal Deposition, Shape-Memory Alloy, Shape-Memory Effect

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