Abstract
Additive manufacturing trials are carried out on two new nickel-based superalloys designed specifically for this processing method. Their performance—with emphasis on their capability to resist cracking—is assessed by comparing with the two legacy alloys IN939 and CM247LC. The two new alloys are found to have demonstrably superior printability. Thermophysical testing and quantitative characterization, particularly via stereology, are used to help rationalize the physical basis of the improved manufacturability displayed.
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Ghoussoub, J. N., Tang, Y. T., Panwisawas, C., Németh, A., & Reed, R. C. (2020). On the Influence of Alloy Chemistry and Processing Conditions on Additive Manufacturability of Ni-Based Superalloys. In Minerals, Metals and Materials Series (pp. 153–162). Springer Science and Business Media Deutschland GmbH. https://doi.org/10.1007/978-3-030-51834-9_15
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