Additive manufacturing of defect-free TiZrNbTa refractory high-entropy alloy with enhanced elastic isotropy via in-situ alloying of elemental powders

Shahryar Mooraj; George Kim; Xuesong Fan; Shmuel Samuha; Yujun Xie; Tianyi Li; Jaimie S. Tiley; Yan Chen; Dunji Yu; Ke An; Peter Hosemann; Peter K. Liaw; Wei Chen; Wen Chen

doi:10.1038/s43246-024-00452-0

Additive manufacturing of defect-free TiZrNbTa refractory high-entropy alloy with enhanced elastic isotropy via in-situ alloying of elemental powders

Shahryar Mooraj, George Kim, Xuesong Fan, Shmuel Samuha, Yujun Xie, Tianyi Li, Jaimie S. Tiley, Yan Chen, Dunji Yu, Ke An, Peter Hosemann, Peter K. Liaw, Wei Chen, Wen Chen

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11 Scopus citations

Abstract

Refractory high-entropy alloys are attractive for high-temperature applications, but are challenging to process. Here, a method is shown for identifying a processing window that allows the additive manufacturing of a TiZrNbTa refractory alloy with a low defect content and mechanical properties comparable to as-cast samples.

Original language	English
Article number	14
Journal	Communications Materials
Volume	5
Issue number	1
DOIs	https://doi.org/10.1038/s43246-024-00452-0
State	Published - Dec 2024

Funding

Wen C. at the University of Massachusetts Amherst acknowledges support from the US National Science Foundation (DMR-2238204). Wei C. acknowledges support from the US National Science Foundation (DMR-1945380 and OAC-2404816). In-situ high-energy X-ray diffraction work was carried out at the Advanced Photon Source (Beamline 11-ID-C), which is a US DOE user facility at Argonne National Laboratory. This research also used Spallation Neutron Source (SNS), which is a US DOE user facility at the Oak Ridge National Laboratory, sponsored by the Scientific User Facilities Division, Office of Basic Energy Sciences. P.K.L. very much appreciates the support from (1) the National Science Foundation (DMR\u20141611180, 1809640, and 2226508) with program directors, Drs. J. Madison, J. Yang, G. Shiflet, and D. Farkas and (2) the US Army Research Office (W911NF-13\u20131-0438 and W911NF-19\u20132-0049) with program managers, Drs. D. Brown, M.P. Bakas, S.N. Mathaudhu, and D.M. Stepp.

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Mooraj, S., Kim, G., Fan, X., Samuha, S., Xie, Y., Li, T., Tiley, J. S., Chen, Y., Yu, D., An, K., Hosemann, P., Liaw, P. K., Chen, W., & Chen, W. (2024). Additive manufacturing of defect-free TiZrNbTa refractory high-entropy alloy with enhanced elastic isotropy via in-situ alloying of elemental powders. Communications Materials, 5(1), Article 14. https://doi.org/10.1038/s43246-024-00452-0

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abstract = "Refractory high-entropy alloys are attractive for high-temperature applications, but are challenging to process. Here, a method is shown for identifying a processing window that allows the additive manufacturing of a TiZrNbTa refractory alloy with a low defect content and mechanical properties comparable to as-cast samples.",

author = "Shahryar Mooraj and George Kim and Xuesong Fan and Shmuel Samuha and Yujun Xie and Tianyi Li and Tiley, {Jaimie S.} and Yan Chen and Dunji Yu and Ke An and Peter Hosemann and Liaw, {Peter K.} and Wei Chen and Wen Chen",

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Mooraj, S, Kim, G, Fan, X, Samuha, S, Xie, Y, Li, T, Tiley, JS, Chen, Y , Yu, D , An, K, Hosemann, P, Liaw, PK, Chen, W & Chen, W 2024, 'Additive manufacturing of defect-free TiZrNbTa refractory high-entropy alloy with enhanced elastic isotropy via in-situ alloying of elemental powders', Communications Materials, vol. 5, no. 1, 14. https://doi.org/10.1038/s43246-024-00452-0

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AU - Mooraj, Shahryar

AU - Kim, George

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AU - Samuha, Shmuel

AU - Xie, Yujun

AU - Li, Tianyi

AU - Tiley, Jaimie S.

AU - Chen, Yan

AU - Yu, Dunji

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AB - Refractory high-entropy alloys are attractive for high-temperature applications, but are challenging to process. Here, a method is shown for identifying a processing window that allows the additive manufacturing of a TiZrNbTa refractory alloy with a low defect content and mechanical properties comparable to as-cast samples.

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Additive manufacturing of defect-free TiZrNbTa refractory high-entropy alloy with enhanced elastic isotropy via in-situ alloying of elemental powders

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