An Integrated Computational Materials Engineering-Anchored Closed-Loop Method for Design of Aluminum Alloys for Additive Manufacturing

Authors

Saket Thapliyal, University of North Texas
Mageshwari Komarasamy, University of North Texas
Shivakant Shukla, University of North Texas
Le Zhou, Marquette UniversityFollow
Holden Hyer, University of Central Florida
Sharon Park, University of Central FloridaFollow
Yongho Sohn, University of Central Florida
Rajiv S. Mishra, University of North Texas

Document Type

Article

Publication Date

3-2020

Publisher

Elsevier

Source Publication

Materialia

Source ISSN

2589-1529

Abstract

A closed-loop approach based on integrated computational material engineering was used to design, fabricate and characterize an Al–1.5Cu–0.8Sc–0.4Zr (wt%) alloy for laser powder bed fusion additive manufacturing (AM). Finalization of composition and prediction of solidification behavior and mechanical properties were done using calculation of phase diagrams (CALPHAD) and analytical tools. The microstructure of the printed alloy in as-built condition consisted of crack-free regions with fine-equiaxed grains which was consistent with CALPHAD results. Yield strength (YS) of ~349 ± 8 MPa was also in more than 90% agreement with predicted YS. The findings demonstrate an efficient methodology for application-based alloy design for AM.

Comments

Accepted version. Materialia, Vol. 9 (March 2020): 100574. DOI. © 2020 Elsevier. Used with permission.

Le Zhou was affiliated with University of Central Florida at the time of publication.

Recommended Citation

Thapliyal, Saket; Komarasamy, Mageshwari; Shukla, Shivakant; Zhou, Le; Hyer, Holden; Park, Sharon; Sohn, Yongho; and Mishra, Rajiv S., "An Integrated Computational Materials Engineering-Anchored Closed-Loop Method for Design of Aluminum Alloys for Additive Manufacturing" (2020). Mechanical Engineering Faculty Research and Publications. 278.
https://epublications.marquette.edu/mechengin_fac/278