skip to main content
DOE PAGES title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: An integrated computational materials engineering-anchored closed-loop method for design of aluminum alloys for additive manufacturing

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.

Authors:
 [1];  [1]; ORCiD logo [1]; ORCiD logo [2];  [2];  [2]; ORCiD logo [2]; ORCiD logo [1]
  1. Univ. of North Texas, Denton, TX (United States)
  2. Univ. of Central Florida, Orlando, FL (United States)
Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1700521
Report Number(s):
PNNL-SA-150625
Journal ID: ISSN 2589-1529
Grant/Contract Number:  
AC05-76RL01830
Resource Type:
Accepted Manuscript
Journal Name:
Materialia
Additional Journal Information:
Journal Volume: 9; Journal ID: ISSN 2589-1529
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Aluminum alloys; CALPHAD; Alloy design; Additive manufacturing (AM); Atomization

Citation Formats

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. United States: N. p., 2019. Web. https://doi.org/10.1016/j.mtla.2019.100574.
Thapliyal, Saket, Komarasamy, Mageshwari, Shukla, Shivakant, Zhou, Le, Hyer, Holden, Park, Sharon, Sohn, Yongho, & Mishra, Rajiv S. An integrated computational materials engineering-anchored closed-loop method for design of aluminum alloys for additive manufacturing. United States. https://doi.org/10.1016/j.mtla.2019.100574
Thapliyal, Saket, Komarasamy, Mageshwari, Shukla, Shivakant, Zhou, Le, Hyer, Holden, Park, Sharon, Sohn, Yongho, and Mishra, Rajiv S. Thu . "An integrated computational materials engineering-anchored closed-loop method for design of aluminum alloys for additive manufacturing". United States. https://doi.org/10.1016/j.mtla.2019.100574. https://www.osti.gov/servlets/purl/1700521.
@article{osti_1700521,
title = {An integrated computational materials engineering-anchored closed-loop method for design of aluminum alloys for additive manufacturing},
author = {Thapliyal, Saket and Komarasamy, Mageshwari and Shukla, Shivakant and Zhou, Le and Hyer, Holden and Park, Sharon and Sohn, Yongho and Mishra, Rajiv S.},
abstractNote = {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.},
doi = {10.1016/j.mtla.2019.100574},
journal = {Materialia},
number = ,
volume = 9,
place = {United States},
year = {2019},
month = {12}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record

Save / Share: