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Title: Broadening the design space of engineering materials through “additive grain boundary engineering”
Authors: Seita, Matteo
Gao, Shubo
Keywords: Engineering::Materials
Issue Date: 2022
Source: Seita, M. & Gao, S. (2022). Broadening the design space of engineering materials through “additive grain boundary engineering”. Journal of Materials Science, 57(21), 9530-9540.
Project: NRFNRFF2018–05 
Journal: Journal of Materials Science 
Abstract: Grain boundary engineering (GBE) is one of the most successful processing strategies to improve the properties of polycrystalline solids. However, the extensive thermomechanical processes involved during GBE restrict its use to selected applications and materials. In this viewpoint paper, we discuss the opportunity provided by additive manufacturing (AM) technology to broaden the applicability of the GBE paradigm and, consequently, the design space for engineering materials. By integrating specially-designed thermomechanical processing within AM, it would be possible to produce bulk, near-net-shape parts with complex geometry and GBE microstructure. We discuss the major challenges in this endeavor and propose some possible strategies to achieve this goal, which we refer to as “additive-GBE”.
ISSN: 0022-2461
DOI: 10.1007/s10853-022-06886-6
Schools: School of Mechanical and Aerospace Engineering 
School of Materials Science and Engineering 
Rights: © 2022 The Author(s). This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles
MSE Journal Articles

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