Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/145906
Title: Microstructure evolution and mechanical property response via 3D printing parameter development of Al–Sc alloy
Authors: Kuo, C. N.
Chua, Chee Kai
Peng, P. C.
Chen, Y. W.
Sing, Swee Leong
Huang, Sheng
Su, Y. L.
Keywords: Engineering
Issue Date: 2020
Source: Kuo, C. N., Chua, C. K., Peng, P. C., Chen, Y. W., Sing, S. L., Huang, S., & Su, Y. L. (2020). Microstructure evolution and mechanical property response via 3D printing parameter development of Al–Sc alloy. Virtual and Physical Prototyping, 15(1), 120-129. doi:10.1080/17452759.2019.1698967
Journal: Virtual and Physical Prototyping 
Abstract: Three-dimensional (3D) printed Sc-modified Al alloy by powder bed fusion (PBF) provides significant strength and ductility without hot tearing during the process. This kind of 3D-printable high specific strength materials exhibits great potential in lightweight applications. Due to the lesser design limitation through the 3D printing process, the degree of lightweight is greatly affected by the specific strength of the materials. Hence, to further improve the mechanical properties of the material through process optimisation or post-treatment is of great importance. Microstructure feature variations due to different processing parameters are well known for traditional processes and materials. This study explores the parameter–microstructure–performance relationship of 3D printed Sc-modified Al alloys from the perspective of melt pool interactions. According to the stress concentration effect and Hall–Petch effect, the mechanical properties of the 3D printed materials vary greatly depending on the difference in defect size, shape and grain size.
URI: https://hdl.handle.net/10356/145906
ISSN: 1745-2759
DOI: 10.1080/17452759.2019.1698967
Rights: This is an Accepted Manuscript of an article published by Informa UK Limited, trading as Taylor and Francis in Virtual and Physical Prototyping on 3 Dec 2019, available online: http://www.tandfonline.com/10.1080/17452759.2019.1698967
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SC3DP Journal Articles

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