An Investigation on the Hardness of Polylactic Acid Parts Fabricated via Fused Deposition Modeling

Yu-Shan Zeng; Ming-Hsien Hsueh; Chao-Jung Lai; Te-Ching Hsiao; Chieh-Yu Pan; Wen-Chen Huang; Chih-Hao Chang; Shi-Hao Wang

doi:10.3390/polym14142789

Polymers (Jul 2022)

An Investigation on the Hardness of Polylactic Acid Parts Fabricated via Fused Deposition Modeling

Yu-Shan Zeng,
Ming-Hsien Hsueh,
Chao-Jung Lai,
Te-Ching Hsiao,
Chieh-Yu Pan,
Wen-Chen Huang,
Chih-Hao Chang,
Shi-Hao Wang

Affiliations

Yu-Shan Zeng: Department of Mechanical Engineering, National Kaohsiung University of Science and Technology, Kaohsiung 807618, Taiwan
Ming-Hsien Hsueh: Department of Industrial Engineering and Management, National Kaohsiung University of Science and Technology, Kaohsiung 807618, Taiwan
Chao-Jung Lai: Department of Fashion Design and Management, Tainan University of Technology, Tainan 710302, Taiwan
Te-Ching Hsiao: Department of Mechanical Engineering, National Kaohsiung University of Science and Technology, Kaohsiung 807618, Taiwan
Chieh-Yu Pan: Department and Graduate Institute of Aquaculture, National Kaohsiung University of Science and Technology, Kaohsiung 811213, Taiwan
Wen-Chen Huang: Department of Information Management, National Kaohsiung University of Science and Technology, Kaohsiung 824005, Taiwan
Chih-Hao Chang: Department of Marketing and Distribution Management, National Kaohsiung University of Science and Technology, Kaohsiung 824005, Taiwan
Shi-Hao Wang: Department of Industrial Engineering and Management, National Kaohsiung University of Science and Technology, Kaohsiung 807618, Taiwan

DOI: https://doi.org/10.3390/polym14142789
Journal volume & issue: Vol. 14, no. 14
p. 2789

Abstract

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This paper investigated the hardness property of the fused deposition modeling (FDM)-printed PLA samples via different process parameters of printing and raster angles. The hardness data were sampled from the flat and edge surfaces of the samples. In addition, the effect of hardness characters after the ultraviolet (UV) curing process was analyzed. Furthermore, this research found that the printing and raster angles significantly affected the hardness value of the PLA part, which slightly increased after the UV irradiation. Moreover, the results of this study will provide a reference for the field of FDM application.

Published in Polymers

ISSN: 2073-4360 (Online)
Publisher: MDPI AG
Country of publisher: Switzerland
LCC subjects: Science: Chemistry: Organic chemistry
Website: http://www.mdpi.com/journal/polymers/

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