Journal
MATERIALS LETTERS
Volume 220, Issue -, Pages 317-320Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2018.03.048
Keywords
3D printing; Ultrasonic strengthening; Additive manufacturing; Polymers; Mechanical properties; Deposition
Funding
- National Natural Science Foundation of China [51675226]
- Key Scientific and Technological Research Project of Jilin Province [20180201055GX]
- Project of International Science and Technology Cooperation of Jilin Province [20170414043GH]
- Graduate Innovation Fund of Jilin University [2017143]
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Three-dimensional (3D) printed samples produced by fused deposition modeling (FDM) have low inter-layer shear strength and poor bending mechanical properties owing to the technological characteristics of the accumulation of raster pattern and layers. The present study input ultrasonic vibration energy to 3D printed samples under pressure, and investigated the effects of ultrasonic vibration on the bending and dynamic mechanical properties of FDM 3D printed ABS samples. It was found that ultrasonic strengthening increased the bending strength of ABS samples by 10.8%, increased the bending modulus by 12.5%, and improved the dynamic mechanical properties. The combination of ultrasonic strengthening technology and FDM 3D printing technology can improve the flexural and dynamic mechanical properties of existing FDM 3D printed samples, and is important in broadening the application of 3D printed parts. (C) 2018 Elsevier B.V. All rights reserved.
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