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- Title
Microscopic Analysis of Continuous Fiber 3D Printing with Oblique Axis for Process Optimization.
- Authors
Feng, Zhang; Yixuan, Hou; Bowen, Li; Peng, Jin
- Abstract
This article presents a self‐developed continuous fiber 3D printing device that incorporates a tilted printing axis. By positioning the print nozzle axis at an obtuse angle to the printing plane, the device effectively prevents the common issue of fiber damage during the 90° extrusion of continuous fibers. This improvement is substantiated through tensile strength experiments. Additionally, the pretreatment stage includes the twisting of continuous fibers to enhance friction along their length. This twisting process enables better retention of the matrix during impregnation, thereby improving impregnation performance. The cross‐section of the printed sample is observed by scanning electron microscope, and the microscopic effects of different process parameters on the continuous fiber structure are analyzed. Consequently, a link from process parameters to the mechanical properties of continuous fiber 3D printed specimens is established. This link serves as a foundation for predicting and optimizing the properties of continuous fiber‐reinforced materials.
- Subjects
THREE-dimensional printing; MICROSCOPY; PROCESS optimization; SCANNING electron microscopes; FIBERS; TENSILE strength
- Publication
Advanced Engineering Materials, 2023, Vol 25, Issue 19, p1
- ISSN
1438-1656
- Publication type
Article
- DOI
10.1002/adem.202300672