Journal
JOURNAL OF THERMOPLASTIC COMPOSITE MATERIALS
Volume 35, Issue 10, Pages 1632-1646Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/0892705720939179
Keywords
Selective laser sintering (SLS); sisal fiber powder (SFP); poly-(ether sulfone) (PES) powder; orthogonal design and synthesis analysis; mechanical properties analysis
Categories
Funding
- Fundamental Research Funds for the Central Universities [2572018BF04]
- National Natural Science Foundation of China [51905084]
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This article aims to improve the sintering quality of the sisal fiber/poly-(ether sulfone) (PES) composite (SFPC) part fabricated via selective laser sintering (SLS). The influence factors on the quality of the sintered part were studied and analyzed. The results showed that the quality of SFPC part was significantly enhanced when the optimum parameters were applied in SLS process. This article provided important reference value for the choice of the process parameters of the biomass composite.
This article aims to improve the sintering quality of the sisal fiber/poly-(ether sulfone) (PES) composite (SFPC) part fabricated via selective laser sintering (SLS). The sisal fiber and PES powders were proposed as the feedstock of the SFPC powder bed for SLS. An orthogonal experimental methodology with four levels and five factors was applied to optimize the process parameters for the single-layer sintering experiment. The mechanical properties and accurate dimensions of the sintered part were tested using a universal testing machine and Vernier caliper. The preheating temperature, scanning speed, and laser power were selected as influencing factors on the mechanical properties and accuracy dimensions of the SFPC part. Furthermore, the influence factors on the quality of the sintered part were studied and analyzed. Additionally, the synthesis weighted scoring method was used to determine the optimum parameters of the SLS part. The results showed that the optimal parameters (factors) were preheating temperature of 82 degrees C, scanning speed of 2 m s(-1), laser power of 14 W, and laser wavelength of 10.6 mu m. Thus, the quality of SFPC part was significantly enhanced when the optimum parameters were applied in SLS process. This article provided the main reference value for the choice of the process parameters of the biomass composite.
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