期刊
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
卷 40, 期 14, 页码 4837-4843出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jeurceramsoc.2020.02.026
关键词
Alumina; Fused filament fabrication; Mechanical properties; 3D printing; Extrusion
资金
- JECS Trust [2018192]
- Slovak Grant Agency for Science VEGA [1/0906/17]
- Slovak Research and Development Agency [APVV-16-0341]
Fused filament fabrication (FFF), as one of the additive manufacturing technology, provides cost-effective and relatively fast preparation of 3D objects of desired dimensions and design. In this work, a composite filament containing 50 vol. % of sub-micron alumina powder was successfully used for the manufacturing of samples with prismatic design. The influence of the layer thickness (0.1-0.3 mm) on the final bulk density and mechanical properties were investigated. Sintering at 1600 degrees C for 1 h results in relative densities ranging from 80 to 89% and the flexural strength reached 200-300 MPa depending on the layer thickness used for the printing.
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