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Updated: Sep 20, 2026
Fused Filament Fabrication (FFF) of Metal-Ceramic Components
Published on: January 11, 2019
[A study on the mechanical properties and microstructure of Alumina-zirconia nano-composite infiltrated ceramic]
Yongping Chen1, Yuankun Cen, Yunmao Liao
1Key Lab. for Oral Biomedical Engineering Ministry of Education, West China College of Stomatology, Sichuan University, Chengdu 610041, China.
Objective:
To evaluate the mechanical properties and microstructure of a new dental full-ceramic material: alumina-zirconia nano-composite infiltrated ceramic.
Methods:
The flexural strength was tested with three-point bending method and the fracture toughness with single edge notch bend (SENB) method. The composition of crystal phases in the infiltrated ceramic was analyzed by X-ray diffraction (XRD). The microstructure of the infiltrated ceramic was examined by scanning electronic microscope (SEM).
Results:
The average three-point flexural strength of the material was (610.85 +/- 37.07) MPa and the average fracture toughness determined by SENB method was (6.51 +/- 1.38) MPa.m1/2. The main crystal phases in this composite ceramic were alpha-Al2O3 and TZP-ZrO2.
Conclusion:
Alumina-zirconia nano-composite infiltrated ceramic is a new infiltrated ceramic with favorable mechanical properties. It demonstrated a promising future for clinical application.
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