Microstructure and mechanical properties of porous alumina ceramic prepared by a combination of 3-D printing and sintering

作者：Li, Xiangming^*; Gao, Mingjun; Jiang, Yun

来源：Ceramics International, 2016, 42(10): 12531-12535.

DOI：10.1016/j.ceramint.2016.05.027

• 3-D printing
• Alumina
• Porous
• Microstructure
• Mechanical properties

Porous alumina ceramic was prepared with a combined technique of three-dimensional printing and sintering. The optimal sintering temperature for porous alumina ceramic is in the range of 1300-1400 degrees C. The CaSO4-dextrin content of green body has a decisive effect on the phase composition and flexural strength but a little effect on the porosity and Vickers hardness of porous alumina ceramic. The alumina ceramic prepared from the green body with CaSO4-dextrin content in the range of 12-16 wt% possesses a flexural strength higher than 80 MPa, a porosity of about 50% and a tailored microstructure, which is a promising material for engineering applications.

• 出版日期2016-8-1
• 单位烟台大学; 西北农林科技大学