Effect of Sintering Temperature on Properties of Yunnan Albite Ceramics Produced by Digital Light Processing

Abstract

Abstract: Yunnan province is rich in mineral resources, and albite is one of the local dominant minerals. However, at present, the industrial application area of albite is simple and the addtional value of products is low. In this paper, Yunnan albite was used as the raw material, and albite ceramics were prepared by digital light processing (DLP) technology. The effect of sintering temperature on the properties of albite ceramics was investigated, and albite ceramics with complex structure were successfully prepared based on the research results. The results show that the forming effects of albite ceramics prepared by DLP are good, and the bending strength of albite green body is 18.30 MPa. With the increase of sintering temperature, the main phases of albite ceramics are albite and anorthite, and there are not other phases. The shrinkage, densification degree and bending strength of albite ceramics increase gradually. When the sintering temperature reaches 1 150 ℃, the shrinkage of the albite ceramics is the largest, 35.25% (Z direction). Meanwhile, the microstructure of albite ceramics is dense, the mechanical property is satisfactory, and the bending strength is 98.69 MPa. It has important effect on promoting the industrial development of Yunnan albite that combining Yunnan albite with DLP technology to prepare high-performance albite ceramics with complex structure.

Key words: albite, digital light processing, sintering temperature, bending strength, microscopic morphology, shrinkage

CLC Number:

TQ174

LIU Xingyu, WU Jiamin, LIU Yuxi, HUA Shuaibin. Effect of Sintering Temperature on Properties of Yunnan Albite Ceramics Produced by Digital Light Processing[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2023, 42(2): 736-742.

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