Effect of Molding Processing on Properties of YAG Porous Ceramics via Dry Pressing Molding Method

Abstract:

YAG materials have a number of unique properties, the application is very extensive. In order to improving the properties of YAG porous materials, the effect of forming processing on the properties of YAG porous ceramics is investigated. Through the results and analysis, the conclusions showed that the porosity of YAG porous ceramics gradually decreased with the molding pressure increases, and the compressive strength of YAG porous ceramics shows a rising trend. The size and number of pores in the microstructure are reduced with increasing the forming pressure, there are inherently many voids in the YAG porous ceramics body at low forming pressures. The porosity of YAG porous ceramic decreases with the increase of dwell time, however, the process of extending from 5 min to 10 min is much faster than the rate of descending from 10 min to 15 min. The size and number of pores in the microstructure are reduced with extending the holding pressure time, which also makes YAG porous ceramics pose the higher mechanical strength. Through the analysis of the results, when the forming pressure is 10MPa, the porosity of YAG porous ceramics is 41.11% and the compressive strength is 5.8MPa, the porosity and compressive strength of YAG porous ceramics is better.

• Periodical: Materials Science Forum (Volume 934)
• Pages: 134-139
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.934.134
• Online since: October 2018
• Authors: Chang Ming Wu, Yan Yang, Hui Min Sun, Da Deng, Mei Hua Chen, Jie Guang Song*, Lin Chen, Min Han Xu, Cheng Wei Hao
• Keywords: Dry Pressing Molding Method, Molding Processing, Porous Ceramics, YAG

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