Effect of Sintering Temperature on Properties of YAG Porous Ceramics via Atmospheric Sintering Method

Abstract:

YAG materials have a number of unique properties, the application is very extensive, the burn is due to the temperature is too high or the residence time at high temperatures is caused. The undercurrent is the sintering temperature is too low or the holding time is not enough, resulting in product performance is too low or too small shrinkage. In this paper, the effect of sintering temperature on properties of YAG porous ceramics was investigated. The results showed that the firing temperature of the ingredients will be different and cause the same sintering process and sintering additives content of different samples burned. The increase in the content of SiO₂ in the furnish with the sintering aid tends to occur. the effect of temperature on the mechanical properties of the samples after sintering was significant, so the raw materials include 60wt%YAG, 10wt% CaO, 10wt% SiO₂ and 20wt% soluble starch, the molding process in 20MPa pressure 10min, the sintering at 1500°C for 2h, the sample porosity is 42.2%, the compressive strength is 5.8MPa, the outside shape is keep intact and the better pore microstructure is shown.

• Periodical: Solid State Phenomena (Volume 281)
• Pages: 224-229
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.281.224
• Online since: August 2018
• Authors: Fang Wang, Ming Han Xu*, Ai Xia Chen, Long Tao Liu, Zhi Hui Li, Ru Xin Deng, Jie Guang Song, Lin Chen, Cheng Wei Hao
• Keywords: Atmospheric Sintering Method, Porous Ceramic, Sintering Temperature, YAG

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