About this Abstract |
Meeting |
MS&T21: Materials Science & Technology
|
Symposium
|
Manufacturing and Processing of Advanced Ceramic Materials
|
Presentation Title |
Effects of Sintering Additive and Oxygen Partial Pressure on Solid-state Single-crystal Growth of YAG Ceramics |
Author(s) |
Iva Milisavljevic, Guangran Zhang, Yiquan Wu |
On-Site Speaker (Planned) |
Iva Milisavljevic |
Abstract Scope |
Solid-state single crystal growth (SSCG) has been recognized in recent years as a promising alternative method for the growth of single-crystals. However, despite its numerous advantages over conventional techniques, the knowledge about the SSCG method is still very limited. In this work, we used Y3Al5O12 (YAG) to investigate the effects of different sintering additives such as MgO, CaO, and SiO2 on the single-crystal conversion phenomenon during the spark plasma sintering. Polished YAG single-crystal seeds buried inside the powder samples before sintering were used to investigate the conversion of the polycrystalline ceramic matrix. The effects of sintering parameters and the oxygen partial pressure (pO2) on the conversion kinetics and mechanism were also discussed. |