|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||Energy Materials 2017: Materials for Gas Turbines
||C-11: Effect of Thermal Debinding and Sintering Conditions on Mechanical Properties of Silica-based Ceramic Cores
||Jeong-gu Yeo, JeongSoo Park, Young-Hwan Kim
|On-Site Speaker (Planned)
Complex shaped ceramic cores are prepared to make internal cooling passages for gas turbine parts. It is investigated in this study the effects of debinding and sintering conditions on silica-based ceramic cores. Green bodies are prepared by ceramic injection molding with fused silica, zircon flour and thermoplastic binders. Green bodies are debinded and sintered with various heating rates, heating times and temperatures. Surface defects are observed after debinding and sintering steps. Flexural strength, microstructural observation and X-ray diffraction patterns are examined with sintered bodies. The crack-free ceramic cores are successfully obtained.
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