Department of Space and Defense Materials
- Head of Department
Lee, Sea-hoon
Department Introduction
Department of Space and Defense Materials works for the development of technology regarding the space and defense industry such as the fabrication of space materials, development of defense materials, building network with space and defense industry, development of ultra-high temperature ceramic composites that have been actively investigated during the last decade in the field of space and defense.
+82-55-280-3344 
Major Activities
- Fabricarion of SiC and SiC composites : 4 SCI papers published, 2 patents registered
- Development of ceramic sintering additive : 1 SCI paper published
- Development of ultra-high temperature ceramics and property analysis : 6 SCI papers published
Major Research Area
- Analysis of space materials and collaboration with the space industry
- Analysis of defense materials and collaboration with the space industry
- Synthesis of silicon carbide powder and fabrication of silicon carbide-based ceramic matrix composites
- Synthesis of ultra-high temperature ceramic powder and fabrication of ultra-high temperature ceramic-based ceramic matrix composites
- Property analysis of the fabricated materials at ultra-high temperature
Future Research Plan
- Building network with space industry and collaborating with the industry through the network
- Building network with defense industry and collaborating with the industry through the network
- Development of Silicon carbide-based ceramic composites for space industry
- Development of Silicon carbide-based ceramic composites for space industry
- Development of 3D printing technology for ceramic matrix composites
Major R&D Activities
Development of high-temperature materials for re-entry vehicles
- Development of high-temperature ceramic matrix composites to protect space vehicle during re-entry stage
- Porous lightweight tiles for the protection up to 1,000℃
- Ceramic matrix composites to withstand up to 1,700℃
- The developed materials did not show clear ablation up to 2,300℃
Development of SiC-based ceramic matrix composites
- Development of SiC-based ceramic matrix composites to apply for the gas turbine engine components
- Fabrication of highly dispersable SiC powder
- Development of scale-up process for the SiC powder
- Development of ultra-high concentration SiC slurry up to 70 vol%
- Development of homogeneous infiltration process of SiC slurry in between the SiC fiber fabrics
- Property analysis of the fabricated SiC-based composites
