Case Study IV (Introduction)
Hybrid Sandwich composite
Preparation of metallicHoneycomb Sandwich structure
Mechanical Thermal Protection System(for Skin)
(For a hypersonic aircraft - 5 Mach Number)
Requirement : To withstand surface temperature of 1100oC
Ceramic wool of thickness 40mm
Facing sheet – Ni alloy of 0.08 -.1mm
Core - Ni alloy of 4mm cell size honeycomb structure
Facing sheet – Ti alloy of 0.3 -.4mm
Core - Ti alloy of 4mm cell size honeycomb structure
Applications
Metal Engine - Composite
All composite – Pegasus structure
All composite – Pegasus skin
All Composite Tailpipe Weighs
Only 15 Kgs.
B2 Stealth bomber
B2 Stealth bomber
Panels manufactured by Chempharm , India
Sheet thickness : 0.5 mm to 0.8 mm
machines in India with following Specification
Size: Sandwich / Composite 1.2 m widths x 6.2 m LengthMaterial of construction: / SS 304 / SS 316Overall thickness of the panel : 50 mm to 200 mmFilling Material : PUF / Mineral wool / Honey comb paper / EPS
Application / Usage:
Clean Room for Pharmaceutical and Electronic industriesOffice Partitions for Industry High bay Warehouses, Storage facilitiesCold storages /Cold rooms and CA systemsRoof structure for Industrial Shed
Conclusion
• Classification composites
• Design parameters of Sandwich composite
• Case studies
1.3 D spacer Fabric
2. Honeycomb sandwich composite
3. Metallic Foam Sandwich Composite
4 Hybrid Sandwich composite
• Applications