Slip-Cast Fused Silica Radomes for Hypervelocity Vehicles: Advantages, Challenges, and Fabrication Techniques
Today, the development of ceramic radome materials for hyper velocity (> Mach 5) missiles is a top research priority for several countries for the purposes of both surveillance and combat. The ceramic materials with low and stable dielectric properties
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Slip-Cast Fused Silica Radomes for Hypervelocity Vehicles: Advantages, Challenges, and Fabrication Techniques Ibram Ganesh and Yashwant Ramchandra Mahajan
Contents Introduction: The Strategic Necessity and the History of Radomes Development . . . . . . . . . . . . Bore-Sight Error and Desired Shape of a Radome for Hypervelocity Vehicles . . . . . . . . . . . . . . . Derivation of Tangent Ogive Radome Shape Using Mathematical Equations . . . . . . . . . . . . . . . . Glass and Fiber Reinforced Plastics for Radome Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ceramic Materials of Choice for Hyper-velocity Radome Applications . . . . . . . . . . . . . . . . . . . . . . Alumina . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cordierite Based-Glass (Sitall) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Slip-Cast Fused-Silica . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Silicon Nitride and β-SiAlON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Beryllium Oxide and Boron Nitride . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Comparison of Slip-Cast Fused-Silica Characteristics with Other Radome Ceramics . . . . . . . . The Raw Material Resources of Fused Silica and its Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . Fused Silica Radomes: The General Methods of Fabrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Slip-Casting of Fused-Silica Radomes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Characteristics of Precursor Powders, Slips, and Plaster Molds . . . . . . . . . . . . . . . . . . . . . . . . . . . Effect of Pressure Casting on the Formation of Wall Thickness . . . . . . . . . . . . . . . . . . . . . . . . . . . Electrophoretic Deposition Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gelcasting of Fused Silica Radomes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydrolysis-Induced Aqueous Gelcasting of Fused Silica Radomes . . . . . . . . . . . . . . . . . . . . . . . . . . . Surface Passivation to Seal Porous Structure of Fused Silica Radomes . . . . . . . . . . . . . . . . . . . . . . . Fused-Silica Ceramic Composites with Other Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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I. Ganesh (*) Centre of Excellence for Ceramic Processing, International Advanced Researc
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