Tungsten Copper - Rocket Throat

Tungsten copper is a kind of material which can be used as lining material, ceramic matrix composites and reinforced material, the thermal shock of throat lining mainly occurs at the moment of ignition, the tungsten copper material is made of tungsten infiltrated copper, not only because of its high density, hardness, strength, the good conductivity and thermal conductivity of copper, at the same time, the melting point of tungsten and copper is different, a large amount of heat is taken away by the evaporation of copper, which leaves the hard tungsten to ensure the stability of throat lining.

The principle of tungsten copper rocket throat:

1. Gas energy produced by combustion chamber through nozzle of solid rocket motor by controlling exhaust expansion control the expansion of the exhaust effectively into kinetic energy.

2.The main role of throat lining is limiting throat area

3. Commonly used metal powder for rocket engines, as a high energy propellant combustion, high temperature burning rate of air entrained solids scour throat, severe erosion of throat lining will directly affect the engine thrust and efficiency.

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