The design and development of cryogenic propellant tanks with reduced weight and production costs is described with reference to applications for the National Launch System. The development program focused on the use of an aluminum-lithium alloy to demonstrate the production capability, manufacturability, and strength inherent in the novel material. Other key parameters for the alloy include fracture toughness, stress-corrosion resistance, and conformance to NASA specifications for cryogenic propellant tanks. The commercially produced aluminum-lithium alloy product forms are shown to operate acceptably in the temperature range for cryogenic propellant tanks. The alloy under consideration and the tank design are important advances in the development of ultralightweight launch-vehicle structures.
Advanced cryogenic propellant tank development status
1992-07-01
Conference paper
No indication
English
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