Radiation Effects on Shear Strength of Several Alloys at Liquid Hydrogen Environment
Current and advanced aerospace programs utilizing nuclear energy for power source or propulsion have well established needs for engineering materials data on mechanical and physical properties at the environment of their application. Nuclear radiation as an unusual environmental parameter will be encountered on vehicles utilizing nuclear rocket propulsion systems. Principal environmental factors that influence the materials performance in nuclear-powered vehicles are: (1) cryogenic temperature inherent in the liquid hydrogen working fluid; (2) the high intensity of nuclear radiation; and (3) hard vacuum associated with interplanetary space.
KeywordsTensile Strength Shear Strength Radiation Effect Specification Limit Strength Ratio
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