Tensile Properties of Various Materials at Cryogenic Temperatures
Knowledge of mechanical properties of industrial materials at cryogenic temperatures is essential for designing cryogenic equipment such as superconducting magnets. To augment available data [1,2] an apparatus for tensile tests was designed and constructed to perform in the temperature range from room temperature to 4°K. The apparatus consisted of a universal testing machine, a cryostat which cools the specimens., an automatic temperature controller, and an automatic recovery system for the helium gas. Liquid helium was used as a coolant and Au(Co 2 %)-Cu thermocouples were used as temperature-sensing elements.
KeywordsYield Strength Ultimate Tensile Strength Liquid Helium Cryogenic Temperature Side Heater
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