Cryogenic temperature effects on the tensile strength of various materials
Start Date
August 2024
End Date
August 2024
Location
ALT 205
Abstract
Springs stretch and compress as forces pull and push them, and the same things is true for other materials such as blocks of steel or aluminum. Each material has its own response to forces with some materials stretching more than others when pulled by the same force. During this summer, the tensile properties of materials has been observed at low temperatures and found to differ from observations in ambient conditions. Using a modified Dewar, which has been added to an existing tensile test apparatus, it is possible to submerge a material sample in cryogenic liquids while applying stretching forces. This will bring the samples to a more uniform temperature, which is important to a consistent result. After applying force to samples, the stress strain analysis can be interpreted to determine the effects of the test temperature on the results. Various materials have been tested. The reproducible manufacturing and testing of these samples have also been explored. Forged Carbon Fiber is a relatively new development, and the low temperature tensile properties have been explored to compare newer material developments to established methods. To build upon these observations, this can apply to the Hydrogen energy economy. As this economy becomes more viable in both an economic and material sense, research into the effective storage of cryogenic hydrogen is integral to an efficient economy. Being able to determine the best materials for such vessels or utilities will be an important step in optimizing these processes.
Cryogenic temperature effects on the tensile strength of various materials
ALT 205
Springs stretch and compress as forces pull and push them, and the same things is true for other materials such as blocks of steel or aluminum. Each material has its own response to forces with some materials stretching more than others when pulled by the same force. During this summer, the tensile properties of materials has been observed at low temperatures and found to differ from observations in ambient conditions. Using a modified Dewar, which has been added to an existing tensile test apparatus, it is possible to submerge a material sample in cryogenic liquids while applying stretching forces. This will bring the samples to a more uniform temperature, which is important to a consistent result. After applying force to samples, the stress strain analysis can be interpreted to determine the effects of the test temperature on the results. Various materials have been tested. The reproducible manufacturing and testing of these samples have also been explored. Forged Carbon Fiber is a relatively new development, and the low temperature tensile properties have been explored to compare newer material developments to established methods. To build upon these observations, this can apply to the Hydrogen energy economy. As this economy becomes more viable in both an economic and material sense, research into the effective storage of cryogenic hydrogen is integral to an efficient economy. Being able to determine the best materials for such vessels or utilities will be an important step in optimizing these processes.
