Innovative Copper Alloy with Shape Memory Effect at -200°C for Space Applications
Researchers have created a new copper-based alloy that exhibits a unique shape memory effect at extremely low temperatures of -200°C. This breakthrough material has the potential for use in space equipment and hydrogen-related technologies, operating effectively in cold environments below -100°C.
Researchers have developed a copper-based alloy with a shape memory effect at temperatures as low as -200°C. This alloy could be used in space equipment and hydrogen-related technologies for cold environments below -100°C.
Previous shape memory alloys using Ni-Ti lost their shape memory ability below -20°C. The new Cu-Al-Mn alloy is the first to function as an actuator material below -100°C, showing promising work output.
The researchers from various institutions prototyped a mechanical heat switch using the Cu-Al-Mn alloy, which effectively operated at -170°C. This switch can control heat transfer based on temperature changes.
The Cu-Al-Mn alloy opens up possibilities for high-performance actuators in cryogenic conditions, with potential applications in space telescopes and hydrogen transportation.
According to the source: Phys.org.
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