According to foreign media reports, under the leadership of Pu Zhang, an associate professor at the State University of New York at Binghamton, a team of scientists passed3D printingA kind of existing metal called Field alloy was produced, and the research of grid structure was started.
This alloy is named after its inventor and chemist Simon Quellen Field (Simon Quellen Field) and consists of a mixture of bismuth, indium and tin. It will also melt when heated to 62°C (144°F), but will re-solidify after cooling.
Using a combination of vacuum casting and conformal coating technology, these alloy grids are then covered with a layer of rubber. As long as the ambient temperature is kept below 62 degrees, the resulting structure will remain rigid. However, once heated above this temperature, the alloy will melt, but it is still contained in the rubber shell. In this plastic form, the structure can be flattened or deformed. If the alloys keep this shape while they cool and re-harden, they will keep this changed shape indefinitely.
So far, the team has used the technology to create spider-web antennas, footballs, honeycombs, and even Terminator 2 hands, which open as the alloy melts. It is conceivable that this kind of lattice may also be used in applications such as spacecraft landing gear. It can absorb collision energy through bending, but it will return to its original shape after heating and cooling.
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