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Using 3D printing: scientists produced heat shrinkable materials
administrators 2016-11-08 09:13:58

Using 3D printing technology, researchers at the University of southern California are developing a customizable material that can expand, contract, or change without heat.

利用3D打印:科学家制作出遇热收缩材料


The researchers are making this material will no longer be affected by changes in temperature, and now they are closer to this goal. If this vision can become a reality, the material will have a broad application prospects in the construction industry and manufacturing industry.

Usually, the volume of most materials will swell when heated, so some large structures such as bridges and buildings will set expansion joints in the design, to prevent damage caused by excessive squeeze of the building structure. However, when the structure of the building is made of several different materials, due to the different material properties, the degree of expansion in the heating conditions are also different, which will be a great test of the safety of the building structure.

Thus, researchers in the process of making the material, the use of 3D printing technology can be mixed with different materials for the production of new materials. These materials were first used in liquid form for 3D printing, and then UV curing. Using this method, the researchers can arrange the beam inside the lattice structure of the object in a specific angle. Different materials have different thermal expansion rate, the heated object instead of the overall expansion, but began to shrink, completely subvert the previous basic natural phenomena of expansion and contraction.

The team next goal is, through the use of combinations of materials and different lattice structures, the shrinkage rate of the precise control of the object and to make the final expansion, completely unaffected by thermal effect of deformation materials. The material will greatly improve the safety of the building structure.

 

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