Annotated Summary Draft 1

Elizabeth Montalbano. (2019, January 25). Breakthrough 3D Printed Materials Make Strong, Lightweight Structures. Retrieved from https://www.designnews.com/materials-assembly/breakthrough-3d-printed-materials-make-strong-lightweight-structures/133147783059994

This article focuses on a stronger and lightweight 3D printed material through a new interior structure design. It provides the benefits of the new plate-lattice structure as compared to the truss-lattices structure which has been around for a long time. The most well-known truss-lattice structure would be the Eiffel Tower. For truss-lattices structure, whenever a force is being applied, one out of three of the structs withstands the incoming force, the two others being idle. Whereas, when it comes to the plate-lattice structure, the other two structs instead of being idle would provide stability to the structure. This new structure increases the efficiency of the entire structure, thereby improving overall strength and stiffness.

The article also provides a useful platform for our research into reducing the weight of the 3D printed core. With the same density, the plate-lattice structure is up to three times stiffer and has higher resistance to permanent deformation as compared to the truss-lattices structure. The article highlighted that at this moment, this material is the probably stiffest structure for the given weight. The material is produced with a 3D printer at the micrometer scale. It is however not limited to sizes and can be applied from the scale of nanometers to the largest of scales. This makes it possible for us to implement this structure into core, making it relevant to our research project.

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