2024-03-14 19:06:57
Scientists have developed a new titanium alloy metamaterial that has incredible strength, according to a recent study published in the journal Advanced Materials.
Popular Mechanics reports.
This material has a unique lattice structure, making it 50% stronger than the next strongest alloy of similar density used in the aerospace industry. Scientists say this discovery could significantly change the process of manufacturing parts for aircraft and missiles.
Scientists used a 3D printer to create a lattice cube from a new metamaterial based on titanium alloy, which has the highest strength. The material is 50% stronger than aerospace cast WE54 magnesium alloy while maintaining similar density.
Scientists have overcome a common problem associated with pressure concentration in certain areas of hollow cellular structures. This problem leads to premature failure of the structure. Instead, the researchers created a grid with a variety of topologies that distributes the load evenly, preventing problems with uneven pressure distribution in specific areas.
In addition, this design is capable of removing cracks along the entire structure. According to scientists, in most topologies, less than half the material is predominantly subjected to compressive loading, with a large volume of material having no structural significance. Scientists have developed a hollow tubular lattice structure with an internal thin strip.
These two elements together demonstrate strength and lightness, combining two complementary lattice structures to distribute the load evenly. The creation of such a high-strength lattice was made possible by using a laser 3D printer for melting powder layers, which is much more difficult to use compared to a conventional 3D printer.
Although the discovery of an extremely durable metamaterial is a scientific breakthrough, its production requires the use of advanced technologies. Because of this, mass application of the metamaterial is expected only in a few years.
Previously, Cursor wrote that Scientists from the University of Göttingen have developed a method that turns popcorn into an environmentally friendly material for insulating buildings. The use of high-quality insulation in buildings helps reduce heat consumption and leads to a reduction in CO2 emissions.
2024-03-14 19:06:57