Research explores how tiny features in nanomaterials, known as triple junctions, play a crucial role in maintaining the stability of these materials under high temperatures.
How can we engineer materials that are stronger and lighter? What about new materials for extreme conditions such as in jet engines and spacecrafts?
According to the researchers, it is the regions where crystals meet that play an outsized role in determining how a material behaves. Recently, the team's work was published in, a journal publishing cutting-edge research in nanoscience and nanotechnology that is known for its high impact. What the scientists found is that when certain atoms are added to form an alloy, they prefer to occupy sites at these triple junctions. This"chemical segregation" or gathering of atoms at triple junctions helps to keep the grains from growing, thereby preventing the material from losing its strength over time.
"This is an outstanding example of collaborative science," says Dr. Brad Boyce, a senior scientist at CINT and a co-author on this study."Our ideas for how to engineer novel materials by tailoring features at the nanoscale are maturing as a result of the ability to simulate the complex arrangement of atoms that make up these materials."
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