Discovery could lead to new materials and insights into seismic behavior

A new study has unearthed the atomic-scale mechanism behind the deformation of glass, a material that has perplexed scientists for centuries. Glass is a non-crystalline, amorphous solid that is typically brittle and hard to deform. However, under certain conditions, glass can exhibit remarkable plasticity and undergo significant deformation without breaking.

The research, published in the journal Science Advances, was conducted by a team of scientists from the University of Pittsburgh Swanson School of Engineering and the University of Pennsylvania Department of Materials Science and Engineering. The team used a combination of high-resolution imaging and computer simulations to study the atomic-scale structure of glass as it deformed.

The researchers found that the deformation of glass is triggered by the rearrangement of atoms within the material. This rearrangement occurs when atoms break away from their original positions and move to new locations. The rearrangement of atoms creates defects in the glass, which weaken the material and make it more susceptible to deformation.

The discovery of the atomic-scale mechanism behind the deformation of glass has important implications for the development of new materials and for understanding the behavior of seismic waves in the Earth's crust.

"This discovery opens up new avenues for exploring the properties of materials at the atomic scale," said Dr. James K. Knowles, a professor of mechanical engineering and materials science at the University of Pittsburgh. "The insights we gained from this study could lead to the development of new materials with improved strength and ductility, as well as new insights into the behavior of seismic waves in the Earth's crust."

Source: University of Pittsburgh Swanson School of Engineering