The Materials Science Program and the Department of Chemistry and Biochemistry Seminar
- Friday, November 2, 2018 at 3:10pm
- Chemistry & Biochemistry Building, Byker - view map
Dr. Kevin Hammonds (MSU, Dept. of Civil Engineering) will present "From Avalanches to Ice Sheets: The Material Properties of Snow & Ice."
When studied from a materials science perspective, large-scale and naturally-occurring phenomena, such as how an ice sheet viscously deforms or how an avalanche releases, can be understood through laboratory-scale investigations of the thermal and mechanical history of the snow and/or ice and its microstructure. To derive these microstructural properties, many advanced materials characterization techniques can be employed, including the use of cross-polarized optical microscopy, micro-CT, scanning electron microscopy (including EBSD & EDS), and Raman spectroscopy. With the application of these techniques combined with relatively small-scale laboratory experiments, many of the peculiar properties of ice and snow can begin to be unraveled. Presented in this seminar, is an overview of the materials characterization techniques that are currently being applied to snow and ice at MSU, as well as the results from several previous and ongoing laboratory experiments that will further illustrate its many fascinating complexities. These experiments will include results related to the crystallographic structure of ice, the effects of soluble impurities in ice, and the thermophysical properties of ice/snow interfaces…all of which are critical components for better understanding ice sheets and avalanches in our natural world.
- Department of Chemistry and Biochemistry