Grain boundary migration in see-through experiments (Structural Geology analogue experiments)

In see-through experiments of deforming crystals under optical microscopes, it is possible to observe in near real-time processes such as grain boundary migration, fluid inclusion migration and the evolution of grain boundary fluids. These movies are part of the PhD-thesis of Joyce Schmatz (RWTH Aachen University). For more information, have a look at http://www.ged.rwth-aachen.de/Ww/people/joyce/web%20documents/esfweb-pres.htm or http://www3.interscience.wiley.com/journal/122615794/abstract .
In this movie the microstructural process is grain boundary migration recrystallization accompanied by dynamic grain growth. Please note the dynamic wetting angle with variations at leading and trailing surface. This experiment is also shown in Fig. 4b of http://onlinelibrary.wiley.com/doi/10.1111/j.1525-1314.2009.00849.x/abstract . The solid phase is camphor and the fluid is ethanol. Joyce' MOVIE of the week (CW 44, 2010)

Category:

Science & Technology

Tags:

• Structural Geology
• Analogue experiments
• fluid inclusion migration
• camphor
• crystals
• dynamic recrystalisation
• deformation
• fluid inclusion necking