Invited Paper TF+SE-TuM3
Probing Rapid Formation and Oxidation Reactions with Multilayer Films and Foils

Tuesday, November 11, 2014, 8:40 am, Room 305

Vapor-deposited multilayer films and foils provide model structures for studying exothermic formation and oxidation reactions. These reactions can proceed at slow to moderate rates (10^-1 to 10⁵ K/s) using controlled heating or at very rapid rates (10⁶ to 10⁸ K/s) by initiating self-propagating mixing within the films or foils. In this presentation we will probe the sequence of intermetallic phase formation and the kinetics of rapid oxidation as a function of heating rate, chemistry, and concentration gradients using novel characterization tools such as nanocalorimetry, bomb calorimetry, dynamic transmission electron microscopy and synchrotron X-ray diffraction. The experimental results will be compared with analytical predictions and molecular dynamic simulations and controlling factors will be identified.