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The microstructural evolution of dense nanostructured FeAl produced by mechanical and field activation was investigated over a range of annealing temperature from room temperature to 750°C. In-situ and exsitu X-ray diffraction experiments were performed to determine the evolution of the crystallite size and microdistorsion rate during annealing in an inert atmosphere. The results show the existence...
Controlling the Mechanically Activated Self-propagating High-temperature Synthesis (MASHS) process is exceedingly important for production of MoSi2-based materials with a desired microstructure. Consequently, it seemed essential to carry out Time-Resolved X-ray Diffraction (TRXRD) experiments using an X-ray synchrotron beam (DM2, ESRF Grenoble) coupled with IR thermographic measurements to monitor...
NiAl and NiAl-ZrO2 intermetallic composites were prepared from pressed elemental powders by SHS in a dynamic vacuum. The effect of diluent properties (such as conductivity and grain size) on the parameters of the SHS reaction has been investigated by time-resolved X-ray diffraction (TRXRD). By decreasing the reactivity of the green mixture, these nonreactive additives not only slow down the velocity...
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