Rev. Met. Paris
Volume 98, Number 12, December 2001Science et Génie des Matériaux
|Page(s)||1059 - 1064|
|Published online||25 October 2002|
The fascination of the grain boundary grooves
The topography of grain boundary thermal grooves in the Ni-rich NiAl is studied by the atomic force microscopy. It is demonstrated how the processes of grain boundary sliding and surface faceting modify the shape of the grooves. The quantitative theory of grain boundary grooving that takes into account the above complications is developed. The great potential of grooving studies for the analysis of microstructure evolution is emphasized.
© La Revue de Métallurgie, 2001
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