Abstract
Abnormal or discontinuous grain growth (sometimes called secondary recrystallization or exaggerated grain growth) is characterised by rapid growth of a limited amount of grains to sizes much larger than those of the average grain population. It is particularly likely to occur when normal grain growth is inhibited by the presence of impurities and pores (1). It may originate from many possible causes, such as a wide initial particle size distribution, a small amount of liquid phase, chemical heterogeneity, heterogeneous density distribution, intrinsic boundary properties (preferential grain boundary mobility) and others.
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Kunaver, U., Kolar, D. (1989). Computer Simulation and Experimental Analysis of Abnormal Grain Growth in BaTiO3 Ceramics. In: Uskoković, D.P., Palmour, H., Spriggs, R.M. (eds) Science of Sintering. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-0933-6_33
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DOI: https://doi.org/10.1007/978-1-4899-0933-6_33
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