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|Type:||Artigo de evento|
|Title:||Back Diffusion During Zone Melting Of Metallurgical Silicon|
|Abstract:||As the silicon melting point is very high (1414 °C), the temperature in the solid fraction, near the interface solid/liquid during solidification is also high and this can provoke a solute redistribution in the solidified portion. This phenomena is called "back diffusion". So, it is important to estimate the potential of back diffusion during the solidification processes. This calculation is complex and there is commercial software, such as DICTRA, to do this in binary alloys. For zone melting, a simple method to predict the extension of the back diffusion is not available. In this study, it was developed a simple method to evaluate the back diffusion during zone melting, which does not require computational calculation. © (2012) Trans Tech Publications.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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