Chapter 2

Chill-Block Melt Spin Technique

M. Kamal and Usama S. Mohammad


Chill-Block Melt Spin (CBMS) technique is the most important rapid solidification process because of its low-costs and flexibility compared to other technologies such as drop tubes and atomization rapid solidification. Mathematical analysis with experiments have revealed that thermal transport is the predominant over momentum transport for ribbon formation and substrate nature and speed control the cooling rates. Microstructural anatomy of the melt-spun ribbons shows a scale-up in the grain size from the wheel side towards the ribbon upper free surface with clear effect of convection-induced instabilities that affect the local cooling rates and microstructures for near Newtonian cooling conditions.

Total Pages: 42-69 (28)

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