"Mushy-Zone Rayleigh Number to Describe Macrosegregation and Channel Se" by Surendra N. Tewari, R. Tiwari et al.
 

Document Type

Article

Publication Date

9-2004

Publication Title

Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science

Abstract

A recently defined mushy-zone Rayleigh number (R-aM) that includes side-branching contributions to the mushy-zone permeability has been examined for its correlation with the longitudinal macrosegregation and channel segregate formation. The Rayleigh number shows (1) a strong correlation between the extent of longitudinal macrosegregation and increase in the mushy-zone convection and (2) a good ability to predict the formation of channel segregates during directional solidification.

Original Citation

Tewari, S.N., Tiwari, R., & Magadi, G. (2004). Mushy-Zone Rayleigh Number to Describe Macrosegregation and Channel Segregate Formation During Directional Solidification of Metallic Alloys. Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science 35A, 2927-2934.

Volume

35A

Issue

9

DOI

10.1007/s11661-004-0240-3

Version

Publisher's PDF

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