TITLE

Morphological Evolution of SCN Crystals in a Shear Flow

AUTHOR(S)
Reisi, Mehdi; Niroumand, Behzad; Shirani, Ebrahim
PUB. DATE
December 2014
SOURCE
Solid State Phenomena;2014, Vol. 217-218, p83
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Morphological evolution of a transparent model succinonitrile (SCN) material during solidification was investigated in an apparatus resembling a shearing-disc viscometer. The in situ microscopic observations showed that fragmentation decreased the average particles size, but did not result in transition of dendritic to spherical morphology. At low shear rates, the degenerated dendrites and at high shear rates, the pseudo-cluster morphology was observed. It was revealed that coarsening has the most important effect on the final morphology of solid particles. The quantitative influences of shearing rate and intensity on the size and morphology of solid crystals were also discussed based on the measurements on the microstructures.
ACCESSION #
98478923

 

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