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Combined Cryo and Room-Temperature Ball Milling to Produce Ultrafine Halide Crystallites

Verma, Akash and Biswas, Krishanu and Tiwary, Chandra Sekhar and Mondal, Amit Kumar and Chattopadhyay, Kamanio (2011) Combined Cryo and Room-Temperature Ball Milling to Produce Ultrafine Halide Crystallites. In: Metallurgical and Materials Transactions A, 42A (4). pp. 1127-1137.

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Abstract

The combined milling at cryogenic temperature as well as room temperature (RT) has been carried out to prepare ultrafine NaCl crystallites. The milling has been done in evacuated tungsten carbide vials backfilled with high-purity Ar. The results indicate the effect duration of cryomilling prior to RT milling has a strong effect on the final crystallite size. The deformation aided sintering of NaCl crystallites during RT milling and leads to the formation of bimodal distribution of crystallites. The cuboidal-shaped NaCl crystallite undergoes a roughening transition due to plastic deformation. The experimental results are explained using the temperature-dependent mechanical properties of NaCl single crystals and plastic-deformation-induced roughening.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Springer.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Depositing User: Id for Latest eprints
Date Deposited: 30 Mar 2011 08:29
Last Modified: 30 Mar 2011 08:29
URI: http://eprints.iisc.ac.in/id/eprint/36342

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