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January 24, 2010 | History

Characterization of carbons and its application to mold powder technology 1 edition

Characterization of carbons and its application to mold powder technol ...
Danny Rao Pratap Singh

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Characterization of carbons and its application to mold powder technology.

Published 2005 .
Written in English.

About the Book

The quality of steel produced by continuous casting is strongly dependent on the performance of mold powders. Mold powders govern the steel production in terms of production rate, cleanliness, surface condition, defects and environment of casting operation. Melting behaviour of mold powders is one of the most important performance parameters for mold fluxes and is mainly dependent on carbon, which is an essential constituent of mold fluxes. The following study establishes the effect of carbon structure and morphology on the melting behaviour of mold fluxes. This has been achieved by characterizing carbon of its structure and reactivity and relating it to the melting rate of mold powders. The reactivities of carbons were studied in a new light. Carbons are considered to be composed of two materials-amorphous carbon and crystalline carbon and hence they should possess two separate activation energies. Carbon blacks have lately attracted considerable attention for use in mold powders due to fine size. As a result a study was conducted to see the effect of particle size of various carbon blacks on the melting rate of mold powders. The melting behaviour is also studied as a function of composition by using the concept of optical basicity.

Edition Notes

Source: Masters Abstracts International, Volume: 44-02, page: 1034.

Thesis (M.A.Sc.)--University of Toronto, 2005.

Electronic version licensed for access by U. of T. users.

GERSTEIN MICROTEXT copy on microfiche (2 microfiches).

The Physical Object

100 leaves.
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December 11, 2009 Created by WorkBot add works page