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A Study of The Kinetics of Dissolution of Titanium Solid in Molten Aluminium.

MacKowiak, Jozef. (1958) A Study of The Kinetics of Dissolution of Titanium Solid in Molten Aluminium. Doctoral thesis, University of Surrey (United Kingdom)..

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During a study of the Ti(s)-Al(1) system it was discovered that the interaction layers produced an unusual cruciform pattern which had been observed previously only in the Fe(s)-Zn(l) system. A systematic study of the kinetics of dissolution of Ti and growth of interaction layers has been made using Ti and different alloys of Ti under varying conditions of temperature and time. The results have been interpreted by the Arrhenius equation and the Arrhenius energies of activation and constants have been evaluated. The interaction layers have been studied using metallographic, X-ray, microhardness and spectrographic techniques. The kinetics have been studied by the non-continuous method developed in this study and by a modified dilatometric method which has made possible an uninterrupted study of the growth rates of the interaction layers. The influence of dilution of Ti(s) with Al on the isothermal rates of dissolution has been investigated and the contribution of Ti to the overall order of reaction has been evaluated. The results obtained in the present work appear to be consistent with a proposed modified theory of the kinetics of simple chemical reactions. A detailed mechanism has been postulated of the dissolution of in Al(l) with the consequent formation of a cruciform pattern.

Item Type: Thesis (Doctoral)
Divisions : Theses
Authors :
MacKowiak, Jozef.
Date : 1958
Contributors :
Additional Information : Thesis (Ph.D.)--University of Surrey (United Kingdom), 1958.
Depositing User : EPrints Services
Date Deposited : 22 Jun 2018 15:15
Last Modified : 06 Nov 2018 16:54

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