Reactive diffusion in the roll bonded iron–aluminum system

Jindal, Vikas and Srivastava, V C and Das, Arpan and Ghosh, R N (2006) Reactive diffusion in the roll bonded iron–aluminum system. Materials Letters, 60 (13-14). pp. 1758-1761.

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The diffusion-controlled growth of iron aluminide (Fe2Al5) was studied on bulk Fe–Al solid state diffusion couples annealed for 10–90 min at 773–873 K. The layer growth kinetics was parabolic. The parabolic growth constants of the second kind for the exclusive growth of Fe2Al5 from the adjacent phases were calculated from the measurement on the Fe–Al diffusion couples. The rate constants of the second kind were in turn related to the diffusion properties of the aluminide. As a result, the interdiffusion coefficient, taking into account the diffusion of both elements, was obtained for Fe2Al5 phase. The resulting activation energy was 84.9 kJ mol− 1.

Item Type:Article
Official URL/DOI:
Uncontrolled Keywords:Kinetics; Diffusion; Heat treatment; Intermetallic alloys and compounds
Divisions:Material Science and Technology
ID Code:592
Deposited By:Sahu A K
Deposited On:01 Jun 2010 15:21
Last Modified:03 Jan 2012 11:11
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