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Elsevier, Scripta Materialia, 7(44), p. 1089-1093

DOI: 10.1016/s1359-6462(01)00655-8

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The effects of dislocations and grain boundaries on the coarsening of Al4C3 dispersoids at 600°C in two mechanically alloyed Al-Ti-O-C based materials

Journal article published in 2001 by I. C. Barlow, H. Jones, W. M. Rainforth ORCID
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

The thermal stability at elevated temperatures of mechanically alloyed (MA) aluminum alloys depends on the resistance to coarsening of fine dispersed intermetallic (Al3Ti) or ceramic particles (Al2O3 and Al4C3. Earlier reports coarsening results for Al4C3 dispersoids in MA Al-0.25wt%C-10vol%TiO2 at 600 degree Celcius for times up to 1500h. Other reports of Al4C3 size measurements in such materials after heat treatment contain minimal information. These results are compared with results for MA Al-0.35wt%Li-1wt%Mg-0.25wt%C-10vol%TiO2. The reasons for the differences in coarsening behavior of Al4C3 are identified.