Static recrystallisation and recrystallisation during hot deformation of Al–1Mg–1Mn alloy
Authors: Castro-Fernández, F. R.; Sellars, C. M.
Source: Materials Science and Technology, Volume 4, Number 7, July 1988 , pp. 621-627(7)
Publisher: Maney Publishing
Abstract:Plane strain compression tests at 5 s−1 and at temperatures of 270–480°C have been carried out on an Al–1Mg–1Mn alloy containing a bimodal distribution of intermetallic particles and after a prior heat treatment to coarsen all particles to greater than 1 μm in size. During the heat treatment, recrystallisation of the initially hot worked material only proceeded with coarsening of the fine particles. During subsequent hot deformation, thin foil electron microscopy revealed that identical subgrain structures were developed in the two materials by dynamic recovery at temperatures below 450°C. At higher temperatures, the initially recrystallised material showed localised particle stimulated dynamic recrystallisation. The subsequent static recrystallisation rate was more than 103 times faster in the material free from small particles.
Document Type: Research Article
Publication date: 1988-07-01
Authors wishing to cite fast track papers should give the journal name and the article DOI. This will enable reference linking via CrossRef and allow forward and backward citation tracking systems to associate the fast track citation with the final journal reference.Materials Science and Technology is the successor of two previous titles, for which digitised archives are available: Metal Science (Vols. 1—17; 1967—84) and Metals Technology (Vols. 1—11; 1974—84).
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