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Title: Static grain growth in an austenitic stainless steel subjected to intense plastic straining
Authors: Tikhonova, M.
Belyakov, A.
Kaibyshev, R.
Keywords: technique
metal science
austenitic stainless steels
ultrafine grains
post-dynamic recrystallization
grain growth
Issue Date: 2014
Citation: Tikhonova, M. Static grain growth in an austenitic stainless steel subjected to intense plastic straining / M. Tikhonova, A. Belyakov, R. Kaibyshev // Materials Science Forum. - 2014. - Vol. 783-786.-P. 1021-1026.
Abstract: The post-dynamic recrystallization of an ultrafine grained 304-type austenitic stainless steel was studied during annealing at 800 and 1000°C for 7.5 to 480 minutes. The initial ultrafine grained microstructures have been developed by continuous dynamic recrystallization during isothermal multidirectional forging to a total strain of ~4 at temperatures ranging from 500 to 800°C. The post-dynamic recrystallization involves a rapid softening at early stage of annealing followed by a sluggish decrease of hardness upon further annealing. A transient recrystallization at early annealing stage results in somewhat heterogeneous microstructures in the samples subjected to previous deformation at relatively low temperatures of 500-600°C. This structural heterogeneity disappears with increasing the annealing time
Appears in Collections:Статьи из периодических изданий и сборников (на иностранных языках) = Articles from periodicals and collections (in foreign languages)

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