Effects of structural heterogeneity of nanostructured copper on the evolution of the sizes of recrystallized grains during annealing

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Abstract

Recrystallization in copper deformed by dynamic plastic deformation was investigated using electron backscatter diffraction. The recrystallized grains show a broad size distribution. The kinetics of grains of different sizes is observed to be different: In the beginning of recrystallization, the area fraction of small recrystallized grains increases rapidly. At later stages of recrystallization, the area fraction of small recrystallized grains is stable, while the area fractions of medium and large recrystallized grains increase. Correlation between the broad grain size distribution (and its evolution) and the heterogeneous deformed microstructure is discussed.
Original languageEnglish
Article number012033
JournalI O P Conference Series: Materials Science and Engineering
Volume89
Number of pages8
ISSN1757-8981
DOIs
Publication statusPublished - 2015
Event36th Risø International Symposium on Materials Science - DTU Risø Campus, Roskilde, Denmark
Duration: 7 Sep 201511 Sep 2015
Conference number: 36

Conference

Conference36th Risø International Symposium on Materials Science
Number36
LocationDTU Risø Campus
CountryDenmark
CityRoskilde
Period07/09/201511/09/2015

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