Title: Development of recrystallization texture in IF-steel: An effort to explain developments in global texture from microtextural studies
Authors: Samajdar, Indradev ×
Verlinden, Bert
Van Houtte, Paul #
Issue Date: May-1998
Publisher: Pergamon-elsevier science ltd
Series Title: Acta Materialia vol:46 issue:8 pages:2751-2763
Abstract: Development of the recrystallization texture in IF-steel was studied by global (X-ray diffraction) and local orientation measurements. While the X-ray orientation distribution functions (ODF) provided an overall picture of the textural changes, orientation imaging microscopy (OIM) results narrowed these to the respective changes in deformed and recrystallized regions. Globally, a gradual increase in the gamma-fibre (ND parallel to(111)) was observed to coincide with a corresponding decrease in the alpha-fibre (RD parallel to(110)) until 70% recrystallization; the rates were relatively faster during 70-96% recrystallization. During recrystallization, some of the alpha-regions/bands were consumed, while remaining alpha-regions were observed to coarsen noticeably. This may reduce the rate of alpha-fibre decay, as consumption of some of the alpha-regions may get partially compensated by coarsening in others. After a certain amount of recrystallization (possibly 70% in our case), the alpha-regions may not coarsen any further and the decay may become faster. OIM observations also showed preferential nucleation of gamma grains, although globally no growth advantage for gamma was observed. An effort was made to estimate nucleation factors (defined as the number of grains of i orientation per i band, as measured/estimated along normal direction) for different orientations. Estimated nucleation factors not only provided an overall picture of the preferential nucleation, but possibly explained the slight strengthening in gamma-fibre recrystallization texture with increased annealing temperature. (C) 1998 Acta Metallurgica Inc.
ISSN: 1359-6454
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physical Metallurgy and Materials Engineering Section (-)
Mechanical Metallurgy Section (-)
× corresponding author
# (joint) last author

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