Abstract
In the current investigation, sintered molybdenum specimens with random textures were deformed in compression in a deformation dilatometer over a range of temperatures from 0.44T M [K] to 0.61T M [K] and true strains between φ = 0.3 and 0.92. Subsequent annealing treatments were carried out in the dilatometer in order to study static recrystallization phenomena. Electron backscatter diffraction scans of deformed and recrystallized specimens revealed that the microstructure after hot deformation is a recovered structure with two remarkably strong orientation components, 〈111〉 parallel to the loading direction exhibiting a high Taylor factor and 〈100〉 parallel to the loading direction with a low one. The fraction of the first component increases with lowering the deformation temperature, while static recrystallization leads to a higher fraction of the second component. The late-stage recrystallization behavior is sluggish due to a high amount of recovery. The results are discussed employing models for textural evolution in body-centered cubic (bcc) metals on the one hand and recrystallization of high-stacking-fault energy materials on the other.
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Primig, S., Leitner, H., Knabl, W. et al. Textural Evolution During Dynamic Recovery and Static Recrystallization of Molybdenum. Metall Mater Trans A 43, 4794–4805 (2012). https://doi.org/10.1007/s11661-012-1291-5
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DOI: https://doi.org/10.1007/s11661-012-1291-5