Journal
MATERIALS LETTERS
Volume 163, Issue -, Pages 24-27Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2015.10.034
Keywords
Incoloy 800 H; Recrystallization; Grain boundary junctions; Grain boundary character distribution
Funding
- National Program on Key Basic Research Project [2011CB606306-2]
- China Scholarship Council [201406080064]
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The present research studied the grain boundary character distribution in Incoloy 800 H corresponding to two different post-deformation recrystallization mechanisms through uniaxial hot compression test and electron backscattering diffraction analysis. The results showed that the recrystallized grain size following metadynamic and static recrystallization was modestly larger than that from static recrystallization. Besides, two different mechanisms were responsible for the generation of Sigma 3(n) boundaries. In the static recrystallization samples, Sigma(3) regeneration was more active than new twinning formation. However, the new twinning would become predominant when metadynamic and static recrystallization took effect simultaneously. (C) 2015 Elsevier B.V. All rights reserved.
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