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{001}〈120〉−{113}〈361〉 recrystallization textures induced by initial {001} grains and related microstructure evolution in heavily rolled electrical steel

Zhang, Ning ; Yang, Ping ; Mao, Weimin

Materials characterization, 2016-09, Vol.119, p.225-232 [Periódico revisado por pares]

Elsevier Inc

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  • Título:
    {001}〈120〉−{113}〈361〉 recrystallization textures induced by initial {001} grains and related microstructure evolution in heavily rolled electrical steel
  • Autor: Zhang, Ning ; Yang, Ping ; Mao, Weimin
  • Assuntos: Cube texture ; Deformation ; Electrical steel ; Electrical steels ; Grains ; Microstructure ; Nucleation ; Recrystallization ; Surface layer ; Texture
  • É parte de: Materials characterization, 2016-09, Vol.119, p.225-232
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: This study investigates the origin of {001}〈120〉–{113}〈361〉 recrystallization textures in heavily rolled electrical steel. Initial cube and {001}〈120〉 grains contribute to strong {001}〈120〉–{113}〈361〉 recrystallization textures. Investigations on {001} columnar grains link recrystallization behavior to initial orientations, and the orientations of new {001}〈120〉–{113}〈361〉 grains are related to crystal rotation routes during deformation. Initial cube grains lead to fine nuclei showing strong {001}〈120〉 texture component, whereas {001}〈110〉 grains cause uniformly deformed microstructure and negligible nucleation. For initial {001}〈120〉 grains, the nucleation priority of both {001}〈120〉 and {113}〈361〉 grains are obtained in deformed {001}–{112}〈110〉 areas, and these recrystallized grains are larger than those induced by initial cube grains. In addition to the {001}〈120〉–{113}〈361〉 nucleation advantage owing to initial cube and {001}〈120〉 grains, {113}〈361〉 grains show size advantage and strengthen {113}〈361〉 texture. Regarding Hi-B grain-oriented electrical steel samples, {001} grains in annealed hot bands illustrate deformation and recrystallization behaviors similar to those of columnar grains. Preferred {001}〈120〉–{113}〈361〉 nucleation and coarse {001}〈120〉–{113}〈361〉 recrystallized microstructure show the effect of initial {001}〈120〉 grains to high extent, and these coarse recrystallized grains negatively affect the secondary recrystallization of Goss grains. •Preferred {h,h,l}<1,2,h/l> nucleation occurs in initial {001} grains diversely.•{001} grains lead to coarse {h,h,l}<1,2,h/l> recrystallized microstructure.•Other possible origins of {h,h,l}<1,2,h/l> recrystallized grains are discussed.
  • Editor: Elsevier Inc
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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