Recovery and recrystallization in ferritic stainless steel after large strain deformation

Andrey Belyakov, Y. Kimura, K. Tsuzaki

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

Recovery and recrystallization were studied in a Fe-22% Cr-3% Ni ferritic stainless steel processed by bar rolling/swaging at an ambient temperature. The annealing behaviour significantly depended on the preceding cold strain. The samples processed to relatively small strain of 2.0 did not show remarkable softening upon annealing at temperatures below 600 °C (0.5Tm), while the heating to higher temperatures resulted in the development of conventional primary (discontinuous) recrystallization leading to a rapid annealing softening. On the other hand, the annealing behaviour of the samples processed to strain of 4.4 was characterised by a continuous recrystallization involving a rapid polygonization followed by a normal grain growth that resulted in a gradual softening upon annealing at temperatures above 400 °C (0.38Tm). The continuously recrystallized microstructures consisted of much finer grains than those resulted from the discontinuous recrystallization.

Original languageEnglish
Pages (from-to)249-259
Number of pages11
JournalMaterials Science and Engineering A
Volume403
Issue number1-2
DOIs
Publication statusPublished - Aug 25 2005
Externally publishedYes

Fingerprint

ferritic stainless steels
Stainless Steel
Ferritic steel
Stainless steel
recovery
Annealing
Recovery
annealing
softening
swaging
polygonization
Swaging
Temperature
Grain growth
ambient temperature
Heating
microstructure
Microstructure
heating
temperature

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Recovery and recrystallization in ferritic stainless steel after large strain deformation. / Belyakov, Andrey; Kimura, Y.; Tsuzaki, K.

In: Materials Science and Engineering A, Vol. 403, No. 1-2, 25.08.2005, p. 249-259.

Research output: Contribution to journalArticle

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