Deformation behavior of a fine-grained 304 stainless steel using micro-sized specimens

G. P. Zhang, K. Takashima, M. Shimojo, Y. Higo

Research output: Contribution to journalArticlepeer-review


In an attempt to evaluate deformation mechanism of fine-grained materials, the deformation behavior of the fine-grained austenitic stainless steel was studied using micro-sized specimens. Two kinds of deformation mechanisms corresponding to different strain-hardening stages were found in the fine-grained austenitic stainless steel. The intragranular dislocation slip mechanism resulted in a rapid strain hardening of the stage I. The deformation incompatibility near grain boundaries and the appearance of roughness on the specimen surface were attributed to interactions between dislocations and grain boundaries. With increasing plastic strain, the grain boundary sliding mechanism at the stage II and subsequently intergranular cracking occurred.

Original languageEnglish
Pages (from-to)298-303
Number of pages6
JournalInternational Journal of Materials and Product Technology
Issue numberSPEC. ISS. VOL.1
Publication statusPublished - 2001
Externally publishedYes


  • Deformation
  • Fine grains
  • Micro-sized specimen
  • Stainless steel

ASJC Scopus subject areas

  • Safety, Risk, Reliability and Quality
  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering


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