Temperature dependence of sensitization on tensile pre-strained AISI 304 stainless steels

Lv Jinlong, Luo Hongyun

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


With the increase of strain, the degree of sensitization of 304 stainless steels increased and desensitization did not occur in 240 h at 380 C. Although the stress relaxation appeared, the reversed transformation of strain-induced martensite was scarcely observed. Therefore, strain-induced α′- martensite could lead directly to increase of degree of sensitization. Unlike the sensitization at lower temperature, tensile pre-strain promoted desensitization in higher temperature at 575 C and 675 C. The higher the sensitization temperature was, the lower the degree of sensitization was. The higher temperature promoted reversed transformation of strain-induced α′-martensite and facilitated recovery and recrystallization of reversed transformed austenite, which resulted in decreased degree of sensitization.

Original languageEnglish
Pages (from-to)509-513
Number of pages5
JournalJournal of Alloys and Compounds
Publication statusPublished - 2014 Mar 5
Externally publishedYes


  • Corrosion
  • Dislocation
  • Heat treatment
  • Metal
  • Tension test

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry


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