Atomic force microscopy of induction- and furnace-heating-tempered prestressed steels with different delayed fracture properties

M. Hayakawa, S. Matsuoka, K. Tsuzaki, H. Hanada, M. Sugisaki

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Quantitative microstructure analyses by atomic force microscopy and delayed fracture tests were performed for two types of prestressed steel with a tensile strength of 1470 MPa. Size distributions of cementite particles were measured to characterize the relationship between microstructures and delayed fracture properties. This method superimposed two AFM images of the same area: one of an electropolished surface that showed carbides and blocks and the other of a picric acid-etched surface in which prior δ grain boundaries were selectively etched.

Original languageEnglish
Pages (from-to)655-661
Number of pages7
JournalScripta Materialia
Volume47
Issue number10
DOIs
Publication statusPublished - Nov 1 2002
Externally publishedYes

All Science Journal Classification (ASJC) codes

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

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