High-pressure torsion using ring specimens

Yosuke Harai, Yuki Ito, Zenji Horita

Research output: Contribution to journalArticle

118 Citations (Scopus)

Abstract

A facility is developed for high-pressure torsion (HPT) using ring samples and the results are compared with those of conventional disk HPT samples. With pure Al (99.99%), both types of HPT are consistent. When hardness values are plotted against equivalent strain, they fall on a single line having a maximum at a strain of ∼2 followed by a steady-state at a strain of ∼6 or more where hardness remains constant with straining.

Original languageEnglish
Pages (from-to)469-472
Number of pages4
JournalScripta Materialia
Volume58
Issue number6
DOIs
Publication statusPublished - Mar 1 2008

All Science Journal Classification (ASJC) codes

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

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