Cavitation erosion resistance of heat-treated NiTi

F. T. Cheng, P. Shi, Hau Chung Man

Research output: Journal article publicationJournal articleAcademic researchpeer-review

33 Citations (Scopus)

Abstract

NiTi (Ti-50.8 at.% Ni) specimens were solution-treated at 1000 °C, followed by aging between 200 and 600 °C. The cavitation erosion resistance of all the aged specimens in deionized water was improved relative to the solution-treated specimen, with a maximum increase of about 8.7 times, which was achieved by aging at 500 °C. The results also indicate that both austenite and martensite contribute to the high cavitation erosion resistance of NiTi. It is also shown that a simple macro-indentation test employing a Rockwell indenter may be used for preliminary screening of heat-treated NiTi with respect to cavitation erosion resistance.
Original languageEnglish
Pages (from-to)312-317
Number of pages6
JournalMaterials Science and Engineering A
Volume339
Issue number1-2
DOIs
Publication statusPublished - 2 Jan 2003

Keywords

  • Cavitation erosion
  • Heat treatment
  • Indentation profile
  • NiTi
  • Screening test

ASJC Scopus subject areas

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

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