Improvement of fatigue strength of stainless steel by using a cavitating jet with an associated water jet in water

Hitoshi Soyamaa, Mitsuhiro Mikami

Research output: Contribution to journalConference articlepeer-review

4 Citations (Scopus)

Abstract

Peening method using cavitation impacts have been developed. In this peening method, cavitation bubbles were generated by a cavitating jet. In order to increase peening intensity, a low speed water jet was injected around a cavitating jet, as the water jet swept away residual bubbles, which weaken the cavitation impact. In the present paper, improvement of fatigue strength of stainless steel by using a cavitating jet with an associated water jet was investigated compared with the results of conventional cavitating jet. It was concluded that the cavitating jet with an associated water jet can peen the stainless steel more effectively compared with the conventional cavitating jet.

Original languageEnglish
Pages (from-to)162-165
Number of pages4
JournalKey Engineering Materials
Volume353-358
Issue numberPART 1
Publication statusPublished - 2007
Externally publishedYes
EventAsian Pacific Conference for Fracture and Strength (APCFS'06) - Sanya, Hainan Island, China
Duration: 2006 Nov 222006 Nov 25

Keywords

  • Cavitation
  • Fatigue
  • Peening
  • Residual stress
  • Surface modification

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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