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Journal of Materials Science

, Volume 42, Issue 16, pp 6638–6641 | Cite as

Improvement of fatigue strength by using cavitating jets in air and water

  • H. Soyama
Article

Abstract

Peening method using cavitation impact at bubble collapse has been proposed. At the peening, cavitation bubble was normally generated by injecting a high-speed water jet into a water-filled chamber, i.e., a cavitating jet in water. In the present paper, the peening using a cavitating jet in air, which can generate the cavitation bubble without a water-filled chamber was investigated. It was revealed that the improvement of fatigue strength peened by the cavitating jet in air was better than that of the cavitating jet in water.

Keywords

Residual Stress Cavitation Fatigue Strength Compressive Residual Stress Cavitation Bubble 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringTohoku UniversitySendaiJapan

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