Improvement of fatigue strength of duralumin plate with a hole by a cavitating jet

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Abstract

Mechanical surface modification using a cavitating jet can be applied for improvement of fatigue strength of metallic materials. This surface modification is called as "cavitation peening". In the present paper, in order to investigate peening effect of geometry of target, fatigue strength of the plate with a hole was evaluated using a plate bending fatigue test. Tested specimen was made of duralumin. The residual stress of the specimen was measured by an X-ray diffraction method. It was revealed that the cavitating jet introduced compressive residua] stress inner wall surface and improved the fatigue strength of 3 8%.

Original languageEnglish
Title of host publicationBHR Group - 22nd International Conference on Water Jetting 2014
PublisherBHR Group Limited
Pages57-65
Number of pages9
ISBN (Electronic)9781634394437
Publication statusPublished - 2014
Event22nd International Conference on Water Jetting 2014: Advances in Current and Emerging Markets - Haarlem, Netherlands
Duration: 2014 Sept 32014 Sept 5

Publication series

NameBHR Group - 22nd International Conference on Water Jetting 2014

Conference

Conference22nd International Conference on Water Jetting 2014: Advances in Current and Emerging Markets
Country/TerritoryNetherlands
CityHaarlem
Period14/9/314/9/5

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