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Measuring shot peening media velocity by indent size comparison
KTH, School of Engineering Sciences (SCI), Solid Mechanics (Dept.). Scania CV AB, Sweden.
KTH, School of Engineering Sciences (SCI), Solid Mechanics (Dept.).
2016 (English)In: Journal of Materials Processing Technology, ISSN 0924-0136, E-ISSN 1873-4774, Vol. 235, 143-148 p.Article in journal (Refereed) PublishedText
Abstract [en]

Shot peening is a manufacturing method that makes indentations on a components surface by impacting it with small steel balls (media). In a production environment the shot peening process is usually controlled by defining media size, coverage and Almen intensity. For simulating shot peening, the media velocity is needed and therefore it must be measured or correlated to the Almen intensity. This paper details a method to record indentations on a test plate and then compare them to single shot indentations with measured velocities. For small media sizes the results are in reasonable agreement with other published results but at larger sizes there is a larger spread in published results. It is therefore recommended that the media velocity is either measured directly or that the indents are analysed as presented in this paper.

Place, publisher, year, edition, pages
Elsevier, 2016. Vol. 235, 143-148 p.
Keyword [en]
Shot peening, Media velocity, Almen intensity, Impact, Indentation
National Category
Reliability and Maintenance
URN: urn:nbn:se:kth:diva-189650DOI: 10.1016/j.jmatprotec.2016.04.012ISI: 000377922800016ScopusID: 2-s2.0-84973364532OAI: diva2:949065

QC 20160715

Available from: 2016-07-15 Created: 2016-07-11 Last updated: 2016-09-07Bibliographically approved

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