Effect of Overlapping of Peen Spots on Residual Stresses in Laser-Peened Aluminium Sheets

M. Burak Toparli; Michael E. Fitzpatrick

doi:10.1007/s11661-018-05100-0

Effect of Overlapping of Peen Spots on Residual Stresses in Laser-Peened Aluminium Sheets

M. Burak Toparli, Michael E. Fitzpatrick

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

In this study, two different laser peening systems were employed to investigate the effect of overlapping on the resulting residual stress fields. For each laser peening system, 2.0-mm-thick aluminium sheets were laser peened with different amounts of overlapping. The residual stresses after laser peening were measured by incremental hole drilling. It was shown for both laser peening systems, that an increase in amount of overlapping induced higher magnitude compressive and deeper residual stress fields.

Original language	English
Pages (from-to)	1109-1112
Number of pages	4
Journal	Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume	50
Issue number	3
Early online date	8 Jan 2019
DOIs	https://doi.org/10.1007/s11661-018-05100-0
Publication status	Published - 15 Mar 2019

ASJC Scopus subject areas

Condensed Matter Physics
Mechanics of Materials
Metals and Alloys

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abstract = "In this study, two different laser peening systems were employed to investigate the effect of overlapping on the resulting residual stress fields. For each laser peening system, 2.0-mm-thick aluminium sheets were laser peened with different amounts of overlapping. The residual stresses after laser peening were measured by incremental hole drilling. It was shown for both laser peening systems, that an increase in amount of overlapping induced higher magnitude compressive and deeper residual stress fields.",

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AB - In this study, two different laser peening systems were employed to investigate the effect of overlapping on the resulting residual stress fields. For each laser peening system, 2.0-mm-thick aluminium sheets were laser peened with different amounts of overlapping. The residual stresses after laser peening were measured by incremental hole drilling. It was shown for both laser peening systems, that an increase in amount of overlapping induced higher magnitude compressive and deeper residual stress fields.

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Effect of Overlapping of Peen Spots on Residual Stresses in Laser-Peened Aluminium Sheets

Abstract

ASJC Scopus subject areas

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