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Holographic measurement of thermal distortion during laser spot welding
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development.
Luleå University of Technology, Department of Engineering Sciences and Mathematics.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.ORCID iD: 0000-0003-4879-8261
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2012 (English)In: Optical Engineering: The Journal of SPIE, ISSN 0091-3286, E-ISSN 1560-2303, Vol. 51, no 3Article in journal (Refereed) Published
Abstract [en]

Welding distortion is an important engineering topic for simulation and modeling, and there is a need for experimental verification of such models by experimental studies. High-speed pulsed digital holography is proposed as a measurement technique for out-of-plane welding distortion. To demonstrate the capability of this technique, measurements from a laser spot weld are presented. A complete twodimensional deformation map with submicrometer accuracy was acquired at a rate of 1000 measurements per second. From this map, particular points of interest can be extracted for analysis of the temporal development of the final distortion geometry.

Place, publisher, year, edition, pages
2012. Vol. 51, no 3
National Category
Manufacturing, Surface and Joining Technology Applied Mechanics
Research subject
Manufacturing Systems Engineering; Experimental Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-10878DOI: 10.1117/1.OE.51.3.030501Local ID: 9c2d5f12-1aa9-4ef8-970c-caa818a3b92cOAI: oai:DiVA.org:ltu-10878DiVA: diva2:983826
Note
Validerad; 2012; 20120410 (ingeri)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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Eriksson, IngemarHaglund, PeterPowell, JohnSjödahl, MikaelKaplan, Alexander
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Product and Production DevelopmentDepartment of Engineering Sciences and MathematicsFluid and Experimental Mechanics
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