Gibson, S., Tomlinson, R.A. and Jewell, G.W. (2006) Full-field pulsed magneto-photoelasticity – Experimental Implementation. Journal of Strain Analysis for Engineering Design, 41 (2). pp. 171-182. ISSN 0309-3247
Abstract
This paper contains a description of the experimental procedure employed when using a pulsed-magneto-polariscope (PMP) and some initial full-field through-thickness measurements of the stress distribution present in samples containing 3D stresses. The instrument uses the theory of magneto-photoelasticity (MPE), which is an experimental stress analysis technique that involves the application of a magnetic field to a birefringent model within a polariscope. MPE was developed for through-thickness stress measurement where the integrated through-thickness birefringent measurement disguises the actual stress distribution. MPE is mainly used in toughened glass where the through-thickness distribution can reduce its overall strength and so its determination is important. To date MPE has been a single-point 2D through-thickness measurement and the analysis time is prohibitive for the investigation of an area which may contain high localised stresses. The pulsed-magneto-polariscope (PMP) has been designed to enable the application of full-field 3D MPE [ ]. Using a proof-of concept PMP several experimental measurements were made, these were promising and demonstrate the potential of the new instrument. Further development of this technique presents several exciting possibilities including a tool for the measurement of the distribution of principal stress difference seen in a general 3D model.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | Copyright (c) 2006 Professional Engineering Publishing. Uploaded with permission from the publisher and in accordance with the publisher's self-archiving policy. |
Keywords: | Three-dimensional photoelasticity, residual stress measurement, toughened glass. |
Dates: |
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Institution: | The University of Sheffield |
Academic Units: | The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Mechanical Engineering (Sheffield) The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Electronic and Electrical Engineering (Sheffield) |
Depositing User: | Mr Christopher Hardwick |
Date Deposited: | 02 Nov 2009 12:54 |
Last Modified: | 15 Sep 2014 01:35 |
Published Version: | http://dx.doi.org/10.1243/03093247JSA93 |
Status: | Published |
Publisher: | Professional Engineering Publishing |
Refereed: | Yes |
Identification Number: | 10.1243/03093247JSA93 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:9207 |