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Contact stresses in gelatin spheres under compressive die loading

Rosenthal, Andrew J.

Authors

Andrew J. Rosenthal andrew.rosenthal@nottingham.ac.uk



Abstract

Gelatin spheres have been used to model stress/strain behaviour of spherical foods (e.g. fruits) during compression testing. Photoelasticity reveals differences in stress distribution within gelatin spheres depending on the way in which the spheres are supported. Moreover, these methods of support appear to result in differences in the elastic modulus at higher levels of applied stress. If differences in the manner of support of model foods under compression result in variation in the stress distribution and moduli, then thought must be given to the way in which real foods are supported during quality and texture testing.

Citation

Rosenthal, A. J. (in press). Contact stresses in gelatin spheres under compressive die loading. Journal of Texture Studies, 47(6), https://doi.org/10.1111/jtxs.12196

Journal Article Type Article
Acceptance Date Apr 23, 2016
Online Publication Date May 26, 2016
Deposit Date Nov 4, 2016
Publicly Available Date Nov 4, 2016
Journal Journal of Texture Studies
Print ISSN 0022-4901
Electronic ISSN 1745-4603
Publisher Wiley
Peer Reviewed Peer Reviewed
Volume 47
Issue 6
DOI https://doi.org/10.1111/jtxs.12196
Keywords Compression testing, Fruit, Gel testing, Photoelasticity, Puncture test, Stress loading, Vegetable
Public URL http://eprints.nottingham.ac.uk/id/eprint/38479
Publisher URL http://onlinelibrary.wiley.com/doi/10.1111/jtxs.12196/abstract
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf
Additional Information This is the peer reviewed version of the following article: Rosenthal, A. J. (2016), Contact Stresses in Gelatin Spheres Under Compressive Die Loading. Journal of Texture Studies, 47: 457–460. doi:10.1111/jtxs.12196. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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