Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/92770
Title: Plastic strain measurement in polypropylene using laser speckle technique
Authors: Tay, C.J. 
Yap, C.M.
Shang, H.M. 
Tay, T.E. 
Issue Date: 15-Jan-1995
Source: Tay, C.J.,Yap, C.M.,Shang, H.M.,Tay, T.E. (1995-01-15). Plastic strain measurement in polypropylene using laser speckle technique. Journal of Materials Processing Tech. 48 (1-4) : 307-313. ScholarBank@NUS Repository.
Abstract: This paper presents a laser speckle technique and a computer based image processing system for strain measurement in plastics. A new correlation parameter, the Integrated Peak Spectral Intensity Coefficient H1 is proposed. Test results on polypropylene specimens subjected to uni-axial stretching show a correlation between the Integrated Peak Spectral Intensity Coefficient H1 and strain. The advantages of this method are its non-contacting nature, absence of gauge marks, no limitation on specimen design and it enables measurement of plastic strains of up to 40%. © 1995.
Source Title: Journal of Materials Processing Tech.
URI: http://scholarbank.nus.edu.sg/handle/10635/92770
ISSN: 09240136
Appears in Collections:Staff Publications

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