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|Title:||Plastic strain measurement in polypropylene using laser speckle technique|
|Authors:||Tay, C.J. |
|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.|
|Appears in Collections:||Staff Publications|
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