Plastic strain measurement in polypropyl
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C.J. Tay; C.M. Yap; H.M. Shang; T.E. Tay
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Article
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1995
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Elsevier Science
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English
β 349 KB
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 H i is proposed. Test results on polypropylene specimens subjected to uni-axial stretching sh