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Application of the Method of Digital Image Correlation to the Construction of Stress–Strain Diagrams

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Materials Science Aims and scope

We plot the conditional and true stress-strain diagrams for 65G steel according to the standard procedure and by the method of digital image correlation. It is shown that the accumulated results are in good agreement. It is established that the local strains measured by the method of digital image correlation on small measurement bases can be much higher than the ultimate true elongation of the material. We also propose a criterion for choosing the optimal base of strain measurements from the viewpoint of construction of stress-strain diagrams.

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Authors and Affiliations

  1. Karpenko Physicomechanical Institute, Ukrainian National Academy of Sciences, Lviv, Ukraine

    Yu. V. Molˈkov

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  1. Yu. V. Molˈkov
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Correspondence to Yu. V. Molˈkov.

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Translated from Fizyko-Khimichna Mekhanika Materialiv, Vol. 48, No. 6, pp. 121–125, November–December, 2012.

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Molˈkov, Y.V. Application of the Method of Digital Image Correlation to the Construction of Stress–Strain Diagrams. Mater Sci 48, 832–837 (2013). https://doi.org/10.1007/s11003-013-9576-4

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  • DOI: https://doi.org/10.1007/s11003-013-9576-4

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