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A Digital Image Correlation System

A digital image correlation system

A digital image correlation system employs two high definition cameras to measure surface deformations of materials, components and members under loadings. Through an optical digital programming and real-time operation, the change of the strain field can be accurately measured. The system is also equipped with a large capacity hard disk, which allows 10 Hz frequency filming to record deformations and relative strain changes.

Strain field measurement on a standard tensile test

Address: Chinese National Engineering Research Centre for Steel Construction (Hong Kong Branch) The Hong Kong Polytechnic University, Phase 8, Hung Hom, Kowloon, Hong Kong.
+852 3400 8451
cnerc.steel@polyu.edu.hk

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