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Title of Journal: Exp Mech

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Abbravation: Experimental Mechanics

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Springer US

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1741-2765

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Application of Digital Image Correlation DIC in

Authors: G Gao S Huang K Xia Z Li
Publish Date: 2014/03/05
Volume: 55, Issue: 1, Pages: 95-104
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Abstract

Notched semicircular bend NSCB specimen has been successfully used in fracture tests of brittle materials As a suggested method for measuring the dynamic fracture toughness of rocks by the International Society for Rock Mechanics ISRM this method only measures the fracture initiation toughness of the sample with given external load and geometrical parameters Using the digital image correlation DIC method combined with ultrahigh speed photography the objective of this paper is to measure more fracture parameters of the NSCB specimen loaded by a split Hopkinson pressure bar SHPB system The displacement and strain fields during the fracture propagation process were determined using DIC method The location of the crack tip the fracture initiation toughness and the fracture propagation toughness were subsequently calculated using the deformation fields Compared with the traditional NSCB tests the optical method of DIC provides much more information on the fracture propagation processThis work was supported by the National Basic Research Program of China under Grant 2010CB731503 and Grant 2013CB035904 K Xia’s research was partially supported by the Natural Sciences and Engineering Research Council of Canada NSERC through the Discovery Grant 72031326 G Gao was financially supported by the China Scholarship Council No 201206010226 during her visit at the University of Toronto

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Other Papers In This Journal:
  1. Internal Deformation Measurement of Polymer Bonded Sugar in Compression by Digital Volume Correlation of In - situ Tomography
  2. Dynamic Separation of Resistance Spot Welded Joints: Part II—Analysis of Test Results and a Model
  3. Hydrodynamic Interactions at Low Reynolds Number
  4. Impact of Experimental Uncertainties on the Identification of Mechanical Material Properties using DIC
  5. New Developments in Proton Radiography at the Los Alamos Neutron Science Center (LANSCE)
  6. A Tensile Split Hopkinson Bar for Testing Particulate Polymer Composites Under Elevated Rates of Loading
  7. Mechanical Properties of Ti-6Al-4V Selectively Laser Melted Parts with Body-Centred-Cubic Lattices of Varying cell size
  8. Hybrid Thermoelastic Stress Analysis of a Pinned Joint
  9. Experimental Testing of a Moving Force Identification Bridge Weigh-in-Motion Algorithm
  10. Sensitivity to Axial Stress of Electro-Mechanical Impedance Measurements
  11. Accuracy of the Sampling Moiré Method and its Application to Deflection Measurements of Large-Scale Structures
  12. Modification of the Shear-Compression Specimen for Large Strain Testing
  13. Analysis of Cracks and Deformations in a Full Scale Reinforced Concrete Beam Using a Digital Image Correlation Technique
  14. Slip Damping Mechanism in Welded Structures Using Response Surface Methodology
  15. Effect of Varying Test Parameters on Elastic–plastic Properties Extracted by Nanoindentation Tests
  16. Experimental Methodology for Studying Strain Heterogeneity with Microstructural Data from High Temperature Deformation
  17. Tailoring Beam Mechanics Towards Enhancing Detection of Hazardous Biological Species
  18. Strain Measurements Through Optimized Particle Tracking in Volumetric Images: Methodology and Error Assessment
  19. Comparison between Digital Fresnel Holography and Digital Image-Plane Holography: The Role of the Imaging Aperture
  20. Principle and Experimental Validation of a new Apparatus Allowing Large Deformation in Pure Bending: Application to thin Wire
  21. Dynamic Separation of Resistance Spot Welded Joints: Part I—Experiments
  22. Non-Newtonian Behavior of Ballistic Gelatin at High Shear Rates
  23. Designing a Uniaxial Tension/Compression Test for Springback Analysis in High-Strength Steel Sheets
  24. A Hybrid Wavelet Based–Approach and Genetic Algorithm to Detect Damage in Beam-Like Structures without Baseline Data
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