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High-precision and Arbitrary Arranged Projection Moire System Based on an Iterative Calculation Model and the Self-calibration Method

期刊: EXPERIMENTAL MECHANICS, 2021; 61 (5)

Background As a full-field optical metrology, projection moire approach has been widely used in many engineering applications. The modeling of moire s......

Optimal Aperture and Digital Speckle Optimization in Digital Image Correlation

期刊: EXPERIMENTAL MECHANICS, 2021; 61 (4)

Background Digital image correlation (DIC) method is a non-interference and non-contact full-field optical measurement technology. DIC's measurement a......

Fluorescent 2D Digital Image Correlation With Built-in Coaxial Illumination for Deformation Measurement in Space-constrained Scenarios

期刊: EXPERIMENTAL MECHANICS, 2021; 61 (4)

Background An advanced two-dimensional digital image correlation (2D-DIC) using active imaging and telecentric imaging has been proposed to overcome t......

Virtual Field Characterization for Ratcheting Effect Under Cyclic Loading

期刊: EXPERIMENTAL MECHANICS, 2021; 61 (5)

Background Ratcheting is an important mechanical behavior of metals and alloys, which is caused by the repeated accumulations of tensile and compressi......

A Microwave Near-field 3D Super-resolution Imaging Method

期刊: EXPERIMENTAL MECHANICS, 2021; 61 (5)

Background Microwave imaging is widely used in many areas involving non-destructive testing, biomedical imaging, radar detection and imaging, etc. How......

Investigation of Thermal Gradient Mechanical Fatigue Test Methods for Nickel-based Superalloys

期刊: EXPERIMENTAL MECHANICS, 2021; 61 (3)

Background Temperature gradients significantly affect the material fatigue process. A reliable and robust test procedure is needed for quantifying the......

Real-time 3D Digital Image Correlation for Large Deformation and Rotation Measurements Based on a Deformation Transfer Scheme

期刊: EXPERIMENTAL MECHANICS, 2021; 61 (6)

Background With the recent increase in digital image correlation (DIC) applications, it is important to improve the computational efficiency of DIC an......

A Frequency Domain Error Model for Local 2D-DIC

期刊: EXPERIMENTAL MECHANICS, 2021; 61 (6)

Background Digital image correlation (DIC) has become a superior tool for surface deformation measurement so far. In order to improve its measurement ......

Micro-deformation Study of Stainless Steel Impacted by Ceramic Particle Using Electron Moire Method

期刊: EXPERIMENTAL MECHANICS, 2021; 61 (6)

Background High-velocity oxy-fuel (HVOF)-sprayed metallic coating can be used to create a surface layer that plays a significant role in enhancing the......

Quasi-Gauss Point Digital Image/Volume Correlation: a Simple Approach for Reducing Systematic Errors Due to Undermatched Shape Functions

期刊: EXPERIMENTAL MECHANICS, 2020; 60 (5)

In using subset/subvolume-based digital image/volume correlation (DIC/DVC), proper shape functions must be defined to depict the underlying displaceme......

Microelectromechanical Systems for Nanomechanical Testing: Electrostatic Actuation and Capacitive Sensing for High-Strain-Rate Testing

期刊: EXPERIMENTAL MECHANICS, 2020; 60 (3)

There have been relatively few studies on mechanical properties of nanomaterials under high strain rates, mainly due to the lack of capable nanomechan......

Experimental Procedure for Energy Dissipation Estimation during High-Cycle Fatigue Loading of Metallic Material

期刊: EXPERIMENTAL MECHANICS, 2020; 60 (5)

The fatigue failure process of metal is a complex energy exchange process accompanied by temperature evolution due to energy dissipation and heat tran......

Acoustic Emission Source Localization with Generalized Regression Neural Network Based on Time Difference Mapping Method

期刊: EXPERIMENTAL MECHANICS, 2020; 60 (5)

Acoustic emission (AE) source localization is a powerful detection method. Time Difference Mapping (TDM) method is an effective method for detecting d......

Real-time Detection of CMAS Corrosion Failure in APS Thermal Barrier Coatings Under Thermal Shock

期刊: EXPERIMENTAL MECHANICS, 2020; 60 (6)

Calcium-magnesium-alumina-silicate (CMAS) corrosion has been regarded as the most important factor that leads to the degradation of thermal barrier co......

An Indirect Experimental Measurement Method for Contact Length Identification in Non-conforming Frictionless Contact

期刊: EXPERIMENTAL MECHANICS, 2020; 60 (6)

Background: The non-conforming contact usually induce stress concentration as the interaction only occurs at a small interface. Theoretical and numeri......

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