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Article
Photothermal radiometric detection and imaging of surface cracks
This paper discusses surface crack detection by photothermal radiometric imaging (PRI). In PRI, also called dynamic infrared scanning, a surface is scanned with a spot of heat. Imperfections are detected by ra...
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Article
The double-light-beam method in three-dimensional scattered-light photoelasticity
This paper presents a new scattered-light photoelasticity technique which may be called the double-light-beam measurement method. Principal-stress directions and relative retardations related to the principal-...
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Article
A Curvature-ovalization measurement apparatus for circular tubes under cyclic bending
In this paper, the authors report the design and construction of a new measurement apparatus, along with the result of its testing. This apparatus can be placed at the midspan of the circular tube specimen and...
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Article
Failure loads of spot weld specimens under impact opening and shear loading conditions
Failure loads of spot weld specimens are investigated under impact combined loading conditions. A set of test fixtures was designed and used to obtain failure loads of mild steel spot weld specimens under comb...
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Article
Upper limit of constant strain rates in a split Hopkinson pressure bar experiment with elastic specimens
The upper limit of the achievable constant strain rates in linearly elastic specimens loaded by a split Hopkinson pressure bar is estimated based on the specimen properties and a linear ramp loading. The crite...
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Article
Recent Progress in Digital Image Correlation
In this paper, we report the following important progress recently made in the basic theory and practical implementation of digital image correlation (DIC) for deformation measurement. First, we answer a basic...
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Article
Constitutive Model Calibration for Powder Compaction Using Instrumented Die Testing
Calibration procedures for constitutive models for powder compaction are presented. A practical calibration method based on a die compaction experiment is presented. A newly developed apparatus consisting of a...
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Chapter
Laser Machining and its Associated Effects
Laser machining has a wide range of industrial applications. However, laser energy can cause thermal damage to composite materials during the sha** operation following curing. Such damage leads to poor assem...
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Article
Characterization of Wire Rope Defects with Gray Level Co-occurrence Matrix of Magnetic Flux Leakage Images
Magnetic flux leakage (MFL) techniques are used extensively for non-intrusively detecting and characterizing wire rope defects. Traditionally, MFL signals are captured with induction coil sensors. However, the...
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Article
Digital Image Correlation with Self-Adaptive Gaussian Windows
A novel subpixel registration algorithm with Gaussian windows is put forward for accurate deformation measurement in digital image correlation technique. Based on speckle image quality and potential deformatio...
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Article
Stress-relaxation models of nano-HA/PVA gel biocomposites
Nanohydroxyapatite reinforced poly (vinyl alcohol) (nano-HA/PVA) gel composites have been proposed as a promising biomaterial to replace diseased or damaged articular cartilage. In this paper, the logarithmic ...
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Article
Fast, Robust and Accurate Digital Image Correlation Calculation Without Redundant Computations
High-efficiency and high-accuracy deformation analysis using digital image correlation (DIC) has become increasingly important in recent years, considering the ongoing trend of using higher resolution digital ...
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Article
High-Accuracy 2D Digital Image Correlation Measurements with Bilateral Telecentric Lenses: Error Analysis and Experimental Verification
By comparing two digital images of a test planar specimen surface recorded in different configurations, two-dimensional digital image correlation (2D-DIC) provides full-field displacements to sub-pixel accurac...
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Reference Work Entry In depth
Nonlinear Fracture Models of Magnetoelectroelastic Media
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Reference Work Entry In depth
Extended Displacement Discontinuity Boundary Integral Equation Method for Analysis of Cracks in Smart Materials
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Reference Work Entry In depth
Cracks in Transversely Isotropic and Inhomogeneous Elastic Solids
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Reference Work Entry In depth
Minimization of Welding Distortions
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Reference Work Entry In depth
Welding of Large Structures
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Article
Diffraction-Assisted Image Correlation for Three-Dimensional Surface Profiling
The recently developed Diffraction-Assisted Image Correlation (DAIC) method (**a et al. Exp Mech 53(5):755–765, 2013) provides a simple and accurate means for three-dimensional (3D) full-field deformation measure...
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Article
Comparison of Subset-Based Local and Finite Element-Based Global Digital Image Correlation
Digital image correlation (DIC) techniques require an image matching algorithm to register the same physical points represented in different images. Subset-based local DIC and finite element-based (FE-based) g...