Recent advances in experimental mechanics : in honor of Isaac M. Daniel ; [papers presented at the symposium on Recent Advances in Experimental Mechanics on june 23-28, 2002

This book contains 71 papers presented at the symposium on “Recent Advances in Experimental Mechanics” which was organized in honor of Professor Isaac M. Daniel. The symposium took place at Virginia Polytechnic Institute and State University on th June 23-28, 2002, in conjunction with the 14 US National Congress of Applied Mechanics. The book is a tribute to Isaac Daniel, a pioneer of experimental mechanics and composite materials, in recognition of his continuous, original, diversified and outstanding contributions for half a century. The book consists of invited papers written by leading experts in the field. It contains original contributions concerning the latest developments in experimental mechanics. It covers a wide range of subjects, including optical methods of stress analysis (photoelasticity, moiré, etc.), composite materials, sandwich construction, fracture mechanics, fatigue and damage, nondestructive evaluation, dynamic problems, fiber optic sensors, speckle metrology, digital image processing, nanotechnology, neutron diffraction and synchrotron radiation methods. The papers are arranged in the following nine sections: Mechanical characterization of material behavior, composite materials, fracture and fatigue, optical methods, n- destructive evaluation, neutron diffraction and synchrotron radiation methods, hybrid methods, composite structures, and structural testing and analysis. Front Matter....Pages i-xlvi Front Matter....Pages 1-1 Hopkinson Techniques for Dynamic Triaxial Compression Tests....Pages 3-12 Asymptotic Scaling of Gradient Theory of Micro-scale Plasticity of Metals....Pages 13-18 The Role of Pressure in the Behavior of Time-dependent Materials....Pages 19-30 High Strain Rate Testing of Sandwich Core Materials....Pages 31-42 Development of a Shear Test for Low Modulus Foam Materials....Pages 43-54 Indentation of a PVC Cellular Foam....Pages 55-64 Nanomanipulation and Characterization of Individual Carbon Nanotubes....Pages 65-74 Quasi-static and Dynamic Torsion Testing of Ceramic Micro and Nano-structured Coatings Using Speckle Photography....Pages 75-84 Front Matter....Pages 85-85 Measured Response: State Variables for Composite Materials....Pages 87-98 On the Modeling of the Mechanical Properties of Composite Materials at High Strain Rates....Pages 99-108 Damage Quantification in Metal Matrix Composites....Pages 109-120 Study of Damage in Particulate Composites....Pages 121-132 Hygric Characterization of Composite Laminates....Pages 133-144 Pneumatic Behavior of Composite Materials....Pages 145-152 The Effect of Specimen Size on the Compressive Strength of Carbon Fibre-epoxy Laminates....Pages 153-162 Interfacial Strength and Toughness Characterization Using a Novel Test Specimen....Pages 163-174 A Model for the Accurate Prediction of the Residual Strength after Damage Due to Impact and Erosion of FRPs....Pages 175-184 Front Matter....Pages 185-185 The Origin and Inception of Fatigue in Steel — A Probabilistic Model....Pages 187-196 Fatigue Damage Tolerant Analysis Using the Fatigue Damage Map....Pages 197-208 Crack Growth Behavior and SIF’s as Observed by Optical Methods....Pages 209-216 Front Matter....Pages 185-185 A Model for Failure Initiation in Ductile Materials....Pages 217-224 Crack Paths in Adhesive Bonds....Pages 225-234 Experimental Determination of Fracture Parameters for Predicting Crack Growth in Viscoelastic Polymers....Pages 235-244 Failure of Spot Weld: A Competition between Crack Mechanics and Plastic Collapse....Pages 245-256 Investigating the Effects of Specimen Thickness and Pressure on the Crack Growth Behavior of a Particulate Composite Material....Pages 257-266 Dynamic Fracture Experiments Using Point Impact....Pages 267-274 Experimental and Numerical Investigation of Shear-dominated Intersonic Crack Growth and Friction in Unidirectional Composites....Pages 275-288 Front Matter....Pages 289-289 Moiré Interferometry—Past, Present and Future....Pages 291-302 Optical Fibre Bragg Grating Sensors in Experimental Mechanics of Composite Laminated Plates....Pages 303-314 Optoelectronic Displacement Measurement Method for Rotating Disks....Pages 315-324 Deformation Measurement of Sheet Metal Forming Using Photogrammetry....Pages 325-334 Fracture Processes of Quasi-brittle Materials Studied with Digital Image Correlation....Pages 335-344 On the Use of Different Wavelengths to Digitally Determine the Isochromatic Fringe Order....Pages 345-352 The Application of Speckle Metrology to Heart Mechanics....Pages 353-364 Front Matter....Pages 365-365 Line Focus Acoustic Microscopy for Thin-film Measurements....Pages 367-380 Recent Advances in Acoustography-based NDE....Pages 381-388 Experimental Limitations to Guided Wave Generation in Elastic Materials....Pages 389-396 Nondestructive Testing Using Shearography....Pages 397-408 Theoretical and Experimental Study of Laser-ultrasonic Signal Characteristics Enhanced by Wetting the Surface....Pages 409-420 Defect Detection by the Scattering Analysis of Flexural Waves....Pages 421-432 Front Matter....Pages 365-365 Evaluation of Fiber Waviness in Thick Composites by Ultrasonic Test....Pages 433-442 Development of a Dry-contact Ultrasonic Technique and Its Application to NDE of IC Packages....Pages 443-454 Front Matter....Pages 455-455 High-resolution Neutron Diffraction Techniques for Strain Scanning....Pages 457-466 Draft Standard for the Measurement of Residual Stresses by Neutron Diffraction....Pages 467-476 Microstresses Determined by Neutron Diffraction and Self-consistent Model....Pages 477-486 Residual Stress Measurements at the Metal/Ceramic Interface Using Modelling of Neutron Diffraction Spectrometer....Pages 487-494 Elastoplastic Deformation of Two Phase Steels Studied by Neutron Diffraction and Self-consistent Modelling....Pages 495-506 Residual Stresses and Elastic Constants in Thermal Deposits....Pages 507-514 Neutron Diffraction Assisted Residual Stress Analysis in Welded Structures....Pages 515-526 Synchrotron Radiation in-Situ Analyses of AA 6061+Al 2 O 3 during Tensile Deformation at Ambient and Elevated Temperature....Pages 527-534 Front Matter....Pages 535-535 Reflections on the Importance of Experimental Results to All Mechanicists, Especially Theoreticians....Pages 537-550 Mixed Numerical-experimental Techniques: Past, Present and Future....Pages 551-560 A Moiré-FE Method for Internal CTOA Determination....Pages 561-570 Patterns of Modern Experimental Mechanics....Pages 571-584 Inverse Methods in Experimental Mechanics....Pages 585-594 Complex Stiffness Identification by Inverse Methods....Pages 595-608 Considerations of a Flutter Prediction Methodology Using a Combined Analytical-experimental Procedure....Pages 609-618 Displacement-based Smoothing Hybrid Finite-element Representation for Stress Analyzing Perforated Composites....Pages 619-628 Front Matter....Pages 629-629 Future Experimental Methods Needed to Verify Composite Life-cycle Simulations....Pages 631-644 Experimental Observations on the Delamination Behavior in Composite Structures....Pages 645-660 Front Matter....Pages 629-629 Direct Identification of Elastic Properties of Composite Structures — A Wave-controlled Impact Approach....Pages 661-670 Static Behaviour of Pre-stressed Polymer Composite Sandwich Beams....Pages 671-682 On Debond Failure of Foam Core Sandwich....Pages 683-688 Core Crush Mechanisms and Solutions in the Manufacturing of Sandwich Structures....Pages 689-700 Displacement Fields Around a Circular Hole in Composite Laminates....Pages 701-712 Front Matter....Pages 713-713 Recent Advances in Long-term Monitoring of Bridges....Pages 715-726 An Experimental Mechanics Approach to Structural Health Monitoring for Civil Aircraft....Pages 727-736 Smart Structures Application to Airworthiness and Repair....Pages 737-748 Experimental Investigation of Shrinkage Strains in Multilayered Stereolithography Parts....Pages 749-756 Suppression of Dimpling in Sheet Metal Parts Formed on Discrete Tooling....Pages 757-768 Effect of Loading Rate and Geometry Variation on the Dynamic Shear Strength of Adhesive Lap Joints....Pages 769-780 Back Matter....Pages 781-798 This state-of-the-art volume covers a wide range of subjects in experimental mechanics including optical methods of stress analysis (photoelasticity, moiré, etc.), composite materials, sandwich construction, fracture mechanics, fatigue and damage, nondestructive evaluation, dynamic problems, foam, materials, fiber optic sensors, speckle metrology, digital image processing, nanotechnology, neutron diffraction and synchrotron radiation methods. Written by leading scientists in the field, the book contains 71 papers presented at the Symposium on "Recent Advances in Experimental Mechanics", which was organized in honor of Professor I.M. Daniel at Virginia Tech, on June 23-28, 2002. The book presents a thorough review of the latest problems of experimental mechanics. It is a vital supplement and reference source for researchers, practicing engineers and students.