| Document Type
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BL
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| Record Number
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864311
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| Title & Author
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The Kolsky-Hopkinson bar machine : : selected topics /\ Ramzi Othman, editor.
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| Publication Statement
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Cham, Switzerland :: Springer,, 2018.
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| Page. NO
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1 online resource :: illustrations
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| ISBN
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3030101304
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: 3319719181
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: 331971919X
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: 9783030101305
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: 9783319719184
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: 9783319719191
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3319719173
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9783319719177
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| Bibliographies/Indexes
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Includes bibliographical references.
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| Contents
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Intro; Contents; About the Editor; Introduction; 1 The Origins of the Hopkinson Bar Technique; Acknowledgements; Appendix; References; 2 Tensile Testing Using the Kolsky-Hopkinson Bar Machine; 2.1 Tension Tests; 2.2 Review of One-Dimensional Elastic Wave Propagation Theory; 2.3 Dynamic Tension Tests with Split-Hopkinson Bars; 2.3.1 Introductory Remarks; 2.3.2 Tension Testing in a Split-Hopkinson Pressure Bar (SHPB) System; 2.3.3 Approaches for Direct Tensioning of the Sample; 2.4 Split-Hopkinson Tension Bar Loaded by Direct Tension; 2.4.1 Bar, Mechanical Devices and Instrumentation.
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2.4.2 Pre-stretching of Input Bar and Release of Stress Wave2.4.3 Dispersion; 2.4.4 Conventional Response Analysis; 2.4.5 Correction of Measured Strains; 2.4.6 True Stress and Plastic Strain; 2.5 Direct Measurement of Deformation; 2.5.1 Introduction Motivation; 2.5.2 Digital Image Correlation (DIC); 2.5.3 Contour Tracing; 2.6 SHTB Testing at Different Temperatures; 2.6.1 Motivation; 2.6.2 SHTB Testing at High Temperatures; 2.6.3 SHTB Testing at Low Temperatures; 2.6.4 Temperature Measurement; 2.7 Summary; Acknowledgements; References; 3 Shear Testing Using the Kolsky-Hopkinson Bar Machine.
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3.1 Why Shear Tests?3.2 Shear Deformation Modes; 3.3 Hopkinson Shear Testing of Sheet Materials; 3.3.1 Simple Shear Tests; 3.3.2 Tests with Optimised Sample Geometries; 3.3.3 Example: Shear Testing of Ti6Al4V Sheet; 3.4 Hopkinson Shear Testing of Bulk Materials; 3.4.1 Hopkinson Torsion Tests; 3.4.2 Example: Torsion Testing of Ti6Al4V; 3.4.3 Compression of Hat-Shaped Samples; 3.4.4 Tests with Purpose Designed Sample Geometries; 3.5 Shear Strain Formulations; References; 4 Dynamic Brazilian Test Using the Kolsky-Hopkinson Bar Machine; 4.1 Introduction; 4.2 Principle of the Brazilian Disc Test.
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4.3 Digital Image Correlation Method and High-Speed Photography4.4 Experimentation; 4.4.1 Materials and Sample Preparation; 4.4.2 Experimental Setup; 4.5 Dynamic Deformation and Failure Analysis; 4.5.1 Dynamic Deformation of PMMA; 4.5.2 Dynamic Deformation of Al2O3 Ceramic; 4.5.3 Dynamic Deformation of Granite; 4.6 Determination of the Dynamic Tensile Strength; 4.7 Concluding Remark and Perspective; References; 5 Comparative Study of the Dynamic Fracture Toughness Determination of Brittle Materials Using the Kolsky-Hopkinson Bar Machine; 5.1 Introduction.
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5.2 Testing Principle and Experimental Setup5.2.1 Flatted Brazilian Disc (FBD) Test; 5.2.2 Notched Semi-circular Brazilian (NSCB) Test; 5.2.3 Three-Point Bending (TPB) Test; 5.2.4 Sample Preparation and Experimental Setup; 5.3 Dynamic Deformation and Failure Analysis; 5.4 Determination of the Dynamic Fracture Toughness of Brittle Materials; 5.5 Micro Morphologic Analysis on the Fracture; 5.6 Discussion and Conclusion; References; 6 Wave Dispersion in Kolsky-Hopkinson Bar Machine; 6.1 Introduction; 6.2 Analytical Analysis; 6.2.1 Pochhammer-Chree Equation for an Infinite Viscoelastic Rod.
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| Abstract
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In this book, leading scientists share their vision on the Kolsky-Hopkinson bar technique, which is a well-established experimental technique widely used to characterize materials and structures under dynamic, impact and explosion loads. Indeed, the Kolsky-Hopkinson bar machine is not a simple experimental device. It is rather a philosophical approach to solve the problem of measuring impact events. The split Hopkinson pressure bar conventional device is mainly limited to test homogeneous ductile non-soft materials under uni-axial compression. Extending the use of this device to more versatile applications faces several challenges such as controlling the stress state within the specimen and mastering the measurement of forces and velocities at the specimen-bar interfaces and then the material properties. Thus, the topics discussed in this book mainly focused on the loading and processing parts.
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| Subject
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Pressure gages.
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Strain gages.
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Strains and stresses.
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Stress waves-- Measurement.
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Mechanics of solids.
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Mensuration systems of measurement.
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Pressure gages.
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Strain gages.
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Strains and stresses.
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Stress waves-- Measurement.
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TECHNOLOGY ENGINEERING-- Engineering (General)
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TECHNOLOGY ENGINEERING-- Reference.
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| Subject
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Testing of materials.
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| Dewey Classification
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620
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620.1/123
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| LC Classification
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TA417.6
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TA7
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| Added Entry
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Othman, Ramzi
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