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Measurements for Stresses in Machine Components
1st Edition - January 1, 1964
Authors: V. F. Yakovlev, I. S. Inyutin
9 7 8 - 1 - 4 8 3 1 - 6 4 5 3 - 3
Measurements for Stresses in Machine Components focuses on the state of stress and strain of components and members, which determines the service life and strength of machines and… Read more
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Measurements for Stresses in Machine Components focuses on the state of stress and strain of components and members, which determines the service life and strength of machines and structures. This book is divided into four chapters. Chapter I describes the physical basis of several methods of measuring strains, which includes strain gauges, photoelasticity, X-ray diffraction, brittle coatings, and dividing grids. The basic concepts of the electric strain gauge method for measuring stresses inside machine components are covered in Chapter II. Chapter III elaborates on the results of experimental work on stresses and strains in linear, plane, and three-dimensional states of stress under static load conditions. The last chapter is devoted to examples for experimental stress analysis of plane and three-dimensional states of stresses under dynamic loads. Conclusions drawn from the theoretical and experimental investigations discussed in this text are provided at the end. This publication is intended for engineers and technicians, but is also a good reference for students researching on the stress or strains of machine components.
PrefaceIntroductionI. Basic Methods of Experimental Stress Analysis 1. The Photoelastic Method 2. The X-Ray Diffraction Method 3. The Brittle Coatings Method 4. The Grid Method 5. Extensometry 6. The Physical Fundamentals of the Operation of Electric Resistance Wire Strain Gauges, Their Make-up and Properties 7. Strain-Gauge Circuits 8. Measuring EquipmentII. The Electrical Measurement of Stresses inside Solids with Special Resistance Strain Gauges 9. The Material for the Models 10. The Material for the Model Moulds 11. Recommendations for the Machining of Models and Specimens 12. Unbonded Wire Strain Gauges 13. Devices for Producing Unbonded Strain Gauges 14. Mounting of the Strain Gauges in the Moulds 15. Gauge Calibration 16. Evaluation of the Stresses in Components from Data Obtained by Model TestsIII. Experimental Study of Internal Stresses under Static Loading 17. The Measuring Equipment Used in the Experiments 18. Measurement of Stresses inside Components in a Linear State of Stress 19. An Example for the Measurement of Stresses inside Components in a Plane State of Stress 20. Examples for the Measurement of Stresses inside Components in a Three-dimensional State of Stress 21. Other Examples for the Use of Short Gauge-Length Unbonded Strain GaugesIV. Examples for the Experimental Study of Internal Stresses under Dynamic Conditions 22. The Measurement of Fiber Stresses and Other Principal Stresses in a Beam 23. The Measurement of Stress Concentrations 24. The Measurement of Contact Stresses 25. Measurement of Impact StressesConclusionReferencesIndex