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TORSION. FIGURES FOR CHAPTER 3. Click the mouse or use the arrow keys to move to the next page. Use the ESC key to exit this chapter. FIG. 3-1 Torsion of a screwdriver due to a torque T applied to the handle. FIG. 3-2 Circular bar subjected to torsion by torques T 1 and T 2. - PowerPoint PPT Presentation
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Copyright 2005 by Nelson, a division of Thomson Canada Limited
FIGURES FOR
CHAPTER 3
TORSION
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FIG. 3-1
Torsion of a screwdriver due to a torque T applied to the handle
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FIG. 3-2 Circular bar subjected to torsion by torques T1 and T2
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FIG 3-3 Deformations of a circular bar in pure torsion
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FIG. 3-4 Deformation of an element of length dx cut from a bar in torsion
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FIG. 3-5
Shear strains in a circular tube
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FIG. 3-6 Shear stresses in a circular bar in torsion
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FIG. 3-7 Longitudinal and transverse shear stresses in a circular bar subjected to torsion
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FIG. 3-8 Tensile and compressive stresses acting on a stress element oriented at 45° to the longitudinal axis
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FIG. 3-9 Determination of the resultant of the shear stresses acting on a cross section
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FIG. 3-10 Circular tube in torsion
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FIG. 3-11 Example 3-1. Bar in pure torsion
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FIG. 3-12
Example 3-2. Torsion of a steel shaft
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FIG. 3-13 Example 3-3. Comparison of hollow and solid shafts
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FIG. 3-14
Bar in nonuniform torsion (Case 1)
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FIG. 3-15 Bar in nonuniform torsion (Case 2)
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FIG. 3-16 Bar in nonuniform torsion (Case 3)
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FIG. 3-17 Example 3-4. Steel shaft in torsion
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FIG. 3-18
Free-body diagrams for Example 3-4
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FIG. 3-19 Example 3-5. Tapered bar in torsion
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FIG. 3-20
Stresses acting on a stress element cut from a bar in torsion (pure shear)
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FIG. 3-21 Analysis of stresses on inclined planes: (a) element in pure shear, (b) stresses acting on a triangular stress element, and (c) forces acting on the triangular stress element (free-body diagram)
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FIG. 3-22 Graph of normal stresses and shear stresses versus angle of the inclined plane
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FIG. 3-23 Stress elements oriented at = 0 and = 45° for pure shear
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FIG. 3-24 Torsion failure of a brittle material by tension cracking along a 45° helical surface
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FIG. 3-25 Strains in pure shear: (a) shear distortion of an element oriented at = 0, and (b) distortion of an element oriented at = 45°
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FIG. 3-26 Example 3-6. Circular tube in torsion
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FIG. 3-27a Stress and strain elements for the tube of Example 3-6: (a) maximum shear stresses, and (b) maximum tensile and compressive stresses
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FIG. 3-27b Stress and strain elements for the tube of Example 3-6: (c) maximum shear strains, and (d) maximum tensile and compressive strains
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FIG. 3-28 Geometry of deformed element in pure shear
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FIG. 3-29 Shaft transmitting a constant torque T at an angular speed
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FIG. 3-30 Example 3-7. Steel shaft in torsion
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FIG. 3-31 Example 3-8. Steel shaft in torsion
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FIG. 3-32
Statically indeterminate bar in torsion
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FIG. 3-33
Example 3-9. Statically indeterminate bar in torsion
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FIG. 3-34 Prismatic bar in pure torsion
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FIG. 3-35 Torque-rotation diagram for a bar in torsion (linearly elastic material)
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FIG. 3-36
Element in pure shear
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FIG. 3-37
Example 3-10. Strain energy produced by two loads
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FIG. 3-38 Example 3-11. Strain energy produced by a distributed torque
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FIG. 3-39 Example 3-12. Tapered bar in torsion
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FIG. 3-40 Thin-walled tube of arbitrary cross-sectional shape
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FIG. 3-41 Cross section of thin-walled tube
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FIG. 3-42
Thin-walled circular tube
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FIG. 3-43
Thin-walled rectangular tube
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FIG. 3-44 Angle of twist for a thin-walled tube
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FIG. 3-45
Example 3-13. Comparison of approximate and exact theories of torsion
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FIG. 3-46 Example 3-14. Comparison of circular and square tubes
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FIG. 3-47 Stepped shaft in torsion
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FIG. 3-48 Stress-concentration factor K for a stepped shaft in torsion. (The dashed line is for a full quarter-circular fillet.)
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PROBS. 3.2-1 and 3.2-2
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PROBS. 3.2-3, 3.2-4, and 3.2-5
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PROB. 3.3-1
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PROB. 3.3-2
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PROB. 3.3-3
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PROB. 3.3-4
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PROB. 3.3-5
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PROB. 3.3-6
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PROB. 3.3-7
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PROB. 3.3-9
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PROB. 3.3-10
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PROBS. 3.3-11 and 3.3-12
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PROBS. 3.3-13 and 3.3-14
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PROB. 3.3-15
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PROB. 3.3-16
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PROB. 3.3-17
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PROB. 3.4-1
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PROB. 3.4-2
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PROB. 3.4-3
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PROB. 3.4-4
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PROB. 3.4-5
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PROB. 3.4-6
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PROB. 3.4-7
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PROBS. 3.4-8, 3.4-9, and 3.4-10
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PROB. 3.4-11
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PROB. 3.4-12
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PROB. 3.4-13
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PROB. 3.4-14
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PROBS. 3.5-1, 3.5-2, and 3.5-3
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PROB. 3.5-4
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PROB. 3.5-7
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PROB. 3.5-9
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PROB. 3.5-10
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PROB. 3.7-1
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PROB. 3.7-2
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PROB. 3.7-3
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PROB. 3.7-4
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PROB. 3.7-7
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PROBS. 3.7-9 and 3.7-10
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PROB. 3.8-1
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PROB. 3.8-2
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PROB. 3.8-3
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PROB. 3.8-4
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PROB. 3.8-5
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PROB. 3.8-6
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PROB. 3.8-7
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PROB. 3.8-8
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PROB. 3.8-9
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PROBS. 3.8-10 and 3.8-11
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PROBS. 3.8-12 and 3.8-13
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PROB. 3.8-14
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PROBS. 3.9-1 and 3.9-2
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PROBS. 3.9-3 and 3.9-4
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PROB. 3.9-5
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PROB. 3.9-6
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PROB. 3.9-7
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PROB. 3.9-8
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PROB. 3.9-9
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PROB. 3.9-10
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PROB. 3.9-11
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PROB. 3.10-1
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PROB. 3.10-2
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PROBS. 3.10-3 and 3.10-4
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PROB. 3.10-5
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PROB. 3.10-6
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PROB. 3.10-7
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PROB. 3.10-8
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PROB. 3.10-9
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PROB. 3.10-10
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PROB. 3.10-11
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PROB. 3.10-12
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PROB. 3.10-13
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PROBS. 3.11-1 through 3.11-5