## Strength of Materials |

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Page 59

has been cooled to liquid helium

the stress become zero? a = 13 x 10~6 per °F, E = 70 GPa. Solution The

the ...

has been cooled to liquid helium

**temperature**(4°K)? At what**temperature**wouldthe stress become zero? a = 13 x 10~6 per °F, E = 70 GPa. Solution The

**temperature**drop is 269 + 25 = 294°C = 561°F. If the wire were not constrained,the ...

Page 312

Effect of

depends on the applied load (which is normally constant throughout each test),

as shown in Fig. 12-10. The simple creep test discussed above is not successful

...

Effect of

**temperature**on creep rate. in design. The creep rate of a given materialdepends on the applied load (which is normally constant throughout each test),

as shown in Fig. 12-10. The simple creep test discussed above is not successful

...

Page 391

What is the largest possible stress caused by a

both heating and cooling. 6. Calculate the expected stresses caused by internal

pressure. 7. Is torsion of the pipe possible? If yes, estimate the maximum stresses

...

What is the largest possible stress caused by a

**temperature**change? Considerboth heating and cooling. 6. Calculate the expected stresses caused by internal

pressure. 7. Is torsion of the pipe possible? If yes, estimate the maximum stresses

...

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### Common terms and phrases

angle applied Assume axial beam bending brittle buckling calculated caused column compressive stress concrete Consider constant crack cross section cross-sectional area curvature cyclic cylindrical deflection Determine diameter ductile elastic strain element elongation equations equilibrium EXAMPLE extensometer external load factors of safety failure fatigue fibers fracture free-body diagram ft-lb given GPa Fig hardening horizontal implant increase inertia magnitude maximum shear stress maximum stress metal minimum modulus Mohr's circle neutral axis normal stress notch plane plastic deformation plate plot pole pressure Prob problems psi Fig radius residual stresses rivets shaft shear force shear strain shear strength shown in Fig softening Solution specimen static steel strain gages strength of materials stress and strain stress distribution stress-strain curve temperature tensile stress tension thickness torque torsion tube vertical weight weld wire yield strength zero