## Strength of Materials |

### From inside the book

Results 1-3 of 28

Page 315

strength, is one of the most common causes of material failures. It is best for the

engineer to assume that all materials could fail by

...

**FATIGUE Fatigue**, which means failure caused by stresses less than the ultimatestrength, is one of the most common causes of material failures. It is best for the

engineer to assume that all materials could fail by

**fatigue**. One could distinguish...

Page 316

The lowest stress amplitude at which specimens fail in the longest tests (several

million cycles) is called the

preoccupation with the

...

The lowest stress amplitude at which specimens fail in the longest tests (several

million cycles) is called the

**fatigue**limit. For almost a hundred years there was apreoccupation with the

**fatigue**limit. Many designers thought that stresses above...

Page 427

... 74 chemical effects, 88 cyclic loading effects, 86 grain size effects, 84 hardness

effects, 84 hydrogen effects, 88 irradiation effects, 89 liquid metal effects, 88

strain rate effects, 86 temperature effects, 84 Dynamic loads (see also

324, ...

... 74 chemical effects, 88 cyclic loading effects, 86 grain size effects, 84 hardness

effects, 84 hydrogen effects, 88 irradiation effects, 89 liquid metal effects, 88

strain rate effects, 86 temperature effects, 84 Dynamic loads (see also

**Fatigue**),324, ...

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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