## Strength of Materials |

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Page 306

The theoretical stress concentration factor cannot be used to find the true

maximum stress in a notched, ductile member. It can be used, ... Using a

The theoretical stress concentration factor cannot be used to find the true

maximum stress in a notched, ductile member. It can be used, ... Using a

**factor of****safety**of 2, one would say that the working load must be 3000 lb. For a**factor of****safety**...Page 327

to fly at all). The use of generous

The increase in weight of one part may require increases in weight of several ...

**Factors of safety**cannot be used liberally if the airplane is to fly economically (or,to fly at all). The use of generous

**factors of safety**can be self-defeating, anyway:The increase in weight of one part may require increases in weight of several ...

Page 337

Any arbitrary

Yielding must be expected if the

region of allowable stresses if the maximum normal stress theory is used to

prevent ...

Any arbitrary

**factors of safety**can be used simply to scale down the square.Yielding must be expected if the

**factor of safety**is small. Square B bounds theregion of allowable stresses if the maximum normal stress theory is used to

prevent ...

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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