## Strength of Materials |

### From inside the book

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Page 80

strain is called the fracture

strain just prior to fracture, e,f: <□>-% (<W>) These are appreciated more easily

from Fig. 4-5. The fracture strength, af, should not be confused with the ultimate ...

strain is called the fracture

**ductility**, ef. The latter can be calculated from the totalstrain just prior to fracture, e,f: <□>-% (<W>) These are appreciated more easily

from Fig. 4-5. The fracture strength, af, should not be confused with the ultimate ...

Page 82

This material has little

gives the following properties for an aluminum alloy: E = 70 GPa, af = 350 MPa, ...

This material has little

**ductility**, which is not surprising in view of its high strength.**Ductility**and strength tend to be mutually exclusive. EXAMPLE 4-4 A handbookgives the following properties for an aluminum alloy: E = 70 GPa, af = 350 MPa, ...

Page 306

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

maximum stress in a notched,

qualitative statements regarding the occurrence of plastic deformations. The

behavior of ...

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

maximum stress in a notched,

**ductile**member. It can be used, however, to makequalitative statements regarding the occurrence of plastic deformations. The

behavior of ...

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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