## Strength of Materials |

### From inside the book

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Page 338

The theory states that a

energy is at least equal to the energy required to create the new

In other words, there must be enough elastic strain energy in a solid at the onset

...

The theory states that a

**crack**will propagate when the decrease in elastic strainenergy is at least equal to the energy required to create the new

**crack**surfaces.In other words, there must be enough elastic strain energy in a solid at the onset

...

Page 340

ring, and energy was required to create four new

with an area of dct. If all other forms of energy involved in the process are

negligible, the two energies can be related approximately as follows. Assuming

that the ...

ring, and energy was required to create four new

**crack**surfaces, each surfacewith an area of dct. If all other forms of energy involved in the process are

negligible, the two energies can be related approximately as follows. Assuming

that the ...

Page 341

Minimum stress sufficient to propagate a

on specimen cut from flawed bearing cap of large marine Diesel engine; test

record shows acceleration of

Minimum stress sufficient to propagate a

**crack**. p,t« -*\**Crack**propagation gageon specimen cut from flawed bearing cap of large marine Diesel engine; test

record shows acceleration of

**crack**growth rate for constant amplitude loading.### What people are saying - Write a review

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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