## Strength of Materials |

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Page 61

They are valid for any normal stresses that act in three mutually perpendicular

directions. The modulus of ... Tensile stresses and strains are positive and

9 A ...

They are valid for any normal stresses that act in three mutually perpendicular

directions. The modulus of ... Tensile stresses and strains are positive and

**compressive stresses**and strains are negative in most calculations. EXAMPLE 3-9 A ...

Page 62

How is the answer changed if a

= 300 GPa, n = 0.1 (this is a very strange metal). Solution Using Hooke's law (Eq.

3-7c), 300 000 The new thickness is 1 [0 - 0.1(500 + 200)] = -2.33 x 10-» /, = /0(i ...

How is the answer changed if a

**compressive stress**of a. = 300 MPa is added ? E= 300 GPa, n = 0.1 (this is a very strange metal). Solution Using Hooke's law (Eq.

3-7c), 300 000 The new thickness is 1 [0 - 0.1(500 + 200)] = -2.33 x 10-» /, = /0(i ...

Page 330

Consider a ductile bar with a rectangular cross section that is bent so that the

outer layers of the bar yield both in tension and in

reasonable distribution of residual

state of ...

Consider a ductile bar with a rectangular cross section that is bent so that the

outer layers of the bar yield both in tension and in

**compression**. Sketch areasonable distribution of residual

**stresses**on a cross-sectional area to show thestate of ...

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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