Mechanical Metallurgy |
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Page 12
... failure criterion ( Sec . 3-4 ) . At temperatures significantly greater than room temperature metals no longer exhibit strain hardening . Instead , metals can continuously deform at constant stress in a time - dependent yielding known ...
... failure criterion ( Sec . 3-4 ) . At temperatures significantly greater than room temperature metals no longer exhibit strain hardening . Instead , metals can continuously deform at constant stress in a time - dependent yielding known ...
Page 231
... failure by flow parallel to the fibers is σ , given by Eq . ( 6-43 ) . The shear stress required to produce failure by shear in the matrix or at the fiber - matrix interface is t ,, while σ , is the tensile stress required to produce ...
... failure by flow parallel to the fibers is σ , given by Eq . ( 6-43 ) . The shear stress required to produce failure by shear in the matrix or at the fiber - matrix interface is t ,, while σ , is the tensile stress required to produce ...
Page 440
... failure criterion and , accordingly , the values taken for σ are conservatively low : C c≈ 3 ksi C ≈ 4 ksi for high - strength aluminum alloy for mild steel ≈ 10 ksi for quenched and tempered steel The yielding criterion for uniaxial ...
... failure criterion and , accordingly , the values taken for σ are conservatively low : C c≈ 3 ksi C ≈ 4 ksi for high - strength aluminum alloy for mild steel ≈ 10 ksi for quenched and tempered steel The yielding criterion for uniaxial ...
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alloys angle annealed atoms axis behavior billet brittle fracture Burgers vector cold-worked components compression constant crack criterion cycles decrease determined diameter direction dislocation line ductile edge dislocation elastic elongation energy engineering equations extrusion factor failure fatigue limit fibers flow curve flow stress force forging friction given grain boundaries hot-working hydrostatic increases lattice length load machining martensite material matrix maximum measured mechanical Metals Park modulus normal stress notch occurs orientation particles percent plastic deformation plastic strain polymer pressure produced properties ratio reduction region residual stresses rolling screw dislocation shear strain shear stress sheet shown in Fig shows slip plane slip systems Society for Metals solid specimen steel strain hardening strain rate stress-strain curve structure surface tensile strength tensile stress tensor theory thermal thickness tool torsion Trans usually velocity workpiece yield strength yield stress York