Mechanical Metallurgy |
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Page 426
... fatigue performance of large machine members from the results of laboratory tests on small specimens . Experience has shown that in most cases a size effect exists ; i.e. , the fatigue strength of large members is lower than that of ...
... fatigue performance of large machine members from the results of laboratory tests on small specimens . Experience has shown that in most cases a size effect exists ; i.e. , the fatigue strength of large members is lower than that of ...
Page 441
George E. Dieter. 12-15 CUMULATIVE FATIGUE DAMAGE The conventional fatigue test subjects a specimen to a fixed ... limit , and subsequently running the specimen to failure at another test stress . The ratio of the cycles of overstress at the ...
George E. Dieter. 12-15 CUMULATIVE FATIGUE DAMAGE The conventional fatigue test subjects a specimen to a fixed ... limit , and subsequently running the specimen to failure at another test stress . The ratio of the cycles of overstress at the ...
Page 446
... fatigue limit , psi 116,000 139,000 Transverse fatigue limit , psi 79,000 120,000 Ratio transverse / longitudinal 0.68 0.86 27 29 Hardness , Rc † Determined in repeated - bending fatigue test ( R = 0 ) . Data from J. T. Ransom , Trans ...
... fatigue limit , psi 116,000 139,000 Transverse fatigue limit , psi 79,000 120,000 Ratio transverse / longitudinal 0.68 0.86 27 29 Hardness , Rc † Determined in repeated - bending fatigue test ( R = 0 ) . Data from J. T. Ransom , Trans ...
Contents
Elements of the Theory of Plasticity | 3 |
Dislocation Theory | 150 |
Strengthening Mechanisms | 190 |
Copyright | |
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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 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 single crystals 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