编辑: 梦三石 | 2019-07-06 |
173 Levy-Mises flow rule, 22-3,
166 Lightweight construction,
11 Limit strains, 49, 74, 76-7 Index
207 Limiting Drawing Ratio (LDR), 114, 117, 119, 121-2 Load-carrying capacity, 121-2, 131,
146 Load-extension diagrams, 2-3, 5-6, 9-10, 65-6 Load instability, 61-81,
131 Local instability, 61, 62, 68-72, 74, 76-7, 79, 109,
131 Low-pressure hydroforming, 161-3 Lower yield stress, 5,
9 Ltider'
s lines,
5 Major stresses/strains, 31, 32-3, 40, 42, 48,
133 Marciniak-Kuczynski theory Material properties, 1-13 Maximum shear stresses, 18-19, 20-1 Maximum uniform elongation,
3 Maximum uniform strain, 7, 10, 65-6 Mechanical tests, 12-13, 129-32 see also Tensile test Mechanics models, xx,
36 Membrane stresses/strains, xviii, 14, 35, 36, 40, 83, 129-31,
168 Microstructure,
12 Minor stresses/strains, 31, 32-3, 36, 40, 42, 84,
133 Mohr circles, 18-19, 20, 21, 71, 171,
173 Molten glass,
67 Moments, bending, 82, 86-95, 93-5, 100-4, 161-2 combined with tension, 136-42, 144-6 Monotonic processes, 16, 25,
26 Necking, 7, 12, 16, 61, 62, 68-75 circular shells,
131 diffuse, 63-4, 65, 67-8, 70, 78-9 hydroforming, 154, 159,
161 strain rate sensitivity, 66-7,
76 tube forming,
108 see also Nosing Non-dimensional strain-hardening, 63,
69 Normal plastic anisotropy ratio,
9 Nosing, 79, 114-15 Numerical models,
36 Offset strain constant, 37-8 Olsen test,
79 Oval tubes, 161-3
208 Index Piercing, xiii, xvi Planar anisotropy, 8, 9,
10 Plane strain: bending, 83-4, 86, 88, 89, 96, 98, 136, 139-42, 148-50 cylindrical deep drawing, 121-2 deformation, 34-5, 39, 40, 42-3 hydroforming, 153-9,
162 load instability, 71, 74,
76 stamping, 47,
49 Plane stress: bending,
136 circular shells, 108,
112 deformation, 14, 22-7, 30-44 general sheet processes, 16-17,
79 stamping,
50 yielding, 17-22, 165,
166 Plastic deformation, 1-29 bending, xiii-xv combined with tension,
137 reverse,
95 circular shells, 108,
112 hydroforming, 154-60 large strains, 168-73 rate, 9-10, 12, 146-7 stamping,
47 work done, 24-5, 146-7 Plastic flow, 1, 18,
39 Plastic hinges, 102-3,
162 Plastic modulus,
143 Poisson'
s ratio,
86 Power law, 7-8, 36-9, 42, 64, 65, 86, 90-1,
143 Pre-form operations, 134-5 Pre-strain constant, 37-8 Press-brake forming, xiv Pressure: contact, 49-50, 111, 126, 133, 148, 156,
161 high-pressure processes, xvii-xviii, 152-3, 159,
163 hydrostatic, 19, 113, 129,
160 internal, 153-5, 159-60 low-pressure hydroforming, 161-3 Principal directions, 14, 16-19, 24, 25, 31, 33~ 35, 41, 47-8, 168-72 Principal strain, 32, 33, 37, 69, 168, 172-3 increments, 15, 16, 17, 23, 24,
166 Principal stresses, 17, 21, 24, 31, 33, 35, 39-40, 41, 43, 69, 108, 165,
167 Principal tensions, 41-3, 48-9, 68, 108-9,
133 Proof stress, 4,
5 Proportional large strain processes, 16, 26, 35-6, 41,
173 Punches: cone, 114-15 hemispherical, xv-xvi, 34-5, 79, 108, 112, 132-5 nose radius, 105-6, 134-5 preform, 134-5 press-brake forming, xiv shape, 134-5 stamping, 45-54, 61-2 strain distribution, 67-8 wall ironing, 125-7 Pure shear, 36,
40 R-values, 9, 11, 77-8,
122 Radius of curvature: bending, 82-3, 87-94, 96-104, 136-8, 142-4,
162 circular shells, 109-11,
132 stamping,
50 Rate of deformation, 9-10, 12, 146-7 Rectangular panels, 57-9 Redrawing cylindrical cups, xvii, xvi.
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