Sheet Metal Forming

Index / 361
THF, 191
TRIP, 112
22MnB5, 135–136, 137(F), 143
TWIP, 112
warm forming, 90
warm sheet hydroforming, 172(T), 173
strain rates
aluminum alloys, 86(F), 87(F)
effect of, 112
EMF, 234, 235
high-velocity forming, 227, 228(T)
hot stamping, 63
magnesium alloys, 86
QPF, 102
sheet hydroforming process, 172
22MnB5, 135, 143
stress
aluminum alloys, 86(F), 87(F), 88(F)
bending, 21(F), 22(F)
blanking, 2–3
LCS, 2
in punch, 16(F)
punch (blanking), 2
tensile (uniaxial) test, 87(F)
Young’s modulus, 22
stretch bending
AHSS, 33
automotive parts, 32
FE simulations, 33–34
fracture, 33
tests, 33(F)
stretch bending tests, 33(F), 34
stretchability
AHSS, 114–115
DP steels, 115(F)
MS, 115(F)
stretching
AHSS, 114–115(F)
bending, 19
bending, combined, 116, 117(F)
BHF optimization, 59
flanging/edge stretching, 116–117, 118(F)
FLC, 38
ISF, 278, 282, 283
process mechanics, 277
shell elements, 69
SHF-D, 159
SHF-P, 158, 161(F)
springback, 127
tandem press lines, 125
transfer presses, 124
strip drawing (SDT) test, 332(F)
strip reduction test, 331(F)
stripper plate, 9(F)
strippers
fixed, 9
spring, 9(F)
stripping force, 9
urethane, 9
stripping, 2
stripping force, 9
submerged testing method, 87, 89(F)
surface decarburization, 153
surface quality
EMF, 234
flow forming, 259
hydropunch process, 233
manual spinning, 255
roller tools, 263
sheet hydroforming, 159
SHF-P, 160
spinning, 258
stamping tools, 317, 318
THF, 202
tool path planning, 254
Sverker 21, 333
Swift’s law, 22
T
tailored rolled blanks (TRB), 223
tailor-welded blanks, 154
tandem press, 198(F)
tandem press lines, 124–125
tangential stresses, 250, 252–253(F)
tapers, 7(F)
teach-in panel, 256, 257(F)
tearing, 37, 53–54, 249, 312
temperature transformation curve, 134–135(F)
tempering, 320, 322(F)
tensile (uniaxial) test, 84–86(F,T), 87(F,T), 88(F), 89(F)
tensile test
AHSS, 110, 114
air bending, 32
aluminum alloys, 85(T), 86(T), 89
DP780, 67(F)
hot stamping, 142
magnesium alloys, 88(F)
online material property evaluation, 311
process simulation, 53
SHF-P, 170
THF, 182, 183(F)
warm sheet hydroforming, 172
tension, bending under, 25–26(F)
thermal conductivity
aluminum alloys, 93, 99
die steels, 149
as a function of temperature, 142
magnesium alloys, 93
nanocasting technology, 152
22MnB5, 143(T), 145
thermal diffusion (TD) coating, 326(F), 329, 330(T)
thinning
FEM simulations, 54
percentage thinning, 54
SHF-P, 69
three-dimensional (3-D) simulations, 26, 27
three-point bending. 
See
air bending
through hardening, 317(T), 320–323(F)
through-thickness shear, 280
ThyssenKrupp Steel, 153, 154, 173
TiCN, 121, 123(F), 325, 326(T), 327(F), 332(T), 334(T)

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