Page 473 - Handbook of Materials Failure Analysis

472 Index

Circumferential hoop stress, 51 Electrochemical testing, 37–38
Clashing parameter, 210–211, 210f Elevated-temperature failures, 2
Commercial rubbers, 459 Energy dispersive spectrometry (EDS), 313
Conical loading mandrels test Energy dispersive X-ray analysis (EDX)
experimental setup, 168–169, 170f measurements
FE analysis Sicily reformer tube deformation, 83
3D finite-element mesh, 175–176, 176f welding-associated stress-corrosion failures,
fracture resistance behavior, 177, 180f 398–399, 403–404
load-displacement response, 177, 179f Equivalent track mass, 128
true stress-strain curve, 175–176, 177f Extended overheating failures. See High-
von Mises equivalent stressstate,175–176, 178f temperature creep failures
friction force evaluation, 172–173
geometry and dimensions, 168, 169f F
J-R curve, 173–175, 174f Failure analysis, definition of, 1–2
load-displacement behavior, 172, 173f Failure investigation conducting methods
loading conditions simulation, 168 conclusion drawing, 32–33
plastic deformation energy vs. crack extension data compilation, 32
data, 172–173, 173f field visit, 31
Copper alloy wear analysis, 331 laboratory testing, 31–32
babbitt alloys, 335–336, 338–341f problems understanding, 30
brass wear particle, 334, 337f sample selection, 31
colors, 334, 336f suggesting remedies, 33
geothermal steam turbine, 334, 335f Fatigue failure analysis
Corrosion failure analysis, 30 automotive demo-structure, 366–383
Cracking index, 211–212, 213–214t characterization approach, 357
Creep components, 366–367, 367f
definition, 2 deposition, 357
Sicily reformer tube deformation, 85–89, 86t, fatigue modeling, 370–372, 374f, 375t
86–87f fracture mechanics approach
Cutting wear particle analysis, 315–316, 316f advantages, 362
disadvantages, 362
D fatigue strength, 360
DASR. See Dynamic analysis stress range (DASR) geometrical correction factor, 362
Direct reading (DR) ferrography, 312 SIF/ J-integral, 357f, 361–362
Dissimilar metal welded joint, 280, 305f spot-welding process, 357f, 360, 361f
Ductile fracture, 278, 298 local notch stress/strain approach, FE model,
Ductile-to-brittle transition temperature (DBTT) 359–360
regime, 278–279 advantage, 365
cleavage fracture anisotropy and hardening asymmetry, 365
crack depth on probability, 297–300 boundary conditions, 380, 382f
specimen geometry and loading condition, 302 material constants, 375t, 380, 380t
specimen size on probability, 304 mesh generation phase, 378, 380f
specimen thickness on probability, 302–303 plastic strain energy, 366, 366f
stable crack growth, 300–301 positive elastic strain energy, 365–366, 366f
Duplex stainless steels (DSSs), 391–392 sample SPR joint, 378, 381f
Dynamic analysis stress range (DASR), 253–254, Sheppard’s model, 365
255f total strain energy, 366, 366f
magnesium alloys
E material modeling, 368–370, 373f
Earthquakes, 188, 188t material properties, 368, 369f, 370t,
Eigenmodes determination, 201–202, 202t 371–372f
Eigenpulsations calculation, 199–201, 201t SPR (see Laser-assisted self-pierce riveting
Elastoplastic steel behavior model, 98 (LSPR))