T

Tapered DCB 129,198 Tear dimples 41 Tearing mode 8 Tear straps 415 Temperature

- effect on fatigue 261

- effect on toughness 309, 311 -, transition 5, 35, 310

Tensile mode fatigue crack 258 Tensile mode fracture 110, 111 Testing

plane stress 185,208,209,408 Texture 306 Thickness

- effect on fatigue crack 257, 259

- effect on fracture surface 110, 111

- effect on stress condition 102

- effect on toughness 107,127,175, 193, 199, 207, 310, 395

- models 200 Thin foils 27, 44 Threshold fatigue cracking 252, 283 -, stress corrosion 21 Tilting 26, 27 Tongues, cleavage 36 Topography 27, 43 Tougness see Fracture toughness Transition

-.ductile-brittle 31,310 -, fatigue crack 258 -, fracture mode 110, 111

- temperature 5, 35, 310 Transitional behaviour 110, 127, 185 Transmission electron fractography

Transmission electron microscopy 27 Tresea yield criterion 96 True fracture strain 301 Truncation 265 Twin 36

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