Fracture Mechanics
YOUR LINK HERE:
http://youtube.com/watch?v=SXNOj5Xb5pE
0:00 stress concentrators • 3:24 stress intensity factor • 5:07 Griffith theory of brittle fracture brief origin • 10:20 Griffith fracture equation • 11:12 Y, geometric crack size parameter • 13:46 KIc fracture toughness • 17:01 fracture critical flaw size example question • 21:11 general characteristics of fracture in ceramics • 24:50 general characteristics of polymer fracture • 26:18 impact fracture testing and ductile to brittle transition • 28:39 fatigue and cyclic stresses • 30:13 S-N curves for fatigue failure and fatigue limit
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