APPLIED FAILURE ANALYSIS GEARS

INTRODUCTION ..................................................................................................................5
FUNCTIONS ........................................................................................................................11
STRUCTURE .......................................................................................................................15
NOMENCLATURE..............................................................................................................28
MANUFACTURE ................................................................................................................32
OPERATION ........................................................................................................................64
LUBRICATION....................................................................................................................74
NORMAL WEAR ................................................................................................................85
ABNORMAL WEAR...........................................................................................................93
Abrasive ........................................................................................................................102
Adhesive Wear ..............................................................................................................110
Corrosion......................................................................................................................117
Plastic Yielding .............................................................................................................128
Contact Stress Fatigue...................................................................................................132
FATIGUE FRACTURES....................................................................................................145
DUCTILE AND BRITTLE FRACTURES ........................................................................160
PRACTICE .........................................................................................................................168
GEAR PROBLEMS ...........................................................................................................180
ETCHING SPECIMENS....................................................................................................202
CONCLUSION...................................................................................................................206
SLIDE LIST........................................................................................................................211
STUDENT HANDOUT......................................................................................................214

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