Page 72 - Fiber Fracture

Fiber Fracture
M . Elices and J . Llorca (Editors)
0 2002 Published by Elsevier Science Ltd . All rights reserved

FORMS OF FIBRE FRACTURE

J.W.S. Hearle

The Old Vicuruge. Mellor; Stockport SK6 SLX. WK

Introduction ..................................... 59
Tensile Breaks .................................... 59
Brittle Fracture ................................. 59
Ductile Failure ................................. 59
High-speed Breaks ............................... 62
Granular Breaks ................................ 62
Fibrillar Breaks ................................. 63
Axial Split Breaks ............................... 63
Stake-and-socket . ............................... 63
Morphological Determinism .......................... 64
Other Directions of Deformation .......................... 65
Twist Breaks .................................. 65
Bending Breaks ................................. 65
Lateral Pressure ................................. 66
‘Fatigue’ Breaks ................................... 66
Complex Forms of Loading .......................... 66
Tensile Fatigue ................................. 66
Flex Fatigue .................................. 66
Kink-Band Failure ............................... 67
Axial Splitting ................................. 68
Torsional Fatigue ................................ 69
Combined Twisting and Bending ....................... 69
Surface Wear .................................. 69
Failure in Use .................................. 70
Conclusion ..................................... 70
References ...................................... 71

Abstract

The diverse forms of fibre fracture are shown in SEM studies . The classification
covers the following forms of tensile break brittle failure in inorganic and elastomeric