JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS Figure 16. Static loop break, root end of fibre. A single shot from the TV screen showing cuticle cell lifting just before fracture. b Figure 17. A sequence taken just after the point in Fig. 16 showing the initia- tion of fracture.
JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS Figure 18. Static loop-break tip end of fibre. A single shot from the TV screen showing the initiation of fracture. . . 'T,:' • %' . • . .. .... .. . . • . • . .. .. • - . • - .: • ...f':•' . • , ' • .•.....• * .?•- :.• :•- ½ .. ' . • • ., ... -. . / . ] . .. • ':"' . . •. .. • ß • • .. Figure 19. A sequence showing the separation of cuticle and cortical elements during a loop-break at the tip end of a weathered fibre.
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