On the other hand, the fiber fragmentation
phenomenon taking placc in a fiber structure ,
which is also attributed tro the fiber interactions,
has been proved to yield a synergetic effect in
system strength. Tlie fragmentation only occurs
in a twisted struct,ure in which lateral pressure
generated by the tensile loading leads to multiple
breaks in individual filainent, via inter-fibcr
friction. The ultiinatc strengt,h of t,he syst,ein