The damage of aramid fibers occurs easily in torsion fatigue.So the effects of temperature and pre-tension on the torsion fatigue lifetimes of Nomex and Kevlar 49 fibers were characterized and compared by twist testin...
National Natural Science Foundation of China (No.10572038);the Program for New Century Excellent Talents in University .
The mechanism of filament pre-tension is put forward. The effect of filament pre-tension on Sirofil composite yam properties, such as hairiness and structural stability, are theoretically and experimentally studied. T...