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形状记忆纤维是指纤维一次成型时,能记忆外界赋予的初始形状和特性,定型后的纤维可以任意地发生形变,并在较低的温度下将此形变固定下来(二次成形),或者在外力的强迫下将此变形固定下来。但当已经变形的纤维在遇到特定的外部刺激时,形状记忆纤维可回复
Shape memory fiber refers to the initial shape and characteristics imparted by the outside world when the fiber is molded once. The shaped fiber can be randomly deformed and fixed at a lower temperature (secondary forming) Forced under the force of this deformation fixed. But when the deformed fibers encounter specific external stimuli, the shape memory fibers can recover