采用DSC研究了不同拉伸比的单轴取向PET纤维在不同湿度下的冷结晶过程。
The cool crystallization of uniaxially oriented PET was studied at different draw ratios and humidity by DSC.
发现体积含量为f的短纤维无序取向SFRC一维力学行为，等效于体积含量为F的短纤维单轴取向SFRC在取向轴上的力学行为。
One dimensional mechanical behavior of isotropic SFRC with fiber volume fraction fis equal to axial mechanical behavior of unidirec-tionally aligned short fiber composite with fiber volume fraction F.
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