DEFORMATION-BEHAVIOR OF ORIENTED UHMW-PE FIBERS

被引:36
作者
GOVAERT, LE
LEMSTRA, PJ
机构
[1] Centre for Polymers and Composites, Eindhoven University of Technology, Eindhoven, 5600 MB
关键词
POLYETHYLENE; FIBERS; STRUCTURE; DYNAMIC BEHAVIOR; VOLUME EXPANSION;
D O I
10.1007/BF00665989
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The mechanical behavior of gel-spun, ultra-drawn, UHMW-PE fibers was investigated as a function of temperature, stress, and time under static and dynamic loading conditions. From a phenomenological point of view, two separate contributions to the deformation behavior could be distinguished, i.e., a reversible (viscoelastic) contribution and an irreversible plastic flow component. it was investigated whether or not this distinction can be rationalized on a molecular basis. The fibers were studied using static (creep) and dynamic mechanical analysis (DMA), dilatometry, and wide-angle x-ray scattering (WAXS). The results of the combined experimental observations are discussed in an attempt to relate the deformation behavior of highly oriented PE fibers to events occurring on a molecular scale.
引用
收藏
页码:455 / 464
页数:10
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