期刊
POLYMER TESTING
卷 74, 期 -, 页码 216-224出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.polymertesting.2018.12.027
关键词
Fatigue damage; Damage evolution; Glass/epoxy materials; Broken fibers
资金
- Danish Centre for Composite Structures and Materials for Wind Turbines (DCCSM) from the Danish Strategic Research Council [09-067212]
- Otto Monsteds Fond
The initiation and progression of fiber damage in on-axis UD glass/epoxy materials under fatigue loading conditions were studied. Uniaxial tension-tension fatigue tests at different load levels were carried out to monitor the fiber damage evolution through the fatigue lifetime. The damage evolution was quantified by initial fiber breaks, the evolution of fiber breaks, fragmentation and clustering progression. Through qualitative and quantitative analyses, it is shown how the fiber damage evolution depends on the number of cycles, the applied load level and the number of broken fibers during the first cycle.
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