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题名: Fatigue and Fracture Reliability of Shell-Mimetic PE/TiO2 Nanolayered Composites
作者: Yang, Y. J.;  Zhang, B.;  Tan, H. F.;  Luo, X. M.;  Zhang, G. P.
发表日期: 2017-8-1
摘要: Shell-mimetic (PE/TiO2)(4) nanolayered composites stacked alternatively by 20nm-thick PE layers and 55nm-thick nanocrystalline TiO2 layers are synthesized by a combination of the layer-by-layer self-assembly and the chemical bath deposition methods. The critical cracking strain and the apparent fracture energy of the bio-mimetic nanolayered composites are determined as 0.56% and 0.98Jm(-2), respectively, by the simply supported beam bending testing. Fatigue properties of the (PE/TiO2)(4) nanolayered composites are evaluated by the dynamic bending testing method. The critical fatigue strain amplitude corresponding to the lowest strain amplitude for fatigue cracking of the present (PE/TiO2)(4) NLCs is 0.0853%, which is much lower than the critical cracking strain (0.56%) under monotonic bending. The finding indicates that the potential fatigue threat to the long-term reliability of the bio-mimetic nanolayered composites needs to be concerned.
Appears in Collections:中国科学院金属研究所_期刊论文

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Recommended Citation:
Yang, Y. J.,Zhang, B.,Tan, H. F.,et al. Fatigue And Fracture Reliability Of Shell-mimetic Pe/tio2 Nanolayered Composites[J]. Wiley-v C H Verlag Gmbh,2017,19(8):-.

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