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Fatigue and Fracture Reliability of Shell-Mimetic PE/TiO2 Nanolayered Composites
Yang, Y. J.; Zhang, B.; Tan, H. F.; Luo, X. M.; Zhang, G. P.; Zhang, B (reprint author), Northeastern Univ, Sch Mat Sci & Engn, Key Lab Anisotropy & Texture Mat, Minist Educ, 3-11 Wenhua Rd, Shenyang 110819, Liaoning, Peoples R China.
2017-08-01
发表期刊WILEY-V C H VERLAG GMBH
ISSN1438-1656
卷号19期号:8页码:-
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.; 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.
部门归属[yang, y. j. ; zhang, b. ; tan, h. f.] northeastern univ, sch mat sci & engn, key lab anisotropy & texture mat, minist educ, 3-11 wenhua rd, shenyang 110819, liaoning, peoples r china ; [luo, x. m. ; zhang, g. p.] chinese acad sci, shenyang natl lab mat sci, inst met res, 72 wenhua rd, shenyang 110016, liaoning, peoples r china
学科领域Materials Science, Multidisciplinary
资助者National Natural Science Foundation of China (NSFC) [51371047, 51671050]; NSFC [51571199]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/79163
专题中国科学院金属研究所
通讯作者Zhang, B (reprint author), Northeastern Univ, Sch Mat Sci & Engn, Key Lab Anisotropy & Texture Mat, Minist Educ, 3-11 Wenhua Rd, Shenyang 110819, Liaoning, Peoples R China.
推荐引用方式
GB/T 7714
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):-.
APA Yang, Y. J.,Zhang, B.,Tan, H. F.,Luo, X. M.,Zhang, G. P.,&Zhang, B .(2017).Fatigue and Fracture Reliability of Shell-Mimetic PE/TiO2 Nanolayered Composites.WILEY-V C H VERLAG GMBH,19(8),-.
MLA Yang, Y. J.,et al."Fatigue and Fracture Reliability of Shell-Mimetic PE/TiO2 Nanolayered Composites".WILEY-V C H VERLAG GMBH 19.8(2017):-.
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