“龟裂”纳米纤维片/玻纤织物复合预制体的层间渗流特性

doi:10.11896/j.issn.1005-023X.2018.24.030

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Abstract The “cracked” TiO₂ nanofiber sheets/glass fiber composite preforms were fabricated by electrospinning and high temperature sintering in this paper. The preparation process of TiO₂ nanofiber sheets was optimized by optical microscope. The permeability of composite preforms incorporated with TiO₂ nanofiber sheets with different thickness was measured by the radial flow experiments with emphasis on the effect of the "cracked" nanofiber sheets on the impregnating pattern of glass-fiber preforms. The results show that the nanofiber sheets with good cracking morphology and high adhesion can be fabricated on the surface of glass fiber with the amount of spinning sols of 1.0—4.0 mL. Compared with the blank glass-fiber preforms, the principal permeabilities of composite preforms increase by two or three orders of magnitude. The anisotropy extent of composite preforms increase with the increa-sing of the amount of spinning sols. The Synchronization of macro-and micro-flow exist in the composite preforms, meanwhile, it increase with the filling time.

Key words： “cracked” nanofiber sheets glass fiber composite preform radial flow experiments permeability impregnating pattern

Published: 23 January 2019

CLC number:

TB332

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	Articles by authors
	WU Ning
	YANG Jie
	GAO Yang
	QIAO Zhiyong
	ZHENG Shanshan
	PEI Xiaoyuan
	JIAO Yanan

Cite this article:

WU Ning,YANG Jie,GAO Yang, et al. Permeability Property of “Cracked” Nanofiber Sheets/Glass Fiber Composite Preform[J]. Materials Reports, 2018, 32(24): 4374-4380.

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http://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2018.24.030 OR http://www.mater-rep.com/EN/Y2018/V32/I24/4374

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