Superior mechanical properties of lithium aluminosilicate composites by pyrolytic carbon intercalated carbon fibers/carbon nanotubes multi-scale reinforcements

doi:10.1016/j.ceramint.2021.08.180

IR > 理学院

	Superior mechanical properties of lithium aluminosilicate composites by pyrolytic carbon intercalated carbon fibers/carbon nanotubes multi-scale reinforcements
	Zhu, Pengyu 1; Wang, Chi 1; Wang, Xinyu 1; Yang, Hua2 ; Xu, Guirong 3; Qin, Chunlin 1; Xiong, Li 1; Wen, Guangwu 4; Xia, Long 1
	2021-12-01
发表期刊	CERAMICS INTERNATIONAL
ISSN	0272-8842
卷号	47 期号:23 页码:32837-32846
摘要	Performance degradation always occurs in carbon fibers/carbon nanotubes (CFs/CNTs) multi-scale reinforced composites prepared by chemical vapor deposition (CVD) method. In this study, pyrolytic carbon (PyC) interlayers are introduced to overcome this problem, and the mechanism is studied in detail. The multi-scale reinforcements are combined with lithium aluminosilicate (LAS) glass-ceramic into ceramic matrix composites by slurry impregnation and hot pressing sintering. The results show that the PyC interlayers can protect the CFs from corrosion of the catalyst at high temperature, improve stress transfers and promote the synergy between various components. The CNTs and LAS matrix form a transition area, which causes deflection and shunting when cracks propagate. These factors have greatly increased the crack extension energy, so the mechanical properties have been greatly improved. The flexural strength, fracture toughness and work of fracture reach 602 +/- 55 MPa, 10.7 +/- 2 MPa m1/2, 4.6 +/- 0.7 kJ m- 2, respectively, which are 42.3%, 42.6% and 76.9% higher than CF/LAS. This work expands the study of the CFs/CNTs multi-scale reinforcements and the LAS composites, and provides a useful reference for the related research.
关键词	Carbon fibers carbon nanotubes (CFs CNTs) multi-scale reinforcements Performance degradation Pyrolytic carbon (PyC) Lithium aluminosilicate (LAS) glass-ceramic Mechanical properties
DOI	10.1016/j.ceramint.2021.08.180
收录类别	SCIE
语种	英语
WOS研究方向	Materials Science
WOS类目	Materials Science, Ceramics
WOS记录号	WOS:000708577400002
出版者	ELSEVIER SCI LTD
来源库	WOS
引用统计	被引频次：1[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	https://ir.lut.edu.cn/handle/2XXMBERH/149978
专题	理学院
通讯作者	Wang, Xinyu; Xia, Long
作者单位	1.Harbin Inst Technol Weihai, Sch Mat Sci & Engn, Weihai 264209, Peoples R China; 2.Lanzhou Univ Technol, Sch Sci, Lanzhou 730050, Peoples R China; 3.Avic Harbin Aircraft Ind Grp Co LTD, Harbin 150066, Peoples R China; 4.Shandong Univ Technol, Sch Mat Sci & Engn, Zibo 255049, Shandong, Peoples R China
推荐引用方式 GB/T 7714	Zhu, Pengyu,Wang, Chi,Wang, Xinyu,et al. Superior mechanical properties of lithium aluminosilicate composites by pyrolytic carbon intercalated carbon fibers/carbon nanotubes multi-scale reinforcements[J]. CERAMICS INTERNATIONAL,2021,47(23):32837-32846.
APA	Zhu, Pengyu.,Wang, Chi.,Wang, Xinyu.,Yang, Hua.,Xu, Guirong.,...&Xia, Long.(2021).Superior mechanical properties of lithium aluminosilicate composites by pyrolytic carbon intercalated carbon fibers/carbon nanotubes multi-scale reinforcements.CERAMICS INTERNATIONAL,47(23),32837-32846.
MLA	Zhu, Pengyu,et al."Superior mechanical properties of lithium aluminosilicate composites by pyrolytic carbon intercalated carbon fibers/carbon nanotubes multi-scale reinforcements".CERAMICS INTERNATIONAL 47.23(2021):32837-32846.