UM
Remarkable mechanical enhancement achieved by interfacial strengthening of organic/inorganic/fiber composites
Sun, Guoxing; Liang, Rui; Lu, Zeyu; Shi, Tiansheng; Geng, Ping; Li, Zongjin
2017-07
Source PublicationCONSTRUCTION AND BUILDING MATERIALS
ISSN0950-0618
Volume142Pages:7-10
AbstractIn this study, a series of organic/inorganic composites were fabricated by melt-mixing ultra-high molecular weight polyethylene (UHMWPE) powder with a mixture of magnesia, potassium di-hydrogen phosphate and water. The microstructure and chemical composition of the composites were characterized by scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDX). Three point bending tests showed that the flexural strength and toughness of the composites were improved with the increase of polymer content. The flexural strength of the composite with 25.0 wt% UHMWPE was 7.7 MPa, and can be dramatically enhanced to 21.1 MPa by incorporating only 0.1 vol% of oriented thermotropic liquid crystalline copolyester (TLCP) fibers. The improvement is due to the enhanced interfacial bonding between the polymer and fibers, which was much stronger than that between the inorganic phase and fibers, making the fibers adequately contribute to the mechanical strength of the three-component composite. Our results demonstrated that the interfacial strengthening between fiber and inorganic matrix achieved by interpenetrated organic phase helps to establish a strong composite system. (C) 2017 Elsevier Ltd. All rights reserved.
KeywordPolymer Fiber Interpenetration network Interfacial strengthening Flexural strength
DOI10.1016/j.conbuildmat.2017.03.041
URLView the original
Indexed BySCI
Language英语
WOS Research AreaConstruction & Building Technology ; Engineering ; Materials Science
WOS SubjectConstruction & Building Technology ; Engineering, Civil ; Materials Science, Multidisciplinary
WOS IDWOS:000400212000002
PublisherELSEVIER SCI LTD
The Source to ArticleWOS
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Document TypeJournal article
CollectionUniversity of Macau
Recommended Citation
GB/T 7714
Sun, Guoxing,Liang, Rui,Lu, Zeyu,et al. Remarkable mechanical enhancement achieved by interfacial strengthening of organic/inorganic/fiber composites[J]. CONSTRUCTION AND BUILDING MATERIALS,2017,142:7-10.
APA Sun, Guoxing,Liang, Rui,Lu, Zeyu,Shi, Tiansheng,Geng, Ping,&Li, Zongjin.(2017).Remarkable mechanical enhancement achieved by interfacial strengthening of organic/inorganic/fiber composites.CONSTRUCTION AND BUILDING MATERIALS,142,7-10.
MLA Sun, Guoxing,et al."Remarkable mechanical enhancement achieved by interfacial strengthening of organic/inorganic/fiber composites".CONSTRUCTION AND BUILDING MATERIALS 142(2017):7-10.
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