Insight into reactions and interface between boron nitride nanotube and aluminium

Lahiri, Debrupa, Singh, Virendra, Li, Lu Hua, Tan, Xing, Seal, Sudipta, Chen, Ying and Agarwal, Arvind 2012, Insight into reactions and interface between boron nitride nanotube and aluminium, Journal of materials research, vol. 27, no. 21, pp. 2760-2770.

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Title Insight into reactions and interface between boron nitride nanotube and aluminium
Author(s) Lahiri, Debrupa
Singh, Virendra
Li, Lu Hua
Tan, Xing
Seal, Sudipta
Chen, Ying
Agarwal, Arvind
Journal name Journal of materials research
Volume number 27
Issue number 21
Start page 2760
End page 2770
Total pages 11
Publisher Cambridge University Press
Place of publication Cambridge, England
Publication date 2012-11-14
ISSN 0884-2914
2044-5326
Keyword(s) boron nitride nanotube
aluminum
interface
Summary Nature and mechanism of interfacial reactions between boron nitride nanotubes (BNNTs) and aluminum matrix at high temperature (650 °C) are studied using high-resolution transmission electron microscopy (HRTEM). This study analyzes the feasibility of the use of BNNTs as reinforcement in aluminum matrix composites for structural application, for which interface plays a critical role. Thermodynamic comparison of aluminum (Al)-BNNT with analogous Al-carbon nanotube (Al-CNT) system reveals lesser amount of reaction in the former. Experimental observation also reveals thin (~7 nm) reaction-product formation at Al-BNNT interface even after 120 min of exposure at 650 °C. The spatial distribution of the reaction-product species at the interface is governed by the competitive diffusion of N, Al, and B. Morphology of the reaction products are influenced by their orientation relationship with BNNT walls. A theoretical prediction on Al-BNNT interface in macroscale composite suggests the formation of strong bond between the matrix and reinforcement phase.
Language eng
Field of Research 100708 Nanomaterials
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
Persistent URL http://hdl.handle.net/10536/DRO/DU:30052720

Document type: Journal Article
Collection: Institute for Frontier Materials
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