NDLI: Improved Thermal Conductivity in Carbon Nanotubes-Reinforced Syntactic Foam Achieved by a New Dispersing Technique

Content Provider	Springer Nature Link
Author	Bhat, P. Zegeye, E. Ghamsari, A. K. Woldesenbet, E.
Copyright Year	2014
Abstract	Syntactic foams are composite materials in which the matrix phase is reinforced with hollow micro-particles. Traditionally, syntactic foams are used for many high strength applications and as insulating materials. However, for applications demanding better heat dissipation, such as thermal management of electronic packaging, conductive fillers need to be added to syntactic foam. Carbon nanotubes (CNTs), although extremely conductive, have issues of agglomeration in the matrix. In this research, CNT-reinforced syntactic foam was developed based on our approach through which CNTs were dispersed throughout the matrix by growing them on the surface of glass microballoons. The thermal conductivity of nanotube-grown syntactic foam was tested with a Flashline$^{®}$ thermal analyzer. For comparison purposes, plain and nanotube-mixed syntactic foams were also fabricated and tested. Nanotube-grown microballoons improved the thermal conductivity of syntactic foam by 86% and 92% (at 50°C) compared to plain and nanotube-mixed syntactic foams, respectively. The improved thermal conductivity as well as the microstructural analysis proved the effectiveness of this approach for dispersing the carbon nanotubes in syntactic foams.
Starting Page	2848
Ending Page	2854
Page Count	7
File Format	PDF
ISSN	10474838
Journal	JOM
Volume Number	67
Issue Number	12
e-ISSN	15431851
Language	English
Publisher	Springer US
Publisher Date	2014-09-16
Publisher Institution	The Minerals, Metals & Materials Society (TMS)
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Engineering Chemistry/Food Science Physics Environment Earth Sciences
Content Type	Text
Resource Type	Article
Subject	Engineering Materials Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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