Dynamic mechanical analysis of cenosphere/hdpe syntactic foams

S. E. Zeltmann, Nikhil Gupta, B. R B Kumar, M. Doddamani

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

High density polyethylene (HDPE) syntactic foams containing fly ash cenospheres as the hollow filler are fabricated using an industrial scale injection molding machine and studied for their dynamic mechanical behavior. Syntactic foams using thermoset matrix materials and engineered glass hollow particles have long been used as buoyancy devices and thermal insulation in the marine sector and as a lightweight sandwich core in the aerospace industry. This class of materials is attractive because of high mechanical properties in compression, tailorable density, and improved thermal properties. The constituents are used in as-received condition, without surface treatments. These lightweight composites can be highly beneficial in developing consumer goods by reducing consumption of HDPE. Syntactic foams are produced containing 20, 40, and 60% cenospheres by weight. A temperature sweep from 35-130°C and a frequency sweep from 1-100 Hz are conducted on the fabricated syntactic foams. At all temperatures, syntactic foams show higher storage and loss moduli and lower damping than neat HDPE. Syntactic foams with 60 wt.% cenospheres show only a small increase in properties compared to those with 40 vol.% due to particle breakage during processing. However, high particle loading has the benefit of reducing consumption of HDPE. The time-temperature superposition principle is used to extend the frequency response to cover the range 10-2-106 Hz.

Original languageEnglish (US)
Title of host publicationProceedings of the American Society for Composites - 31st Technical Conference, ASC 2016
PublisherDEStech Publications Inc.
ISBN (Electronic)9781605953168
StatePublished - 2016
Event31st Annual Technical Conference of the American Society for Composites, ASC 2016 - Williamsburg, United States
Duration: Sep 19 2016Sep 21 2016

Other

Other31st Annual Technical Conference of the American Society for Composites, ASC 2016
CountryUnited States
CityWilliamsburg
Period9/19/169/21/16

Fingerprint

Dynamic mechanical analysis
Syntactics
Foams
Polyethylene
High density polyethylenes
Coal Ash
Aerospace industry
Thermosets
Thermal insulation
Buoyancy
Fly ash
Injection molding
Temperature
Frequency response
Surface treatment
Fillers
Thermodynamic properties
Damping
Glass
Mechanical properties

ASJC Scopus subject areas

  • Ceramics and Composites

Cite this

Zeltmann, S. E., Gupta, N., Kumar, B. R. B., & Doddamani, M. (2016). Dynamic mechanical analysis of cenosphere/hdpe syntactic foams. In Proceedings of the American Society for Composites - 31st Technical Conference, ASC 2016 DEStech Publications Inc..

Dynamic mechanical analysis of cenosphere/hdpe syntactic foams. / Zeltmann, S. E.; Gupta, Nikhil; Kumar, B. R B; Doddamani, M.

Proceedings of the American Society for Composites - 31st Technical Conference, ASC 2016. DEStech Publications Inc., 2016.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Zeltmann, SE, Gupta, N, Kumar, BRB & Doddamani, M 2016, Dynamic mechanical analysis of cenosphere/hdpe syntactic foams. in Proceedings of the American Society for Composites - 31st Technical Conference, ASC 2016. DEStech Publications Inc., 31st Annual Technical Conference of the American Society for Composites, ASC 2016, Williamsburg, United States, 9/19/16.
Zeltmann SE, Gupta N, Kumar BRB, Doddamani M. Dynamic mechanical analysis of cenosphere/hdpe syntactic foams. In Proceedings of the American Society for Composites - 31st Technical Conference, ASC 2016. DEStech Publications Inc. 2016
Zeltmann, S. E. ; Gupta, Nikhil ; Kumar, B. R B ; Doddamani, M. / Dynamic mechanical analysis of cenosphere/hdpe syntactic foams. Proceedings of the American Society for Composites - 31st Technical Conference, ASC 2016. DEStech Publications Inc., 2016.
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