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dc.contributor.authorNayak, V.U.
dc.contributor.authorPrabhu, N.K.
dc.date.accessioned2020-03-31T08:48:12Z-
dc.date.available2020-03-31T08:48:12Z-
dc.date.issued2016
dc.identifier.citationJournal of Materials Engineering and Performance, 2016, Vol.25, 4, pp.1474-1480en_US
dc.identifier.uri10.1007/s11665-016-1962-2
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/13577-
dc.description.abstractAqueous graphene nanofluids having concentrations 0.01, 0.1, and 0.3 vol.% were used as heat transfer media during quenching of ISO 9950 inconel alloy probe. Contact angle measurements were carried out to assess the wettability of graphene nanofluids. Nanofluids showed better wettability compared to base water with over 16% reduction in their contact angles. The cooling performance of the quench media was assessed by cooling curve analysis during quenching of an instrumented inconel probe from 860��C into the quench medium. Recorded temperature readings showed longer vapor phase stage during quenching with nanofluids. The severity of nanofluids was found to be lower relative to water. During quenching with nanofluids, the estimated�spatiotemporal heat flux transients at the metal/quenchant interface showed that more heat was removed during the vapor phase stage of cooling. The present study brings out the possibility of using stable water-graphene nanoplatelet suspensions for quench heat treatment of�steel components requiring cooling severity between water and oil/polymer quenchants. � 2016, ASM International.en_US
dc.titleWetting Behavior and Heat Transfer of Aqueous Graphene Nanofluidsen_US
dc.typeArticleen_US
Appears in Collections:1. Journal Articles

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