Hollow-grained “Voronoi foam” ceramics with high strength and thermal superinsulation up to 1400 °C od Li, Sa, Wang, Chang-An, Yang, Fuqian, An, Linan, So, Kangpyo, Li, Ju

“…By taking advantage of the high-temperature stability of refractory ceramics, here we develop a new approach of making hollow nano-grained materials to achieve thermal superinsulation across a wide temperature range, where the gaseous voids are mostly isolated within individual grain, with size comparable to the mean free path of air molecules to lower the thermal conduction by Knudsen effect. …”
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Feasibility study of a novel aerogel-based thermally sprayed coating od Abu Talib, Abd Rahim, Bheekhun, Nadiir

“…As far as thermal insulation is concerned, silica aerogel has always been attributed with the notion of superinsulation due to its superior heat resistance compared to conventional materials. …”
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