Water film coated composite liquid metal marble and its fluidic impact dynamics phenomenon
Received date: 26 Jun 2015
Accepted date: 19 Sep 2015
Published date: 29 Feb 2016
Copyright
A composite liquid metal marble made of metal droplet coated with water film was proposed and its impact dynamics phenomenon was disclosed. After encapsulating the liquid metal into water droplets, the fabricated liquid marble successfully avoided being oxygenized by the metal fluid and thus significantly improved its many physical capabilities such as surface tension modification and shape control. The striking behaviors of the composite liquid metal marbles on a substrate at room temperature were experimentally investigated in a high speed imaging way. It was disclosed that such marbles could disintegrate, merge, and even rebound when impacting the substrate, unlike the existing dynamic fluidic behaviors of liquid marble or metal droplet. The mechanisms lying behind these features were preliminarily interpreted. This fundamental finding raised profound multiphase fluid mechanics for understanding the complex liquid composite which was also critical for a variety of practical applications such as liquid metal jet cooling, inkjet printed electronics, 3D printing or metal particle fabrication etc.
Yujie DING , Jing LIU . Water film coated composite liquid metal marble and its fluidic impact dynamics phenomenon[J]. Frontiers in Energy, 2016 , 10(1) : 29 -36 . DOI: 10.1007/s11708-015-0388-0
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