Metal pores advance heat transfer

Versarien has produced a micro-porous metallic material which it hopes will radically change the field of thermal management. Utilising metallurgy research conducted at the University of Liverpool,

VersarienCu is up to 10 times more effective at transferring heat energy than conventional micro-channel heat sinks of equivalent size. It has a heat transfer coefficient of approximately 150 - 200 kW/m2K.

Its patented Lost Carbonate Sintering (LCS) process allows a homogeneous distribution of microfine pores throughout the copper based material. The open cell porous metal structure permits a dramatic reduction in heat sink weight and physical dimensions compared to competing products for a given level of heat transfer. Pore diameters from 20µm to 1mm can be specified, with porosity levels of up to 85% provided.

Broad applications include data communications, renewable energy, power distribution, avionics, defence, automotive, transportation, gaming and motorsport.

Neill Ricketts, CEO and founder of Versarien Ltd, says: "The fine, open, interconnected pores allow a major performance improvement – with thermal transfer levels that are an order of magnitude better than the thermal management solutions currently on the market."

Author
Justin Cunningham

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