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Coating inhibits transfer of heat from exhausts

A Zircotec product story
Edited by the Engineeringtalk editorial team May 7, 2009

Automobili Lamborghini has selected Zircotec to supply a thermal barrier for the lightweight Murcielago LP 670-4 SuperVeloce (SV).

The ceramic-based thermal coating is applied to the SV's lighter exhaust system, and inhibits heat transfer from the exhaust pipe, protecting heat-sensitive components from damage.

Zircotec's zirconia-based ceramic coating offers OEMs a robust, easily packaged solution that can inhibit the transfer of heat from exhausts and catalysts, retaining the heat inside the system to protect surrounding components.

The coating is plasma-sprayed, in effect welding it to the base material, making it more resilient during heat cycling, abrasion and life testing.

The process eradicates the need for heatshields and wraps that add weight and complexity.

Zircotec can 'tune' the coating's thickness to cope with 'hot spots', applying the optimum amount of ceramic to minimise weight (as low as 0.03g/cm for some applications).

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