A simple method for a protective coating on stainless steel against molten aluminum alloy comprising polymer-derived ceramics, oxides and refractory ceramics - Archive ouverte HAL Access content directly
Journal Articles Materials Year : 2021

A simple method for a protective coating on stainless steel against molten aluminum alloy comprising polymer-derived ceramics, oxides and refractory ceramics

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Abstract

A new coating based on polymer-derived ceramics (PDC), oxides and refractory ceramic with a thickness of around 50 µm has been developed to improve the resistance corrosion of stainless steel substrate against molten aluminum alloy in a thermal energy storage (TES) system designed to run at high temperature (up to 600 °C). These coatings implemented by straightforward methods, like tape casting or paintbrush, were coated on planar and cylindrical stainless-steel substrates, pyrolyzed at 700 °C before being plunged for 600 and 1200 h in molten AlSi12 at 700 °C. The stainless-steel substrate appears healthy without intermetallic compounds, characteristic of molten aluminum alloy corrosion. The protective coating against AlSi12 corrosion shows excellent performance and appears interesting for TES applications.
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Dates and versions

cea-03325359 , version 1 (24-08-2021)

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Attribution - CC BY 4.0

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Sébastien Quenard, Marilyne Roumanie. A simple method for a protective coating on stainless steel against molten aluminum alloy comprising polymer-derived ceramics, oxides and refractory ceramics. Materials, 2021, 14 (6), pp.1519. ⟨10.3390/ma14061519⟩. ⟨cea-03325359⟩
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