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Mineral-Metal, Multi-Phase Coatings to Protect Combustion Chamber Components Against Hot-Gas Corrosion and Thermal Loading

[+] Author Affiliations
Vadim Verlotski, Rudolf H. Stanglmaier, Günter Moormann, Ralph Geraets

Märkisches Werk, GmbH, Halver, Germany

Paper No. ICEF2010-35068, pp. 41-47; 7 pages
doi:10.1115/ICEF2010-35068
From:
  • ASME 2010 Internal Combustion Engine Division Fall Technical Conference
  • ASME 2010 Internal Combustion Engine Division Fall Technical Conference
  • San Antonio, Texas, USA, September 12–15, 2010
  • Conference Sponsors: Internal Combustion Engine Division
  • ISBN: 978-0-7918-4944-6 | eISBN: 978-0-7918-3882-2
  • Copyright © 2010 by ASME

abstract

Many marine and stationary engines operate on fuels that contain corrosive elements, with the result that some highly-loaded combustion chamber components must be replaced frequently. MWH has pioneered the development of mineral-metal, multi-phase coatings to protect valves and other highly-loaded engine components against hot-gas corrosion. Mineral-metal, multi-phase coatings are a unique and innovative approach to improving hot-gas corrosion resistance in a cost-effective manner. In general, these coatings combine the beneficial chemical and thermal attributes of ceramic coatings with the mechanical properties and substrate adhesion characteristics of a metal. Extensive laboratory and field trials have proven that MWH CrystalCoat protects HFO engine exhaust valves against hot-gas corrosion. It is projected that the newest coating formulation (CrystalCoat HT) will protect 4-stroke HFO exhaust valves against hot-gas corrosion over their entire service life.

Copyright © 2010 by ASME

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