Aluminum slurry coatings to replace cadmium for aeronautic applications

Agüero, A.; Hoyo, J.C. del; Garcia de Blas Villanueva, Francisco Javier; García, M.; Gutiérrez, M.; Madueño, L. y Ulargui, S. (2012). Aluminum slurry coatings to replace cadmium for aeronautic applications. "Surface and Coatings Technology", v. 213 ; pp. 229-238. ISSN 0257-8972. https://doi.org/10.1016/j.surfcoat.2012.10.052.

Descripción

Título: Aluminum slurry coatings to replace cadmium for aeronautic applications
Autor/es:
  • Agüero, A.
  • Hoyo, J.C. del
  • Garcia de Blas Villanueva, Francisco Javier
  • García, M.
  • Gutiérrez, M.
  • Madueño, L.
  • Ulargui, S.
Tipo de Documento: Artículo
Título de Revista/Publicación: Surface and Coatings Technology
Fecha: Diciembre 2012
Volumen: 213
Materias:
Palabras Clave Informales: Cadmium coating replacement; Aluminum slurry; Steel; Atmospheric corrosion; Aeronautical applications
Escuela: E.T.S.I. Aeronáuticos (UPM) [antigua denominación]
Departamento: Otro
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

Cadmium has been widely used as a coating to provide protection against galvanic corrosion for steels and for its natural lubricity on threaded applications. However, it is a toxic metal and a known carcinogenic agent, which is plated from an aqueous bath containing cyanide salts. For these reasons, the use of cadmium has been banned in Europe for most industrial applications. However, the aerospace industry is still exempt due to the stringent technical and safety requirements associated with aeronautical applications, as an acceptable replacement is yet to be found. Al slurry coatings have been developed as an alternative to replace cadmium coatings. The coatings were deposited on AISI 4340 steel and have been characterized by optical and electron microscopy. Testing included salt fog corrosion exposure, fluid corrosion exposure (immersion), humidity resistance, coating-substrate and paint-coating adhesion, electric conductivity, galvanic corrosion, embrittlement and fatigue. The results indicated that Al slurry coatings are an excellent alternative for Cd replacement.

Más información

ID de Registro: 14060
Identificador DC: http://oa.upm.es/14060/
Identificador OAI: oai:oa.upm.es:14060
Identificador DOI: 10.1016/j.surfcoat.2012.10.052
URL Oficial: http://www.sciencedirect.com/science/article/pii/S0257897212010225
Depositado por: Memoria Investigacion
Depositado el: 20 Dic 2012 11:03
Ultima Modificación: 16 Nov 2016 07:41
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