Person:
Arrabal Durán, Raúl

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First Name
Raúl
Last Name
Arrabal Durán
URI
https://hdl.handle.net/20.500.14352/76221
Affiliation
Universidad Complutense de Madrid
Faculty / Institute
Ciencias Químicas
Department
Ingeniería Química y de Materiales
Area
Ciencia de los Materiales e Ingeniería Metalúrgica
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End date: 2009 × Subject: 66.0 ×

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    Corrosion behaviour of silicon-carbide-particle reinforced AZ92 magnesium alloy
    (Corrosion Science, 2009) Pardo Gutiérrez Del Cid, Ángel; Merino S.; Merino Casals, María Concepción; Mohedano Sánchez, Marta; Arrabal Durán, Raúl
    The corrosion behaviour of silicon–carbide-particle (SiCp) reinforced AZ92 magnesium alloy manufactured by a powder metallurgy process was evaluated in 3.5 wt.% NaCl solution, neutral salt fog (ASTM B 117) and high relative humidity (98% RH, 50 °C) environments. The findings revealed severe corrosion of AZ92/SiC/0-10p materials in salt fog environment with formation of corrosion products consisting of Mg(OH)2 and (Mg,Al)x(OH)y. The addition of SiCp increased the corrosion rate and promoted cracking and spalling of the corrosion layer for increasing exposure times. Composite materials revealed higher corrosion resistance in high humidity atmosphere with almost no influence of SiCp on the corrosion behaviour.