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Title: Corrosion behaviour of AA2014 aluminium alloy-cenospheres syntactic foam in 3.5% NaCl solution
Authors: Singh, I B
Mondal, D P
Singh, M
Bhadkul, Anshul
Jha, Nidhi
Keywords: Al alloy- cenosphere foam;Corrosion;Metal matrix composites;Polarization
Issue Date: May-2014
Publisher: NISCAIR-CSIR, India
Abstract: Corrosion behaviour of as-cast cenospheres reinforced AA2014 Al-alloy syntactic foam has been compared with that of as-cast virgin alloy (AA2014 Al-alloy) in 3.5% NaCl solution. The corrosion studies of these materials through electrochemical measurements indicate that the syntactic foam exhibits less corrosion rate when it contains up to 40 vol% of cenospheres. It is observed that the corrosion rate is further reduced with increase in cenosphere size from 75 µm to 125 µm. A detail corrosion mechanism has been presented schematically and discussed in the light of cenosphere size and volume fraction in the syntactic foam.
Page(s): 168-175
ISSN: 0975-0991 (Online); 0971-457X (Print)
Appears in Collections:IJCT Vol.21(3) [May 2014]

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