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Necsulescu, D.A. (2011) The Effects of Corrosion on the Mechanical Properties of Aluminium Alloy 7075-T6. UPB Scientific Bulletin, Series B, 73, 223-229.

has been cited by the following article:

  • TITLE: Corrosion Behavior of Cenosphere Reinforced Al7075 Metal Matrix Composite —An Experimental Approach

    AUTHORS: Ravi Kumar D. V.  , Seenappa  , C. R. Prakash Rao, V. Bharat

    KEYWORDS: Al7075, Cenosphere, Metal Matrix Composites, NaCl, NaOH, Salt Spray Test, Corrosion Wear

    JOURNAL NAME: Journal of Minerals and Materials Characterization and Engineering, Vol.6 No.3, May 25, 2018

    ABSTRACT: Aluminum-based metal matrix composites (MMCs) are considered in several technological applications owing to their enhanced mechanical properties when compared with monolithic metals. Research on the mechanical properties MMCs was done by many researchers; however in depth study on the oxidation behavior of cenosphere, reinforced MMCs are required, since the application of Aluminum-based MMCs is extensively used in applications like automobile, navigation and aviation, where the demand on light weight corrosion resistance material is very much required. In the present work varied compositions of Al7075 grade Aluminum-cenosphere composites use liquid metallurgy route adopting stir casting approach. The experimental study was aimed at experimental investigations of developed composites under different corrosive environments. The corrosion tests were carried out as per ASTM standards. Salt spray test using NaCl was carried out as per ASTM B117 and immersion tests using NaCl and NaOH as corrodents were carried out by following ASTM G31 standards. The results obtained from the tests revealed that as increase in weight % of reinforcement, corrosion resistance increases up to 7.5% reinforcement, and further the corrosion resistance decreases marginally. Solution heat treated samples exhibited higher resistance to oxidation than cast samples in all corrosive environments. The SEM images show the presence of micro cracks and occurrence of pitting corrosion on the corrosion tested specimens.