Abstract
The corrosion characteristics, in 3.5 wt% NaCl solution, of aluminium alloy composites containing a range of reinforcements have been investigated using potentiostatic measurements and simple immersion tests. Complementary microstructural studies carried out on corroded surfaces and sections through corroded material have identified a number of preferential corrosion sites; these include the fiber/matrix interface, especially where it contains chemical reaction products resulting from composite fabrication, as well as second phases and pores in the metal matrix. The effect on corrosion behaviour of the different reinforcements, with particular reference to their chemistry and geometry, is discussed, as is the influence of composite manufacturing route.
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Coleman, S.L., Scott, V.D. & McEnaney, B. Corrosion behaviour of aluminium-based metal matrix composites. J Mater Sci 29, 2826–2834 (1994). https://doi.org/10.1007/BF01117589
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DOI: https://doi.org/10.1007/BF01117589