Temperature effects on the erosion of aluminum alloy

Abstract Temperature effects on the erosion of the 6063 aluminum alloy were investigated. Erosion experiments were performed by sandblasting silicon carbide particles of 80 grit size. The target volume loss, and worn depths of the eroded material were investigated at different temperatures. It was found that the temperature had only a minor impact on the peak attack angle. The effect of temperature on erosion damage depended on the relative humidity (RH) of the environment.
Keywords: Erosion, Temperature, Al alloy.
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Summary: Sulphuric acid pressure leaching is the process of choice to recover nickel and cobalt from laterites with variable iron and magnesium contents. The latter influences the acidity levels required for effective leaching of nickel and cobalt, and during leaching, iron is rejected in-situ as hematite. Classical solid/liquid separation is performed via a CCD circuit, the performance of which depends upon the size and shape of precipitated particles. In this paper, precipitates obtained by...
Publication: CIM Bulletin
Author(s): D.H. Rubisov, V.G. Papangelakis
Keywords: Cobalt, Hydrometallurgy, Leaching of laterites, Laterites, Nickel, Sulphuric acid pressure leaching.
Issue: 1041
Volume: 93
Year: 2000
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