Volume 40, No 2, 2018, Pages 239-246

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Erosion-corrosion Behaviour of Dual Phase Medium Carbon Steel using a Designed Slurry Pot


S. Aribo*, I. Adedapo , C. Nwogwugwu, O. Olaniran, A. Olaseinde, O. Ige, P.A. Olubambi

DOI: 10.24874/ti.2018.40.02.07


A slurry pot has been designed, fabricated and evaluated for erosion-corrosion investigations. A variable voltage controller was used to vary the input voltage into the one-horse-power motor that controls the slurry pot. The actual speed of the slurry pot shaft was also calibrated using a non-contact digital tachometer. Voltages of 100 and 200 V resulted in rotational speeds of 1100 and 2100 rpm, respectively employed for the subsequent erosion-corrosion tests. Erosion-corrosion of a dual-phase carbon steel was investigated with the aid of the slurry pot in aerated 3.5 wt.% NaCl environments. The sample was normalised at 850 oC and then cooled in air to room temperature. Prior to the test, the normalised samples were heated to 700, 725, 750, 775, 800 and 825 oC, respectively and quenched in oil. Erosion-corrosion rates of between 0.027 to 1.26 g/cm2.hr at 1100 rpm and 0.57 to 1.9 g/cm2.hr at 2100 rpm were recorded. It was also observed that as hardness increased there was reduction in weight loss of the heat treated alloy.


Slurry pot, Dual phase steel, Erosion-corrosion, Medium carbon steel, Inter-critical temperature, Hardness

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