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In this study the effect of water pressure on oxidation behavior of Alloy A-286 is assessed at 625 °C for 1000 h. The pressure values selected are 0.1, 8 and 29 MPa, representing steam, subcritical and supercritical conditions. Transmission electron microscopy (TEM) is used to study the oxide formation on the surface. A-286 sample exposed to supercritical water forms an oxide layer, about 1 μm, containing...
This study is focused on the effect of vanadium addition to an API X100 steel. Laboratory heats were melted and control rolled based on a coil plate production process. Compared to non vanadium steel, it was found that 0.06% vanadium added steel had 8 to 14% higher yield and tensile strengths in all directions, while the toughness and ductility were similar for both steels. It is believed that the...
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