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Corrosion Mechanism of MgO-C Ladle Refractory in Contact
The corrosion resistance and corroded microstructure of MgO-C refractory in molten slag are investigated by immersion test in muffle furnace at 1600 °C. The microstructure and chemical compositions of the specimens after erosion experiment are characterized by scanning electron microscope (SEM) and energy dispersive X-ray (EDX).
Get PriceThe Role of Graphite in Refractories such as Al2O3/MgO/C
Refractories Al 2 O 3-MgO-C (AMC) refractories for steel ladle lining Important spec Residual expansion during the usage. responsible for the formation of a monolithic refractory lining resulting in a decreased steel penetration through the refractory joints. 16.10.13 page 14 RF Al 2 O 3 /C (A/C) = 12.9 Higher corrosion resistance for highest
Get PricePrediction of the Slag Corrosion of MgO-C Ladle Ref
Keywords MgO-C refractory corrosion prediction model artifi cial neural networks. Abstract. A multilayer feed-forward back-propagation learning algorithm was employed as an artificial neural network (ANN) tool to create a model to predic t the corrosion of MgO-C ladle refractory bricks based on laboratory slag corrosion test data.
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Get PriceCorrosion of MgO-C Ladle Refractories.
agnesia—earbon (MgO-C) refraetories are widely used in ladle refining furnaees because of their favorable properties— such as low wetting by corrosive steelmaking slags—ehemieal compatibility with basic slags and better thermal properties.
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bricks at the bottom (229 mm). Since the late 90s Usiminas steelworks has intensified efforts to. increase the life of steel ladle lining. The main focus has been on. MgO-C bricks for slag
Get PriceSlag corrosion of MgO–C refractories during secondary
Corrosion experiments were conducted using the rotating immersion method of the MgO–C refractory rods in a liquid slag in the temperature range of 1773–1923 K revolution speed of 200 rev min −1 with varying slag compositions and times (2700–8100 s).
Get PriceDirect and indirect slag corrosion of oxide and oxide-c
4 spinel layer in the corrosion of alumina refractories by MgO containing slags and of a C 2S layer on MgO-dolomite refractories attacked by silica containing slags. Selective corrosion may also occur in DkT r= /6πη 122 = ()rtcos / /θγη() LEE W.E. and ZHANG S. Direct and indirect slag corrosion of oxide and oxide-c refractories.
Get PriceSlag corrosion of MgO–C refractories during secondary
Molten slag corrosion is an important threat to the hearth lining so slag resistance is one of the most important properties of hearth refractories. Carbon phase has high thermal conductivity and
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Get PriceSlag corrosion of MgO–C refractories during secondary
Jul 18 2013 · (2014). Slag corrosion of MgO–C refractories during secondary steel refining. Ironmaking Steelmaking Vol. 41 No. 2 pp. .
Get PriceSlag conditioning effects on MgO–C refractory corrosion
Sep 01 2013 · According to the calculated slag penetration area and refractory corrosion rate a remarkable enhancement of the MgO–C bricks wear resistance was observed when such materials were placed in contact with the conditioned molten slag.
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