Control of Al2O3 inclusions in austenite stainless steel |
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| Affiliation: | 1. Baosteel Stainless Steel Co., Ltd., Shanghai 200431, China;2. School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China |
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| Abstract: | In the present study,samples were extensively collected throughout the stainless steel manufacturing process. The three-dimensional morphology of inclusions was revealed by non-aqueous solution electrolysis. The high concentration of aluminum in ferrosilicon caused the increment of [Al]sin steel and Al2O3 in inclusions,which led to the higher melting temperature of inclusions. It was concluded that the application of lowAl ferrosilicon and calcium treatment could prevent the formation of Al2O3-rich inclusions. |
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| Keywords: | austenite stainless steel inclusions low Al ferrosilicon calcium treatment |
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