Optimization of the Chemical Composition of Permanent Molds Made from Pig Iron.

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作者：
Stepan, Pavel
Harok, Milan
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| 1978年 / 33卷 / 11期
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摘要：
Laboratory and field tests have been undertaken to determine chemical composition of 10 t permanent molds made from pig iron and modified by partial oxidation in a tandem furnace. It is shown that such premalleableization makes it possible to vary carbon, manganese, and silicon content of pig iron and its microstructure. The results confirm a beneficial effect of manganese (optimum content 0. 8 to 1. 0%) on mechanical strength and formation of pearlitic structure, resulting in a prolonged service life of the molds.
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页码：766 / 771
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