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The source of nitrogen in cast iron

Nitrogen contained in cast iron mainly comes from atmosphere, various furnace charges and molds. Generally, nitrogen is not contained in lining materials and ladle lining materials. 1. Atmosphere In the melting process of cast iron, the atmosphere in contact with molten iron is the source of nitrogen. However, the...

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Nitrogen element in cast iron

There are two forms of nitrogen in cast iron: one is dissolved nitrogen; The other is to form nitride with other elements. Nitrogen has a complex effect on the properties and quality of cast iron. It can be dissolved in liquid or solid cast iron, or precipitated as elemental...

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Alloying and modification of chromium white cast iron

The wide industrial application of chromium white cast iron attracts researchers to try different carbide forming elements to improve the alloy structure, such as W, V, Nb, Ti and B. By adding a carbide forming element different from cementite, the carbon content of the matrix is reduced, and the...

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