Gas-metal interactions
Gases other than hydrogen in iron and steel

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M4275 V1 Article

Gas-metal interactions


Gases other than hydrogen in iron and steel

Authors : Pierre PERROT, Jacques FOCT

Publication date: March 10, 2003 | Lire en français

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1. Gas-metal interactions

In this article, when writing chemical reactions, the state of a constituent will be indicated using the following symbols:

< > : solid state.

The allotropic variety can be indicated as an index.

For example, α represents α-iron, cubic-centered. Under these conditions, the standard state of iron is pure iron in its α structure.

( ): liquid state.

The standard state is then the pure liquid element.

[ ]: state dissolved in a solvent which, unless otherwise indicated, is the iron whose state is indicated in the subscript.

For example, [N] γ represents nitrogen dissolved in γ-iron,...

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