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Hydrogen Corrosive True or False

On the corrosiveness of hydrogen
People who doubt whether hydrogen is corrosive often ask "Hydrogen Corrosive True or False".

Hydrogen is a colorless and odorless gas. It seems peaceful and harmless under normal circumstances. In fact, it is not. The characteristics of hydrogen can be corrosive under special circumstances.

When hydrogen is in a high-pressure and high-temperature state, its molecular active level increases greatly. At this time, hydrogen molecules can be dissociated into hydrogen atoms, which are extremely active. These hydrogen atoms can invade the interior of the metal lattice and interact with metal atoms. Such as steel, in such environments, hydrogen atoms can react with iron atoms to form iron hydride, causing lattice distortion and mechanical properties deterioration of steel, which is one of the manifestations of hydrogen corrosion.

Furthermore, in an electrochemical system, if hydrogen participates in the electrode reaction, the process may also cause material corrosion. Hydrogen adsorption, desorption and participation in chemical reactions on the electrode surface, or changing the chemical state and structure of the material surface, resulting in increased material corrosion.

In summary, it is not a lie to say that hydrogen is corrosive. Hydrogen Corrosive, the answer is True. It is necessary to understand that the corrosiveness of hydrogen is not obvious in all situations, but under specific conditions, its corrosion hazard cannot be ignored. Material selection and equipment design in many fields such as chemical industry and energy must be carefully considered.