The findings of an investigation into hydrogen saturation during corrosion of aluminium alloys with eight different alloying processes are given. In a somewhat warm climate, the tests were carried out for four years with supplementary watering with chloride solutions. It has been demonstrated that high hydrogen saturation of alloys occurs during corrosion. The kind of corrosion determines the amount of hydrogen in the alloy; with intercrystalline corrosion, hydrogen penetration is more intense than with pitting and delaminating corrosion. A mechanism for alloy hydrogen saturation is proposed. Quantum chemical calculations are used to determine the change in energy of an aluminium crystal during the blocking of atomic hydrogen and the production of a hydrogen molecule. The plasticity of the tested aluminium alloy alloys is illustrated in response to the intensity of hydrogen saturation.
Author(S) Details
Laptev Anatoly
All-Russian Scientific Research Institute of Aviation Materials, Russia.
Abramova Maria
All-Russian Scientific Research Institute of Aviation Materials, Russia.
Lonskaya Nataly
All-Russian Scientific Research Institute of Aviation Materials, Russia.
Davydov Dmitry
All-Russian Scientific Research Institute of Aviation Materials, Russia.
Averina Alena
Moscow State University named after M.V. Lomonosov, Russia.
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