Some Aspects of Studying the Corrosion Processes in 25Kh1MF Steel Fasteners after Aluminizing


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Abstract—The resistance to atmospheric corrosion of 25Kh1MF steel after aluminizing and thermal improvement has been studied. It is established that the low resistance of the aluminized layer to atmospheric corrosion is caused by surface defects, such as cracks and the pores, or by the partial removal of the layer containing the Fe3Al intermetallic. In the aluminized layer containing ferrite doped with aluminum, aluminum nitrides that prevent the cold diffusion welding of mating thread surfaces of fasteners are found.

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I. Khovratovich

AO VMZ Krasny Oktyabr

Email: mail@crism.ru
俄罗斯联邦, Volgograd, 400007

A. Ptashnik

National Research Center Kurchatov Institute—Central Research Institute of Structural Materials Prometey

Email: mail@crism.ru
俄罗斯联邦, St. Petersburg, 191015

M. Olenin

National Research Center Kurchatov Institute—Central Research Institute of Structural Materials Prometey

编辑信件的主要联系方式.
Email: mail@crism.ru
俄罗斯联邦, St. Petersburg, 191015

V. Gorynin

National Research Center Kurchatov Institute—Central Research Institute of Structural Materials Prometey

Email: mail@crism.ru
俄罗斯联邦, St. Petersburg, 191015

B. Berezhko

National Research Center Kurchatov Institute—Central Research Institute of Structural Materials Prometey

Email: mail@crism.ru
俄罗斯联邦, St. Petersburg, 191015

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