Dissolution of hydrogen in metals and casting alloys-Reference-Cited by-同舟云学术

Dissolution of hydrogen in metals and casting alloys

Published:2022-10-14 Issue:3 Volume: Page:53-57
ISSN:2414-0406
Container-title:Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY)
language:
Short-container-title:Litʹë metall.

Author:

Marukovich E. I.¹,Stetsenko V. Yu.¹,Stetsenko A. V.²

Affiliation:

1. Institute of Technology of Metals of National Academy of Sciences of Belarus

2. Belarusian‑Russian University

Abstract

Thermodynamic calculations have shown that hydrogen from atmospheric water vapors can penetrate aluminum, iron and copper, especially into their melts. Hydrogen atoms in these metals are in free and adsorbed states. Strong and dense oxide films on the surfaces of aluminum, iron and copper significantly reduce the solubility of hydrogen in these metals. Copper and iron nanocrystals more actively adsorb atomic hydrogen than aluminum nanocrystals. This is one of the main reasons for the weak solubility of hydrogen in aluminum and the large desorption of hydrogen atoms in the crystallization of aluminum compared to iron and copper.

Publisher

Belarusian National Technical University

Subject

Pulmonary and Respiratory Medicine,Pediatrics, Perinatology, and Child Health

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