Changing of mechanical characteristics of Co-based amorphous alloy and Fe-based nano-crystalline alloy in the hydrogenous medium under the influence of impulse electric current

Experimentally established the preliminary influence of hydrogen-containing medium (NACE) in cobalt-based amorphous alloys reduces the temperature of the onset of ductility during annealing. The structure of the surface changes forming in the holding of samples in the NACE medium either separate NaC...

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Bibliographic Details
Published in:Journal of physics. Conference series 2019-11, Vol.1400 (5), p.55031
Main Authors: Pluzhnikova, T N, Fedorov, V A, Yakovlev, A V, Pluzhnikov, S N, Fedotov, D Y
Format: Article
Language:English
Subjects:
Alloys
Amorphous alloys
Crystal structure
Crystallinity
Crystals
Electric currents
Heat exchange
Mechanical properties
Metallic glasses
Nanoalloys
Nanocrystals
Physics
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Summary:Experimentally established the preliminary influence of hydrogen-containing medium (NACE) in cobalt-based amorphous alloys reduces the temperature of the onset of ductility during annealing. The structure of the surface changes forming in the holding of samples in the NACE medium either separate NaCl crystals or branched crystalline structures on the surface. A layer of oxide appears on the nanocrystalline alloy is preventing in heat exchange between the sample and environment. The passing of the impulse electric current j = 108 - 109 A/m2 results increases mechanical stress releases comparing to non-affected samples by the hydrogen-containing medium because of the temperature increase. The amorphous structure proves to be more resistant under simultaneous influence with the impulse electric current to the effect of the hydrogen medium NACE compare to the nanocrystalline one.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1400/5/055031