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Metal Science and Heat Treatment
Erschienen in: Metal Science and Heat Treatment 5-6/2022

05.10.2022 | ALUMINUM AND ITS ALLOYS

Effect of Hydrogen on the Structure and Properties of Eutectic Silumin with 15% Silicon

verfasst von: V. K. Afanas’ev, M. V. Popova, A. N. Prudnikov

Erschienen in: Metal Science and Heat Treatment | Ausgabe 5-6/2022

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Abstract

The effect of melt hydrogen treatment on structure, morphology, and on physical and mechanical properties of hypereutectic alloy Al – 15% Si in cast and deformed conditions is studied. A melt is treated with hydrogen by different methods, i.e., with wet asbestos, in a steam atmosphere, and flushing with hydrogen prepared by alkali decomposition with aluminum. Ingots are deformed plastically by open forging and rolling. Alloy microstructure is studied by metallographic, electron microscopic, x-ray diffraction, and dilatometric analyses. Alloy density and microhardness are measured. Alloy atomic hydrogen content is studied by vacuum heating. It is shown that hydrogen treatment improves cast alloy structural parameters and deformability, raises post-deformation strength by a factor of 1.3 – 1.4, and lowers linear expansion coefficient.
Vorheriger Artikel Increase in Low-Carbon Steel 12GBA Strength and Cold Resistance by a Deformation-Thermal Effect
Nächster Artikel Structure of Alloy Ak10m2n After Tensile Plastic Deformation

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Metadaten
Titel
Effect of Hydrogen on the Structure and Properties of Eutectic Silumin with 15% Silicon
verfasst von
V. K. Afanas’ev
M. V. Popova
A. N. Prudnikov
Publikationsdatum
05.10.2022
Verlag
Springer US
Erschienen in
Metal Science and Heat Treatment / Ausgabe 5-6/2022
Print ISSN: 0026-0673
Elektronische ISSN: 1573-8973
DOI
https://doi.org/10.1007/s11041-022-00805-x

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