Open Access
Model of nanostructure formation in Al–Si alloy at electron beam treatment
Publication type: Journal Article
Publication date: 2018-11-16
scimago Q2
wos Q3
SJR: 0.434
CiteScore: 3.7
Impact factor: 2.2
ISSN: 20531591
Metals and Alloys
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Polymers and Plastics
Biomaterials
Abstract
The paper reports on analysis of mechanisms and development of a mathematical model describing the effect of low-energy high-current electron beams on eutectic Al–Si alloy. The paper highlights the relationship between the effect of electron beams and formation of a gradient multilayer structure in the item to be treated. The surface layer has a structure of columnar crystallization; its cross sizes vary 200 to 600 nm. The principal mechanism forming the columnar structure is suggested to be a thermocapillary instability arising due to the gradient of temperature in the melted layer. It leads to vortices, pointing this way at formation of a structure with cellular crystallization. The linear analysis of this instability versus weak harmonic disturbances revealed that the wavelength with the maximal disturbance decrement is almost similar to the cross sizes of crystallization columns.
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15
Total citations:
15
Citations from 2024:
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GOST
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Sarychev V. et al. Model of nanostructure formation in Al–Si alloy at electron beam treatment // Materials Research Express. 2018. Vol. 6. No. 2. p. 26540.
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Sarychev V., Nevskii S. A., Konovalov S. V., Granovskii A., Ivanov Y. P. Model of nanostructure formation in Al–Si alloy at electron beam treatment // Materials Research Express. 2018. Vol. 6. No. 2. p. 26540.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1088/2053-1591/aaec1f
UR - https://iopscience.iop.org/article/10.1088/2053-1591/aaec1f
TI - Model of nanostructure formation in Al–Si alloy at electron beam treatment
T2 - Materials Research Express
AU - Sarychev, Vladimir
AU - Nevskii, Sergey A.
AU - Konovalov, Sergey V.
AU - Granovskii, Alexey
AU - Ivanov, Yurii P.
PY - 2018
DA - 2018/11/16
PB - IOP Publishing
SP - 26540
IS - 2
VL - 6
SN - 2053-1591
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2018_Sarychev,
author = {Vladimir Sarychev and Sergey A. Nevskii and Sergey V. Konovalov and Alexey Granovskii and Yurii P. Ivanov},
title = {Model of nanostructure formation in Al–Si alloy at electron beam treatment},
journal = {Materials Research Express},
year = {2018},
volume = {6},
publisher = {IOP Publishing},
month = {nov},
url = {https://iopscience.iop.org/article/10.1088/2053-1591/aaec1f},
number = {2},
pages = {26540},
doi = {10.1088/2053-1591/aaec1f}
}
Cite this
MLA
Copy
Sarychev, Vladimir, et al. “Model of nanostructure formation in Al–Si alloy at electron beam treatment.” Materials Research Express, vol. 6, no. 2, Nov. 2018, p. 26540. https://iopscience.iop.org/article/10.1088/2053-1591/aaec1f.