View in EDS

Features of the Al90Y10 alloy structure during solidification under high pressure.

Saved in:
Bibliographic Details
Title: Features of the Al90Y10 alloy structure during solidification under high pressure.
Authors: Menshikova, S.G.1 (AUTHOR) svetlmensh@mail.ru, Brazhkin, V.V.1 (AUTHOR), Lad'yanov, V.I.1 (AUTHOR), Pushkarev, B.E.1 (AUTHOR)
Source: Journal of Crystal Growth. Oct2019, Vol. 524, pN.PAG-N.PAG. 1p.
Subjects: Atmospheric pressure, Solidification, Alloys, Hypereutectic alloys, Pressure, Solid solutions
Abstract: • We study of the Al-10 at.% Y alloy structure during rapid cooling at pressure of 9 GPa. • Using high pressure, we have provided a dense homogeneous alloy structure. • We obtained abnormally Al(Y)-supersaturated solid solution and metastable eutectic. Using the methods of durametry, X-ray structural analysis, optical and electronic microscopy, we have compared the structures of the Al90Y10 hypereutectic alloy (hereinafter at.% is given) obtained at the atmospheric pressure and that produced with quick cooling under pressure of 9 GPa. It has been demonstrated that, in both cases, the crystalline phases of α-Al and Al3Y get formed. 11 Low-temperature Al3Y phase – at the atmospheric pressure; high-temperature metastable Al3Y* phase – hardening under high pressure. Using high pressure, we have provided a dense homogeneous alloy structure with abnormally α-Al-supersaturated solid solution and finely divided aluminides in metastable eutectics with high hardness. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Crystal Growth is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
Description
Abstract:• We study of the Al-10 at.% Y alloy structure during rapid cooling at pressure of 9 GPa. • Using high pressure, we have provided a dense homogeneous alloy structure. • We obtained abnormally Al(Y)-supersaturated solid solution and metastable eutectic. Using the methods of durametry, X-ray structural analysis, optical and electronic microscopy, we have compared the structures of the Al90Y10 hypereutectic alloy (hereinafter at.% is given) obtained at the atmospheric pressure and that produced with quick cooling under pressure of 9 GPa. It has been demonstrated that, in both cases, the crystalline phases of α-Al and Al3Y get formed. 11 Low-temperature Al3Y phase – at the atmospheric pressure; high-temperature metastable Al3Y* phase – hardening under high pressure. Using high pressure, we have provided a dense homogeneous alloy structure with abnormally α-Al-supersaturated solid solution and finely divided aluminides in metastable eutectics with high hardness. [ABSTRACT FROM AUTHOR]
ISSN:00220248
DOI:10.1016/j.jcrysgro.2019.125164