 | | Mechanics of Solids
A Journal of Russian Academy of Sciences | | Founded
in January 1966
Issued 6 times a year
Print ISSN 0025-6544
Online ISSN 1934-7936 |
Archive of Issues
| Total articles in the database: | | 12882 |
| In Russian (Èçâ. ÐÀÍ. ÌÒÒ): | | 8071
|
| In English (Mech. Solids): | | 4811 |
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| << Previous article | Volume 58, Issue 6 / 2023 | Next article >> |
| A.I. Epishin and D.S. Lisovenko, "Model for the Pore Formation During Incipient Melting of Single-Crystal Nickel-Based Superalloys," Mech. Solids. 58 (6), 2132-2143 (2023) |
| Year |
2023 |
Volume |
58 |
Number |
6 |
Pages |
2132-2143 |
| DOI |
10.3103/S002565442360174X |
| Title |
Model for the Pore Formation During Incipient Melting of Single-Crystal Nickel-Based Superalloys |
| Author(s) |
A.I. Epishin (Merzhanov Institute of Structural Macrokinetics and Materials Science of the Russian Academy of Sciences, Chernogolovka, 142432 Russia, a.epishin2021@gmail.com)
D.S. Lisovenko (Ishlinsky Institute for Problems in Mechanics of the Russian Academy of Sciences, Moscow, 119526 Russia, lisovenk@ipmnet.ru) |
| Abstract |
A model for the porosity formation which occurs in single-crystal nickel-based superalloys when the non-equilibrium eutectic melts during high-temperature heat treatment is proposed. It is assumed that the porosity formation results from plastic deformation of the γ-solid solution of nickel caused by dilatation of the melting eutectic. This mechanism of porosity formation is described analytically using the elasto-plastic properties of superalloy experimentally measured at near solidus temperatures. The proposed model was used to predict the pore formation in the 3rd generation single-crystal nickel-based superalloy CMSX-10. Comparison of the obtained theoretical and experimental results showed a good agreement. |
| Keywords |
nickel-based superalloys, single-crystals, heat treatment, plastic deformation, porosity |
| Received |
20 August 2023 | Revised |
28 August 2023 | Accepted |
30 August 2023 |
| Link to Fulltext |
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