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Formation of Cu-Al layered materials by detonation spraying and modification of the interface by annealing/spark plasma sintering
Open accessAbstract
Cu-Al layered structures are frequently encountered in electrical and electronic devices and facilities as both metals possess a high electrical conductivity. In the present work, a new approach was used to fabricate Cu-Al bi-layers. The layers were formed by successively depositing copper and aluminum on a steel substrate by detonation spraying. The layered structures were annealed in a vacuum furnace or treated by electric current in a spark plasma sintering (SPS) facility. Both furnace annealing and SPS induced the formation of Cu-Al intermetallics, the thickness of the product layers being greater after the SPS treatment. The effect of applied pressure alone could not fully account for the difference between the outcomes of furnace annealing and SPS. The main products formed during both annealing and SPS were CuAl2 and Cu9Al4. The application of pressure during SPS allowed eliminating the interfacial porosity. Conventional annealing was not instrumental for this purpose.
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References 18
Research works printed but not linked: 18
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Metadata
- Authors
- Dudina, D., Ulianitsky, V., & Tokarev, V.
- Affiliations
- Lavrentyev Institute of Hydrodynamics (RU)
- Novosibirsk State Technical University (RU)
- Venue
- Science of Sintering
- Publisher
- National Library of Serbia
- Published
- 2024
- Volume
- 56
- Issue
- 3
- Pages
- 327-334
- ISSN
- 0350-820X (ISSN-L)
- 1820-7413
- OpenAlex
- W4389254055
- Cited by
- 0
- References
- 18
- FWCI
- 0.00
- Type
- journal article
- Language
- en
- Open access
- diamond
- dx.doi.org
- Locations
- Science of Sintering (publishedVersion, cc-by)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- Siberian Branch, Russian Academy of Sciences
- Ministry of Science and Higher Education of the Russian Federation (121121600298-7, 121032500062-4)
- Topics
- Physical Sciences › Engineering › Mechanical Engineering › Advanced Welding Techniques Analysis
- Physical Sciences › Engineering › Mechanical Engineering › Intermetallics and Advanced Alloy Properties
- Physical Sciences › Engineering › Mechanical Engineering › Powder Metallurgy Techniques and Materials
- Keywords
- detonation spraying, spark plasma sintering, furnace annealing, CuAl2, Cu9Al4, intermetallic compounds, interface modification, interfacial porosity, pressure effects, copper, aluminum, steel substrates
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