Structure and properties of АА7075-SiC composite parts produced by cold spray additive manufacturing
| العنوان: | Structure and properties of АА7075-SiC composite parts produced by cold spray additive manufacturing |
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| المؤلفون: | Maxim Khomutov, Anastasia Spasenko, Igor Smurov, A. Travyanov, Alexey Sova, P. Petrovskiy, Vladimir Cheverikin |
| المصدر: | The International Journal of Advanced Manufacturing Technology. 116:847-861 |
| بيانات النشر: | Springer Science and Business Media LLC, 2021. |
| سنة النشر: | 2021 |
| مصطلحات موضوعية: | 0209 industrial biotechnology, Materials science, Mechanical Engineering, Composite number, Gas dynamic cold spray, 02 engineering and technology, Microstructure, Industrial and Manufacturing Engineering, Computer Science Applications, chemistry.chemical_compound, 020901 industrial engineering & automation, Compressive strength, chemistry, Control and Systems Engineering, Hot isostatic pressing, visual_art, visual_art.visual_art_medium, Hardening (metallurgy), Silicon carbide, Ceramic, Composite material, Software |
| الوصف: | In this work, the cold spray additive manufacturing technology was applied for producing composite AA7075 deposits reinforced by silicon carbide particles. It was found that ceramic content in the composite did not exceed 21–25 %vol. Different heat treatments and capsule-free hot isostatic pressing (HIP) were performed to homogenise the structure of the AA7075-SiC composite. The microstructure of the composite before and after heat treatments was analysed using SEM and TEM analysis and compared with bulk AA7075. The analysis showed that the presence of SiC in the composite influenced the distribution of hardening phases in AA7075 during heat treatment. The presence of uniformly distributed SiC particles accelerated the decomposition of the supersaturated aluminium solid solution during ageing. The decomposition process blocked the formation of large hardening precipitates at the grain boundaries generally observed at the bulk metallic alloy AA7075. The compressive strength tests revealed the improvement of the strain at failure of the composite deposits after heat treatment and HIP. At the same time, the compressive strength slightly decreased. The thermal expansion coefficient (TEC) of AA7075-SiC20% composite was lower than for the base bulk AA7075. The dilatation behaviour of the composite during TEC tests could be approximated using the simple rule of mixture. |
| تدمد: | 1433-3015 0268-3768 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::095b85a6fe8206450fbdf5d4bcfbb8cb https://doi.org/10.1007/s00170-021-07457-w |
| حقوق: | CLOSED |
| رقم الأكسشن: | edsair.doi...........095b85a6fe8206450fbdf5d4bcfbb8cb |
| قاعدة البيانات: | OpenAIRE |
Find this article in full text from Springer Verlag. | تدمد: | 14333015 02683768 |
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