Aluminium + Miedź – stop używany w przemyśle lotniczym | Skład, właściwości, wytop

Aluminum-copper alloys (Al-Cu) are among the most important structural materials in the aerospace and mechanical industries. In this video, I demonstrate how an aluminum-copper alloy works – its composition, properties, and melting in practice. Why can the addition of a few percent copper increase the strength of aluminum by up to several times? How does precipitation strengthening and the Al₂Cu phase work? And how does such an alloy behave during melting and casting? This material combines theoretical metallurgy with foundry practice – you'll see both an explanation of the microstructure and a real-life melting of an Al-Cu alloy. 🔬 In the video, I explain: • properties of pure aluminum • how the aluminum-copper phase system works • how copper increases aluminum's strength • properties of AlCu alloys (strength, hardness, conductivity) • where aluminum-copper alloys are used 🔥 In the practical section, you'll see: • melting an aluminum-copper alloy • preparing the liquid alloy • pouring a casting mold • finished AlCu casting Al-Cu alloys have played a huge role in the development of aviation and modern materials engineering. They have made it possible to build lightweight yet highly durable structures. If you are interested in foundry engineering, metallurgy, aluminum alloys, engineering materials, or metal smelting processes, this video is for you. ⚠️ This material is educational in nature. Melting metals requires experience and appropriate safety measures. 👍 Give us a thumbs up if you want more content about metal alloys. 💬 Leave a comment – ​​which alloy should I discuss in the next episode? 🔔 Subscribe if you're interested in metallurgy and foundry. 🔬Sources: [1] Y. Zhang, R. Li, P. Chen, X. Li, Z. Liu (2019): Microstructural evolution of Al2Cu phase and mechanical properties of the large-scale Al alloy components under different consecutive manufacturing processes. Journal of Alloys and Compounds, Vol. 808, 151634 [2] https://commons.wikimedia.org/wiki/Fi... [3] Mulyukov, Radik & Korznikova, Galia & Nazarov, K. & Khisamov, Rinat & Sergeev, Semen & Shayachmetov, R. & Khalikova, Gulnara & Korznikova, E.. (2021). Annealing-induced phase transformations and hardness evolution in Al–Cu–Al composites obtained by high-pressure torsion. Acta Mechanica. 232. 10.1007/s00707-020-02858-6. [4] Collective work: Foundry's Guide. Volume I Materials. Ed. STOP. Krakow 2013 [5] Polmear, I.J.: Light Alloys in Aerospace Applications. Metals 2017, 7, 50. [6] Zhang, X.; Li, Y.; Wang, K.: Precipitation Strengthening Mechanism in Al–Cu Alloys: A Review. Materials 2020, 13, 421. 🏷 Hashtags (SEO) #aluminum #aluminiumalloy #alcopper #alloyaluminium #foundry #metallurgy #foundry #casting #engineeringmaterials #aviation