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Studies on the influence of AlTi5B1 modifier on the structure and properties of AlCuMg alloys

Date added: 2021-03-30

Pages: 37-48


Wojciech Ściężor, Radosław Kowal, Krystian Franczak, Justyna Grzebinoga, Paweł Kwaśniewski, Grzegorz Kiesiewicz


New materials used in various industries require sufficiently high mechanical properties, fine-grained structure and ease of metal forming while minimizing production costs. For this reason, work is being carried out to develop new groups of alloys that make it possible to increase the strength of the obtained components while reducing their weight, and thus reducing production costs. This article focuses on two aluminium-based alloys with different content of alloying additives: copper and magnesium i.e., AlCu3Mg3 and AlCu4.5Mg6, which were produced by metallurgical synthesis. The as-cast alloys were characterized for their basic physical, mechanical and electrical properties and were subjected to structural analysis. In the next stage, the alloys were modified with 100, 500, 1000 and 2000 ppm of titanium and then their hardness, electrical conductivity and density were tested. Samples were also subjected to microstructural analysis. The obtained results allowed to examine the evolution of the AlCuMg alloy properties depending on the content of alloy additives and the amount of used modifier.



aluminium; AlCuMg; modifier; AlTiB; casting