Applications and Topology Optimization of Aluminum and Aluminum Alloys in Additive Manufacturing

Öz

Additive manufacturing technologies; It includes methods based on the principle of manufacturing the part layer by layer until the final geometry is obtained according to the three-dimensional (3D) digital model data of the objects using plastic, ceramic and metal materials. Today by using this method can be manufactured in the art, building sector, medical, energy, automotive aviation and space industries, without the need for additional (assembly, welding, etc.) processes of very complex geometry products. Its use has increased gradually thanks to its advantages such as weight reduction (topology optimization) by creating porous and cavitied structures. Aluminum and aluminum alloys are highly preferred among the powder materials used in the additive manufacturing sector. In this study, parts manufactured by using additive manufacturing technologies and topology optimization methods of aluminum alloys used in the automotive, aerospace and aerospace industries are examined.

Anahtar Kelimeler

• Additive manufacturing
• Luminum alloys
• Topology optimization
• Selective laser melting
• Direct metal laser sintering

Eklemeli İmalatta Alüminyum ve Alüminyum Alaşımlarının Uygulamaları ve Topoloji Optimizasyonu

Öz

Eklemeli imalat teknolojileri; plastik, seramik ve metal malzemeler kullanılarak nesnelerin üç boyutlu (3B) dijital model verilerine göre nihai geometri elde edilene kadar parçanın katman katman imal edilmesi prensibine dayalı bir yöntemleri içerir. Bu yöntemlerin günümüzde sanat, yapı sektörü, medikal, enerji, otomotiv, havacılık ve uzay endüstrilerinde çok karmaşık geometrili mamulleri tek parça halinde ek işlemlere (kaynak, montaj gibi vb.) ihtiyaç duymadan imal edebilme, gözenekli ve boşluklu (topoloji optimizasyonu) yapılar oluşturarak ağırlık azaltma gibi avantajları sayesinde kullanımı gittikçe artmıştır. Eklemeli imalat sektöründe kullanılan toz malzemeler arasında alüminyum ve alüminyum alaşımları oldukça çok tercih edilmektedir. Bu çalışmada otomotiv, havacılık ve uzay endüstrilerinde kullanılan alüminyum alaşımlarının eklemeli imalat teknolojileri ve topoloji optimizasyonu yöntemlerinden yararlanarak imal edilmiş parçalar incelenmiştir.

Anahtar Kelimeler

• Eklemeli imalat
• Alüminyum alaşımları
• Topoloji optimizasyonu
• Seçici lazer ergitme
• Doğrudan metal sinterleme

Kaynakça

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