Al-Si-Mg Foam Produced by 3D Printer

Öz

Al_89.5Si₁₀Mg_0.5 metallic foam was produced by 3D metal printer. The design pattern has a triangular-like structure and it consists of aligned wires. The structure was designed so that the distance between wires is 1 mm and the wire diameter is 1.2 mm. X-ray results showed that sample has a cubic structure with nm grains. Also, detailed element mapping indicated that sample has a homogenous distribution state of the reinforcement throughout the Al matrix, which also a clear indication of single phase. Compressive stress–strain curves shows the typical compressive behaviour of metallic foams consists of a narrow linear elastic area followed by a plateau regime and then a sharp increase.

Anahtar Kelimeler

• Metallic foam,3D printer,Compressive stress

3D Yazıcı Tarafından Üretilen Al-Si-Mg Köpük

Öz

Al_89.5Si₁₀Mg_0.5 metalik köpük 3D metal yazıcı ile üretildi. Tasarım deseni üçgen benzeri bir yapıya sahiptir ve hizalanmış tellerden oluşur. Yapı, teller arasındaki mesafe1 mm ve tel çapı 1.2 mm olacak şekilde tasarlanmıştır. X-ışını sonuçları numunenin nm tanecikli kübik bir yapıya sahip olduğunu gösterdi. Ayrıca, detaylı element haritalaması ile numunenin Al matrisi boyunca homojen bir dağılım durumuna sahip olduğunu ve aynı zamanda tek faza sahip olduğu belirtildi. Basınca bağlı gerilme-şekil değiştirme eğrileri, dar bir doğrusal elastik alan boyunca keskin bir artış meydana getirdiği, dolayısıyla bu da metalik köpüklerin tipik basınç davranışı özelliğini göstermektedir.

Anahtar Kelimeler

• 3D yazıcı tarafından üretilen Al-Si-Mg köpük

Kaynakça

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