Politeknik Dergisi 2147-9429 Gazi University 10.2339/politeknik.423707 Engineering Mühendislik Investigation on the Suitability of Powder Particulars Used in Powder Bed/Feed Additive Manufacturing and Powder Manufacturing Methods Toz Yataklı/Beslemeli Eklemeli İmalatta Kullanılan Partiküllerin Uygunluk Araştırması ve Partikül İmalat Yöntemleri https://orcid.org/0000-0001-7782-3580 Karakılınç Uçan Süleyman Demirel Ünv. YETEM Uyg. ve Arş. Merkezi, Tasarım ve İmalat Birimi https://orcid.org/0000-0002-3784-7251 Yalçın Bekir Süleyman Demirel Ünv. Teknoloji Fak. Makine ve İmalat Mühendisliği Bölümü https://orcid.org/0000-0001-6145-1970 Ergene Berkay Süleyman Demirel Ünv. Teknoloji Fak. Makine ve İmalat Mühendisliği Bölümü 12 01 2019 22 4 801 810 05 15 2018 09 28 2018 Copyright © 1998, Journal of Polytechnic 1998 Journal of Polytechnic

Powdermetallurgy (P/M) is known as an industrial part manufacturing by powderpressing and sintering using ceramic and metal based particulars, but, P/Mmethod has incorperated the additive manufacturing as a new method which iscombined in technologies of laser, machine, design and software. Themanufacturing of prototype and/or useful industrial parts has become possibleas layer upon layer with today’s additive manufacturing technology by usingsuitable laser, electron and ultraviolet beam in form of powder, wire, sheetand melt from polymer, ceramic and metal based materials. The literature surveyhas been done about the powder bed/feed additive manufacturing methods, thepowder characterizations used in these methods and powder manufacturing methodsin this study. In addition, the effect of dimension, shape, physicalproperties, and chemical purity of powders on the product propertiesmanufactured by powder bed/feed additive manufacturing can be expressed withrespect of investigations in the literature.

Toz metalürjisi(TM); seramik ve metal esaslı partiküllerin preslenmesi ve sinterlenmesi ileendüstriyel parça imalatı olarak bilinmekte ancak; lazer, makine, tasarım veyazılım teknolojilerinin bir araya getirildiği eklemeli imalat yöntemi olarakadlandırılan yeni bir teknoloji ile tanışmıştır. Günümüz eklemeli imalatteknolojisi ile, polimer, seramik ve metal esaslı malzemelerin partikül (toz),tel, plaka/saç ve eriyik formları uygun şartlarda lazer, elektron veultraviyole ışınları kullanılarak katmanlı bir şekilde kullanışlı prototipve/veya parça imalatı mümkün hale gelmiştir. Bu çalışmada, özellikle tozbeslemeli eklemeli imalat yöntemleri, bu yöntemlerde kullanılan partiküllerinkarakterleri ve toz imalat yöntemleri ile ilgili literatür araştırmasıyapılmıştır. Ayrıca yapılan bu literatür araştırmasında, partikül taneboyutunun, şeklinin, fiziksel özelliklerinin ve kimyasal saflığının, tozbeslemeli eklemeli imalat ile elde edilen ürünlerin özelliklerine etkisi ifadeedilmeye çalışılmıştır.

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