Powder Metallurgy Processing of Aluminum Alloys

Yıl 2017, Cilt: 58 Sayı: 686, 21 - 47, 26.04.2017

Azim Gökçe , Fehim Fındık , Ali Osman Kurt

Öz

Powder metallurgy (PM) is a production method that offers manufacturers great advantages over
other manufacturing processes. Little changes in the production steps of powder metallurgy method
such as powder manufacture, powder processing, pressing, sintering affect the properties of the final
product significantly. Aluminum alloys are second most used alloy in the engineering applications.
Nowadays some parts in the automotive sector are produced with aluminum PM alloys. In the future,
it is expected that more Al-PM parts will be produced with the development of new high strength
Al based PM alloys. In this study, information about the production of the Al-PM parts is given and
some examples about the sintering of Al-Cu, Al-Si and Al-Mg PM alloys from the relevant literature
are presented. Properties of the various sintered PM Aluminum alloys are highlighted. 

Anahtar Kelimeler

Powder metallurgy, aluminium alloys, sintering

Proje Numarası

2009-50-02-20

Alüminyum ve Alaşımlarının Toz Metalurjisi İşlemleri

Öz

Toz metalurjisi (TM), üreticilere diğer imal usullerine göre büyük avantajlar sunan bir üretim yöntemidir. Bu yöntemin aşamaları olan toz üretimi, toz işleme, presleme, sinterleme ve sinterleme sonrası işlemlerdeki küçük farklılıklar nihai ürün özelliklerini büyük oranda etkilemektedir. Alüminyum
alaşımları günümüzde en çok kullanılan ikinci mühendislik alaşımıdır. Günümüzde otomotiv sektöründe bazı alüminyum parçalar TM uygulamaları ile üretilmektedir. Yüksek dayanımlı alüminyum
TM alaşımlarının geliştirilmesi ile ileride daha fazla sayıda parçanın bu yöntemle üretilmesi beklenmektedir. Bu çalışmada, alüminyum alaşımlarından TM ile parça üretimi hakkında bilgi verilmiş,
özellikle mühendislik uygulamalarında sıklıkla kullanılan Al-Cu, Al-Si ve Al-Mg alaşımlarıyla ilgili
literatürdeki bir takım sonuçlardan örnekler sunulmuştur. Farklı alaşımların sinterlenmesi sonucu
elde edilen özellikler hakkında bilgi verilmiştir.  

Anahtar Kelimeler

Toz metalurjisi, alüminyum alaşımları, sinterleme

Destekleyen Kurum

Sakarya Üniversitesi

Proje Numarası

2009-50-02-20

Teşekkür

Bu çalışma, büyük oranda “Toz Metalurjisi Yöntemiyle Üretilen Al-Cu Alaşımlarının Mekanik Özelliklerinin Geliştirilmesi” başlıklı doktora tezinden derlenmiştir. Çalışmanın esas alındığı doktora tezi Sakarya Üniversitesi Bilimsel Araştırma Projeleri Komisyonu tarafından 2009-50-02-20 kodlu proje kapsamında desteklenmiştir. Yazarlar bu desteğinden dolayı SAÜ-BAPK’a teşekkür eder. Ayrıca yazarlardan biri (AG) çalışmaya katkılarından dolayı İpek Gökçe’ye teşekkür eder.

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