ÜRETİM ŞARTLARININ YERÇEKİMİNE TERS DÖKÜM YÖNTEMİYLE ÜRETİLEN PARÇALARIN YAPI VE MEKANİK ÖZELLİKLERİNE ETKİLERİ

Öz

Bu çalışmada, döküm sıcaklığı ve basıncının yaş kum kalıplar kullanılarak geleneksel yerçekimi (gravity casting) ve yerçekimine ters döküm (counter gravity casting) yöntemleri ile üretilen Al-% 10 Si alaşımının yapı ve mekanik özelliklerine etkileri araştırılmıştır. Alaşıma ait numuneler 600, 640 ve 690°C sıcaklıklarda 100, 200, 250, 300 ve 500 mmHg vakum seviyelerinde dökülmüştür. Elde edilen sonuçlar, yerçekimine ters döküm yöntemiyle üretilen parçaların geleneksel döküm yöntemiyle üretilen parçalarda daha üstün mekanik özelliklere
sahip olduklarını göstermiştir.

Anahtar Kelimeler

• Yerçekimine ters döküm, yaş kum kalıp, mekanik özellikler.

EFFECTS OF PROCESS PARAMETERS ON THE STRUCTURE AND MECHANICAL PROPERTIES OF THE PARTS PRODUCED BY COUNTER GRAVITY CASTING PROCESS

Öz

In this study, the effects of pouring temperature and pressure on structure and mechanical properties of Al - 10%
Si alloys produced by green sand mold traditional gravity casting and counter gravity casting methods were
investigated. The specimens were poured at 600, 640 and 690°C temperature under 100, 200, 250, 300 and 500
mmHg vacuum level. The results showed that improved mechanical properties were obtained by counter gravity
casting process

Anahtar Kelimeler

• Counter gravity casting,green sand mold,mechanical properties

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