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Metal Kompozit Hibrid eklemler Gerilmeler Farklı Metal Malzeme Kullanımının Etkileri (Seri B)

Effects of Using Different Metal Materials on Stresses in Metal-Composite Hybrid Joints (Series B)

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Abstract (2. Language): 
The aim of this study is to investigate effeçts on stresses of using different adherent material in metal-çomposite hybrid joints. It was assumed that a çomposite plate was adhesively bonded and pinned to different metal plates. The metal plates were aluminum, steel, çopper and titanium. For providing a real problem, three-dimensional finite element models were çreated. Tensile loads at uniform temperature were tested on the modeled hybrid joints. In order to analyze the stresses of the problem, the finite element method (FEM) was çhosen, sinçe this method has proved suitable for solving many engineering problems reçently. Aççording to the results, high stresses oççurred beçause of the different material properties of the çomposite adherent, metal adherent and epoxy adhesive. Stresses were çonçentrated around the pin hole zone espeçially. The higher stresses were observed for the steel-çomposite joint, whereas the lower stresses were obtained in the titanium-çomposite joint.
Abstract (Original Language): 
B u çalışmanın amacı, metal-kompozit bağlantılarda farklı malzemelerden yapılmış metal plaka kullanımının gerilmeler üzerine etkisinin incelenmesidir. Kompozit bir plakanın farklı metal plakalara yapıştırıldığı ve pim bağlantısı yapıldığı varsayılmıştır. Metal plakalar alüminyum, çelik, bakır ve titanyumdur. Gerçek bir problem olusturmak için Uç boyutlu modeller olusturulmustur. Karma bağlantı üzerine hem çekme yükü hem de uniform sıçaklık yükü birlikte uygulanmıstır. Gerilme probleminin çozumü için sonlu elemanlar metodu (FEM) seçilmistir, çünkü bu yöntem son zamanlarda birçok mühendislik probleminin çozumü için çok uygun olmaktadır. Elde edilen sonuçlara gore, kompozit plakanın, metal plakanın ve epoksi yapıçstırıçının farklı malzeme üozelliklerinden dolayı ççok yuüksek degğerlerde gerilmeler meydana gelmiçstir. Gerilmeler oüzellikle pim deliğgi ççevresinde yoğgunlaçsmıçstır. En buüyuük gerilmeler ççelik-kompozit bağglantılarda oluçstuğgu güozlemlenirken, en duüçsuük gerilmeler titanyum-kompozit bağglantılar iççin elde edilmiçstir.
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REFERENCES

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