Aluminum Forming by Vaporizing Foil Actuator Welding

Yıl 2023, Cilt: 38 Sayı: 4, 993 - 1003, 28.12.2023

Ganime Tuğba Önder , Mustafa Kemal Külekci

https://doi.org/10.21605/cukurovaumfd.1410340

Öz

Aluminum, has a wide range of uses, from industry to medical industrial products such as automotive, defense-aviation, and space. Aluminium has become a preferred material in applications where weight needs to be reduced. It is also used as a material in metal cladding and shaping applications. However, the high thermal conductivity coefficient of aluminum may cause some difficulties in the production process. These difficulties due to thermal conductivity may not allow to manufacture of desired products. In this study formability of aluminum with vaporizing foil actuator welding (VFAW) has been investigated as an alternative process to the traditional and solid state welding processes. By using different voltage values and separation distance parameters, the effects of these parameters on the formability of aluminum and copper sheet metal pairs with VFAW were examined experimentally. Experimental data show that voltage value is an important parameter in the VFAW process where a DC capacitor is used. In the VFAW process, where a 375 V voltage value is used, it has been determined that welding occurs in processes performed with three different separation distances (0.4 mm- 0.9 mm -1.5 mm). It was determined that 0.4 mm and 0.9 mm separation distances were effective in joining Al/Cu metal sheets with 0.1 mm thickness.

Anahtar Kelimeler

Solid state welding, Vaporizing foil actuator welding, Aluminum, Sheet metal forming

Buharlaştırılmış Folyo Aktüatör Kaynağı ile Alüminyum Şekillendirme

Öz

Endüstrinin vazgeçilmez malzemelerinden olan alüminyum, otomotiv, savunma-havacılık ve uzay endüstrisinden medikal endüstriyel ürünlere kadar çok geniş bir kullanım alanına sahiptir. Özellikle parça ağırlığının azaltılması gereken uygulamalarda ihtiyaç duyulan bir malzeme konumuna gelmiştir. Ayrıca metal giydirme, şekillendirme uygulamalarında yapısal bileşen olarak da kullanılmaktadır. Ancak alüminyumun yüksek ısı iletim katsayısı, üretim sürecinde bazı zorluklara neden olabilmektedir. Geleneksel imalat teknikleri, özellikle bu termal sorun nedeniyle sağlıklı ürün elde etmekte zorluklar yaşanmasına sebep olmaktadır. Bu çalışmada, hem geleneksel hem de katı hal kaynak yöntemlerine alternatif olarak folyo buharlaştırma tekniği (VFAW) ile alüminyumun şekillendirilebilirliği incelenmiştir. Farklı gerilim değerleri ve durdurma mesafesi parametreleri kullanılarak, bu parametrelerin alüminyum ve bakır sac metal çiftinin VFAW ile şekillendirilebilirliği üzerine etkileri deneysel olarak incelenmiştir. Deneysel veriler DC kapasitörlerin kullanıldığı kaynak yönteminde, gerilim değerinin önemli bir parametre olduğunu göstermektedir. 375 V gerilim değerinin kullanıldığı VFAW prosesinde üç farklı ayırma mesafesi ile gerçekleştirilen işlemlerde (0.4 – 0.9 – 1.5 mm) kaynak oluşumunun gerçekleştiği tespit edilmiştir. 0.1 mm kalınlığa sahip Al/Cu sac metal levhaların birleştirilmesinde 0.4 mm ve 0.9 mm ayrılma mesafesinin etkili olduğu belirlenmiştir.

Anahtar Kelimeler

Katı hal kaynağı, Buharlaştırılmış folyo aktüatör kaynağı, Alüminyum, Sac metal şekillendirme

Kaynakça

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