Research Information System
Thesis Type: Postgraduate
Institution Of The Thesis: Gazi Üniversitesi, Fen Bilimleri Enstitüsü, Turkey
Approval Date: 2020
Thesis Language: Turkish
Student: ABDULKERİM ERCİL
Supervisor: NECATİ YALÇIN
Open Archive Collection: AVESIS Open Access Collection
Abstract:Aluminum foam metals have found a wide application area in structural and functional products due to their excellent mechanical, acoustic, thermal, electrical and chemical properties. Today, many applications are possible for aluminum foam metals. Foam materials are used as closed cells in many structural applications, especially in the automotive, defense and construction sectors. However, open cell structures are also needed for impact damping and composite cellular structure. In this study, open cell structure was produced from aluminum alloy by casting method using NaCl salt. Samples produced in open cell structure are provided with cell sizes of 8, 10 and 12 mm and aluminum metallic foam samples are produced. The NaCl salt was obtained by mixing the pore sizes of different diameters in the metal mold from spherical salts with the desired dimensions from the wet salts obtained from the mixture of water in certain proportions. The obtained spherical salts were placed in mold cavities prepared in different sizes shaped in sand molds in order to form a simple cubic shape and the molds were closed and casting process was performed. After the foam samples of different sizes were removed from the mold, they were washed in the water pool and then salt was removed. The density and pore geometry of the foam samples were examined. As a result of this investigation, theoretical densities of 1.44 g / cm3 in the sample with 8 mm pore diameter, 1.46 g / cm3 in the sample with 10 mm pore diameter and 0.99 g / cm3 in the samples with 12 mm pore size were obtained. Then, different mechanical tests were performed on the obtained samples and the results were evaluated