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  • [ X ]
    Öğe
    Algılayıcı ve biyomalzeme üretiminde eklemeli imalatın gelişimine genel bir bakış
    (Gazi Universitesi, 2023) Kartal, Yunus; Daş, Memik Taylan
    With the developing technology, additive manufacturing technique has become one of the manufacturing areas whose importance is increasing day by day in different fields. Additive manufacturing is a method based on the principle of producing/laying the object to be produced layer by layer. The additive manufacturing method is widely used in different industries such as aviation, automotive and biomedical due to its advantageous features such as easy production of complex shaped parts, cost and production speed. Due to these advantages, it has started to replace subtractive manufacturing methods in the near future. The production of wearable technology and biomaterials, which are among the additive manufacturing application areas, has been the focus of attention of researchers with an increasing momentum in recent years. This compilation study, which was carried out due to the successful applications of the additive manufacturing technique in these areas, is important in order to follow the current progress of the title and the course of future studies. For this purpose, it is aimed to convey the current developments in the field of wearable technology, especially on the production of sensors and biomaterials by additive manufacturing method. © 2023 Gazi Universitesi Muhendislik-Mimarlik. All rights reserved.
  • Küçük Resim
    Öğe
    Alüminyum (al 1070) matrisli silisyum karbür (sic) ve bor karbür (b4c) takviyeli hibrit metal matrisli kompozit malzemelerin işlenebilirliklerinin araştırılması
    (Kırıkkale Üniversitesi, 2017) Kartal, Yunus; Er, Ali Osman
    Bu çalışmada Alüminyum matrisli SiC ve B4Ctakviyeli kompozit malzemelerin tornalama işleminde, takviye oranlarının işlenebilirliğe etkileri veen uygun kesme parametreleri tespit edilmeye çalışılmıştır. Yüksek dayanım, aşınma direnci kompozit malzemelerin sahip oldukları en temel özelliklerdendir. Deneysel çalışmalarda farklı takviye hacim oranlarında takviye malzemesi kullanılmıştır. Deneysel çalışmalar CVD kaplamalı kesici takım kullanılarak, farklı kesme hızı ve ilerleme verilerinde sabit kesme derinliğinde soğutma sıvısı kullanılmadan gerçekleştirilmiştir. Yapılan deneylerle işleme parametrelerinin (kesme hızı, ilerleme ve takviye oranının) kesme kuvvetleri, yüzey pürüzlülüğü ve takım aşınmasına olan etkileri araştırılmıştır. Yapılan bu çalışma ile metal matrisli hibrit takviyeli kompozit malzemelerin işlenebilirliği konusunda referans olabilecek bir çalışma gerçekleştirilmesi amaçlanmıştır.
  • Küçük Resim
    Öğe
    An overview of the evolution of additive manufacturing in sensor and biomaterial production
    (Gazi Univ, Fac Engineering Architecture, 2023) Kartal, Yunus; Daş, Memik Taylan
    With the developing technology, additive manufacturing technique has become one of the manufacturing areas whose importance is increasing day by day in different fields. Additive manufacturing is a method based on the principle of producing/laying the object to be produced layer by layer. The additive manufacturing method is widely used in different industries such as aviation, automotive and biomedical due to its advantageous features such as easy production of complex shaped parts, cost and production speed. Due to these advantages, it has started to replace subtractive manufacturing methods in the near future. The production of wearable technology and biomaterials, which are among the additive manufacturing application areas, has been the focus of attention of researchers with an increasing momentum in recent years. This compilation study, which was carried out due to the successful applications of the additive manufacturing technique in these areas, is important in order to follow the current progress of the title and the course of future studies. For this purpose, it is aimed to convey the current developments in the field of wearable technology, especially on the production of sensors and biomaterials by additive manufacturing method.
  • [ X ]
    Öğe
    Biyouyumlu Malzemelerin Üretimi için 4D Eklemeli İmalat Cihazı Tasarımı ve Üretimi
    (Kırıkkale Üniversitesi, 2023) Kartal, Yunus; Doğan, Deniz; Daş, Memik Taylan; Metin, Ayşegül Ülkü
    Bu çalışmanın amacı biyouyumlu malzemelerin üretimi için alışılagelmiş kartezyen eksenlerinin haricinde tablada bulunan ve ekseni etrafında dönen dördüncü eksene sahip dört boyutlu (4D) eklemeli imalat cihazı tasarımı ve üretimidir. Bu kapsamda çeşitli mekanik ve elektronik aksesuar veya bileşenlerin teorik ve teknik detayları verilmektedir. Çalışma kapsamındaki dört boyutlu yazıcı üretilen malzemelerin özelliklerinin atmosfer koşullarından etkilenmesini engellemek amacıyla izole bir ortamda çalışmaktadır. Tasarımı ve üretimi gerçekleştirilen cihazda ultraviyole ışın altında poli(2-hidroksietil metakrilat) üretilmiş ve mekanik özellikleri incelenmiştir.
  • [ X ]
    Öğe
    Investigation of Machinability of Aluminum (Al1070) Matrix, Silicon Carbide (SiC) and Boron Carbide (B4C) Reinforced Hybrid Composite Materials
    (Kırıkkale Üniversitesi, 2024) Kartal, Yunus; Er, Ali Osman
    In this study, the machinability of hybrid metal matrix composite (MMC) materials were investigated. Experiments were carried out on a CNC lathe using aluminium 1070 matrix SiC and B4C reinforced MMC materials without cooling fluid. The effect of cutting parameters and MMC reinforcement ratios on working has been examined. It has been tried to determine the optimum reinforcement ratio and cutting parameters in the machining process of hybrid reinforced MMC materials. As a result of this study, it was tried to contribute to the industrial area by determining the most suitable cutting parameters for Al1070 matrix SiC and B4C hybrid reinforced MMC materials.
  • [ X ]
    Öğe
    Investigation of the Effects of Cutting Fluid Application with Minimum Quantity Lubrication (MQL) Method on the Machinability of Pure Titanium
    (2024) Kartal, Yunus; Er, Ali Osman
    Machining is one of the widely used methods in today's technology and there are many parameters that affect the machinability of the produced product. In the machining process, the machinability of the product depends on parameters such as feed rate, depth of cut, cutting speed and cutting fluid. The use of cutting fluid during the process has advantages such as improving surface quality, but also disadvantages such as increased cost and environmental damage. Due to these disadvantages of cutting fluid in manufacturing processes, alternative methods have been developed. The method called minimum quantity lubrication (MQL) not only reduces cost but also improves machinability. In this study, the machinability of titanium turning was evaluated with main cutting force, surface roughness and temperature measured in the primary cutting zone data. MQL method was used in the study and Taguchi L9 model was applied. The results were compared between dry cutting and MQL atmospheres. The reliability of the data and the degree of influence of the parameters were analyzed by ANOVA. In this study, the shear force data obtained in the dry shear atmosphere were higher than the data obtained in the MQL method. In addition, the surface roughness values obtained in dry cutting atmosphere were also relatively high. The optimum cutting speed, feed rate and depth of cut values for the process were determined as 60 m/min, 0.05 mm/rev and 0.5 mm, respectively.