Browsing by Author "Koç, Ebubekir"
Now showing items 1-20 of 28
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3D Baskı ile Hızlı Prototip ve Son Ürün Üretimi
Yılmaz, Fevzi; Arar, M. Esad; Koç, Ebubekir (Dünya Gazetesi, 2013)[No Abstract Available] -
Alüminyum Profil İmalatında İşçi Sağlığı ve İş Güvenliği
Akça, Yaşar; Koç, Ebubekir; Yılmaz, Fevzi (TMMOB Metalurji Mühendisleri Odası, 2014)Bir işyerinin kimliğini işyerinin yöneticileri ve çalışanları belirlemektedir. Yöneticilerin tutum ve davranışları işçi sağlığı ve iş güvenliği için çok önemlidir. Düzensiz iş akışı, uygun olmayan çalışma ortamı ve eksik ... -
Benefits of Laser Beam Based Additive Manufacturing in Die Droduction
Öter, Zafer Çağatay; Coşkun, Mert; Akça, Yaşar; Sürmen, Ömer; Yılmaz, Mustafa Safa; Özer, Gökhan; Tarakçı, Gürkan; Koç, Ebubekir (Elsevier, 2019)The aim of this study was to benefit from the novel design and production freedom of laser manufacturing in order to alter the existing design concept of extrusion dies and to resolve the limits in die production. A ... -
Biyomedikal Parçalarin Eklemeli İmlatla (3d Baski) Üretimi
Koç, Ebubekir; Yılmaz, Fevzi (Fatih Sultan Mehmet Vakıf Üniversitesi Biyomedikal Elektronik Tasarım, Uygulama ve Araştırma Merkezi, 2016-05-16)Eklemeli üretim teknolojisi ve tıpta uygulaması 1980’lerin başlarından itibaren gelişmeye başladı. Bugün bu teknoloji kısaca 3D baskı takma bacaktan uçak parçalarına kadar her şeyin üretilmesini olanaklı kılan bir teknoloji ... -
Classification of Main Faults in the Production Process of Extruded Aluminium Profiles
Al-jabbouli, Hasan; Koç, Ebubekir; Akça, Yaşar (İstanbul Gelişim Üniversitesi, 2015)Aluminium use has been rising steadily in recent decades. Several different industries are adapting it since its light weight, doable structure and robustness. Aluminium manufacturing runs in three ways; namely: (1) ... -
Double Stud Cargo Fitting Research, Alternative Cargo Clip Design and Analysis
Çalışkan, Cemal İrfan; Koç, Ebubekir; Khan, Hamaid Mahmood; Bulduk, Mustafa Enes (Embry-Riddle Aeronautical University, 2019)In air transportation, fixing the cargo inside the aircraft is important in terms of both flight safety and operational process. Positioning and fixing of the cargo to the aircraft within a short period of time without any ... -
Effect of Aging and Finish Machining on the Surface Integrity of Selective Laser Melted Maraging Steel
Taşçıoğlu, Emre; Khan, Hamaid Mahmood; Kaynak, Yusuf; Coşkun, Mert; Tarakçı, Gürkan; Koç, Ebubekir (Emerald Publishing Limited, 2021)Purpose – The present study aims to investigate the effect of finish machining and aging processes on the surface integrity of the selective laser melted (SLM) maraging steel samples and compared them with those obtained ... -
Effect of Building Platform Position on the Surface Quality, Dimensional Accuracy, and Geometrical Precision of Direct Metal Laser Sintering (DMLS) Parts
Öter, Zafer Çağatay; Coşkun, Mert; Koç, Ebubekir (Euro PM 2018 Congress and Exhibition, 2018)This paper presents the variations of surface roughness and geometrical precision of Direct Metal Laser Sintering (DMLS) parts depending on their positions on the building platform of EOS M290. A distinctive design was ... -
Effect of HIP Process and Subsequent Heat Treatment on Microstructure and Mechanical Properties of Direct Metal Laser Sintered AlSi10Mg Alloy
Ertuğrul, Onur; Öter, Zafer Çağatay; Yılmaz, Mustafa Safa; Şahin, Ezgi; Coşkun, Mert; Tarakçı, Gürkan; Koç, Ebubekir (Emerald, 2020)Purpose – The purpose of this paper is to evaluate the effect of post process combinations, e.g. hot isostatic pressing (HIP) only, HIP 1 T6 heat treatments, and T6 only, with different aging time, on surface properties, ... -
Evrimsel Algoritmalar ve Uygulamaları
Koç, Ebubekir; Çalışkan, Sedrettin; Demirci, Ulaş; Kuş, Zeki (FSM Vakıf Üniversitesi, 2017)Bu çalışmada, iki boyutlu yerleştirme probleminin gazetelerin seri ilanlar bölümüne uygulanması anlatılmaktadır. Gazetelerin seri ilan sayfaları birden fazla ilan içermektedir. Bu ilanların sayfa içerisine en az fire ile ... -
An Improved Bees Algorithm for Training Deep Recurrent Networks for Sentiment Classification
Zeybek, Sultan; Pham, Duc Truong; Koç, Ebubekir; Seçer, Aydın (MDPI, 2021)Recurrent neural networks (RNNs) are powerful tools for learning information from temporal sequences. Designing an optimum deep RNN is difficult due to configuration and training issues, such as vanishing and exploding ... -
Improving the Surface Quality and Mechanical Properties of Selective Laser Sintered PA2200 Components by the Vibratory Surface Finishing Process
Khan, Hamaid M.; Sirin, Tolga B.; Tarakçı, Gürkan; Bulduk, Mustafa E.; Coşkun, Mert; Koç, Ebubekir; Kaynak, Yusuf (Springer, 2021)This paper attempts to improve the physical and mechanical properties of selective laser sintered polyamide PA2200 components through a vibratory surface finishing process by inducing severe plastic deformation at the ... -
Investigation of Direct Metal Laser Sintering Downskin Parameters’ Sagging Effect on Microchannels
Çalışkan, Cemal İrfan; Özer, Gökhan; Coşkun, Mert; Koç, Ebubekir (Springer, 2021)Additive manufacturing technology is an innovative and advantageous production technology in producing microchannels, heat exchangers designed in complex geometries. Process parameters developed to provide production ... -
Investigation of Elemental Distribution in the Sheet Sections After Aluminum Continuous Sheet Casting, Cold Rolling and Heat Treatment Processes
Ulus, Ali; İpek, Sadık Kaan; Ekici, Hamdi; Öter, Zafer Çağatay; Koç, Ebubekir (TMS Annual Meeting & Exhibition, 2018)Aluminum is used in millions of different products in many diverse industries from the aerospace industry to the food industry. Owing to its low density, high strength when alloyed, high elasticity, recyclability, high ... -
Investigation of Manufacturability and Efficiency of Micro Channels with Different Geometries Produced by Direct Metal Laser Sintering
Çalışkan, Cemal İrfan; Coşkun, Mert; Özer, Gökhan; Koç, Ebubekir; Vurkır, Turgut Azer; Yöndem, Gökay (Springer, 2021)Manufacturability without supports in design studies for additive manufacturing (AM) brings many advantages such as time, cost, part surface quality, and design freedom. It is thought that the geometries that can be ... -
Investigation of the Effects of Different Heat Treatment Parameters on the Corrosion and Mechanical Properties of the AlSi10Mg Alloy Produced with Direct Metal Laser Sintering
Özer, Gökhan; Tarakçı, Gürkan; Yılmaz, Mustafa S.; Öter, Zafer Çağatay; Sürmen, Ömer; Akça, Yaşar; Coşkun, Mert; Koç, Ebubekir (Wiley Online Library, 2019)In this study, AlSi10Mg samples produced by the direct metal laser sintering (DMLS) method were applied to heat treatment with different parameters (stress relief and T6). Heat‐treated and as‐built samples were subjected ... -
Investigation of the Surface Quality and Dimensional Accuracy of Polymer Patterns Produced by Selective Laser Sintering (SLS) Method for Investment Casting (IC)
Özer, Gökhan; Özbay, Burçin; Tarakçı, Gürkan; Yılmaz, Mustafa Safa; Bulduk, Mustafa Enes; Koç, Ebubekir; Acar, Serhat; Güler, Kerem Altuğ; Öter, Zafer Çağatay (Taylor & Francis Group, 2020)In this study, Polymer (Primecast® 101-EOS)patterns were produced with the EOS Formiga P110 system, and these patterns were compared with conventional wax patterns using their suitability for the investment casting (IC) ... -
Kuşevleri ve 3 Boyutlu Baskı Yöntemi ile Üretimi
Çalışkan, Cemal İrfan; Koç, Ebubekir (FSM Vakıf Üniversitesi, 2019-06)İnceliğin estetiğe, estetiğin mimariye dönüştüğü kuşevi, yaşadığımız coğrafyada, yüzyıllar öncesi temelleri atılmış bir geleneğin, kültürel değerin günümüze ulaşan, kaybolmasından endişe duyulan izleri olarak görülebilir. ... -
Makine Öğrenme Metotları Kullanılarak Fonların Fiyat Tahmini İçin Model Geliştirilmesi
Çalışkan, Sedrettin (Fatih Sultan Mehmet Vakıf Üniversitesi, Lisansüstü Eğitim Enstitüsü, 2020)Bu tez çalışmasında, makine öğrenme algoritmaları kullanılarak fonlann fiyat tahmini için model geliştirilmesi yapılmıştır. Fon fiyat tahmin sistemi amacıyla geliştirilmesi yapılan model çalışmasında kullanılan veri setinin ... -
MS-TR: A Morphologically Enriched Sentiment Treebank and Recursive Deep Models for Compositional Semantics in Turkish
Zeybek, Sultan; Koç, Ebubekir; Seçer, Aydın (Taylor & Francis, 2021)Recursive Deep Models have been used as powerful models to learn compositional representations of text for many natural language processing tasks. However, they require structured input (i.e. sentiment treebank) to encode ...
