Kurum Yazarı "Koç, Ebubekir" İçin Listeleme
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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] -
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 ... -
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) ... -
Comparison of the Effect of Different Topological Designs and Process Parameters on Mechanical Strength in Gears
Bulduk,Mustafa Enes; Çalışkan, Cemal İrfan; Çoşkun, Mert; Özer,Gökhan; Koç, Ebubekir (Springer, 2021)Gear wheels, the first examples of use in the Mesopotamian period, continue to develop with different forms and features together with advanced technologies. Within the scope of this study, the DMLS (direct metal laser ... -
Corrosion of Additively Manufactured Metallic Components: A Review
Khan, Hamaid Mahmood; Özer,Gökhan; Yılmaz, Mustafa Safa; Koç, Ebubekir (King Fahd University of Petroleum & Minerals, 2021)The unique additive manufacturing (AM) attributes such as tool-less design, on-site fabrication, short production cycle, and complex structures fabrication can make AM market penetration deeper. The sustained improvements ... -
Dry Sliding Wear Behavior of Energy Density Dependent PA 12/Cu Composites Produced by Selective Laser Sintering
Kısasöz, Burçin Özbay; Koç, Ebubekir; Kısasöz, Alptekin; Karabeyoğlu, Sencer Süreyya (De Gruyter, 2023)The selective laser sintering process is widely used to fabricate polyamide matrix composites. Although various reinforcements are used to produce polyamide matrix composites, metallic-based reinforcements are used to ... -
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, ... -
Efficiency Research of Conformal Channel Geometries Produced by Additive Manufacturing in Plastic Injection Mold Cores (Inserts) Used in Automotive Industry
Çalışkan, Cemal İrfan; Özer, Gökhan; Koç, Ebubekir; Sarıtaş, Umut Sezer; Yıldız, Coşkun Fırat; Çiçek, Övgü Yağız (Mary Ann Liebert, Inc., 2022)In the production of geometries that traditional methods cannot produce, it is seen that additive manufacturing (AM) technology, which has come to the fore, has been used extensively in conformal cooling channel ... -
Estimation of Surface Roughness in Selective Laser Sintering Using Computational Models
Koç, Ebubekir; Zeybek, Sultan; Kısasöz, Burçin Özbay; Çalışkan, Cemal İrfan; Bulduk, Mustafa Enes (Springer, 2022)This study presents a comprehensive experimental dataset and a novel classification model based on Deep Neural Networks to estimate surface roughness for additive manufacturing. Many problems exist due to the very complex ... -
Estimation of the Compression Strength and Surface Roughness of the As-Built SLS Components Using Weibull Distribution
Khan, Hamaid Mahmood; Tarakçı, Gürkan; Bulduk, Mustafa Enes; Koç, Ebubekir (Yıldız Teknik Üniversitesi, 2021)Selective laser sintering (SLS) is a process of fabrication of three-dimensional structures by fusing powder particles using a guided laser source. The uncertainty in the mechanical properties of the SLS parts fabricated ... -
Evolution of Temperature and Residual Stress Behavior in Selective Laser Melting of 316L Stainless Steel Across a Cooling Channel
Khan, Hamaid Mahmood; Waqar, Saad; Koç, Ebubekir (Emerald Publishing Limited, 2022)Purpose – The current investigation aims at observing the influence of the cooling channel on the thermal and residual stress behavior of the selective laser melting (SLM)316L uni-layer thermo-mechanical model. Design/ ... -
Hibrit Dinamik Benzeri Simülasyon ve Test İçi Model Güncellemesi
Aksoylar, Cenk; Aksoylar, Nihan Doğramacı; Güzel, Ömer; Koç, Ebubekir (FSM Vakıf Üniversitesi, 2017)Yapıların deprem davranışlarının belirlenmesinde kullanılan laboratuvar testleri; quasi statik, dinamik benzeri ve sarsma tablası testleri olarak gruplandırılabilir. Dinamik benzeri yöntemlerine ait araştırmalar; hibrit, ... -
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 ...