Browsing by Author "Tarakçı, Gürkan"
Now showing items 1-16 of 16
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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 ... -
Characterization of Al/B4C–Y2O3 Hybrid Composites Produced by Vacuum Hot Pressing Combined with Al2O3–Y2O3 Interaction
Bayrak, Yahya; Kısasöz, Burçin Özbay; Tarakçı, Gürkan; Kısasöz, Alptekin (Elsevier, 2024)In this study, the Al/B4C/Y2O3 hybrid composites were produced by Al2O3 and Y2O3 interaction via hot pressing. Moreover, the influence of Y2O3 on the properties of Al/B4C 10 wt% was investigated. The hot pressing was ... -
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 Orientations and Heat Treatments on Alsi10mg Alloy Fabricated by Selective Laser Melting: Microstructure Evolution, Mechanical Properties, Fracture Mechanism and Corrosion Behavior
Tarakçı, Gürkan; Khan, Hamaid Mahmood; Yılmaz, Mustafa Safa; Özer, Gökhan (Emerald Publishing Limited, 2022)Purpose – The present paper aims to systematically investigate the influence of building orientations (0°, 15°, 30°, 45°, 60°, 75°) and heat treatment processes on the macro-/micro-structural, mechanical and electrochemical ... -
Effect of Heat Treatments on the Microstructure and Wear Behaviour of A Selective Laser Melted Maraging Steel
Özer, Gökhan; Khan, Hamaid Mahmood; Tarakçı, Gürkan; Yılmaz, Mustafa Safa; Yaman, Paşa; Karabeyoğlu, Sencer Süreyya; Kısasöz, Alptekin (SAGE, 2022)This study applied classical and intercritical heat treatments to maraging steel (MS1) samples produced with standard additive manufacturing (AM) production parameters. The effects of heat treatment parameters on the ... -
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, ... -
Effects of Nb on Borosiliciding of CoCrFeNiNbx High-Entropy Alloy
Cengiz, Sezgin; Azaklı, Yunus; Doğancan, Ceylan; Tarakçı, Gürkan; Tarakçı, Mehmet; Gencer, Yücel; Thuvander, Mattias (Elsevier, 2023)The effect of Nb addition (2, 5, 10 at. %) on the borosiliciding behavior of CoCrFeNiNbx high-entropy alloy was studied. Vacuum arc melted CoCrFeNiNbx alloys consisted of FCC and Laves-C14 phases. The increase of Nb in the ... -
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 ... -
Improvement of Corrosion Resistance of Maraging Steel Manufactured by Selective Laser Melting Through Intercritical Heat Treatment
Khan, Hamaid Mahmood; Özer, Gökhan; Yılmaz, Mustafa Safa; Tarakçı, Gürkan (Natl Assoc Corrosion Eng, 2022)Selective laser melting allows the layerwise fabrication of bespoke designs, creating new prospects in applications and properties compared to conventional methods. Like other ultra-high-strength steels, maraging steels ... -
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 ... -
Influence of High-Velocity Oxy-fuel Sprayed Cr3C2-NiCr Coating on Corrosion and Wear Properties of AISI 2205
Işık, Rasim Göker; Kısasöz, Burçin Özbay; Tarakçı, Gürkan; Karabeyoğlu, Sencer Süreyya; Uğuz, Tolun; Kısasöz, Alptekin (Springer, 2024)In this study, Cr3C2/10%NiCr layer was deposited on the AISI 2205 duplex stainless steel by the HVOF technique. Microstructural, tribological and corrosion behaviors of the coated and uncoated samples were investigated. ... -
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 Microstructure and Mechanical Characteristics of Lattice Structures Produced by Laser Powder Bed Fusion Method
Ertürk, A.Tamer; Bulduk, Mustafa Enes; Tarakçı, Gürkan; Özer, Gökhan; Yarar, Eser (Springer, 2021)This study includes experimental research conducted to produce lattice structures and to examine their mechanical properties by taking advantage of the design freedom provided by additive manufacturing. Much of the existing ... -
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) ... -
Recycling of Additive Manufactured Alsi10mg and İts Effect on Mechanical Properties
Coşkun, Mert; Dizdar, Kerem Can; Tarakçı, Gürkan; Özer, Gökhan; Dispinar, Derya (Elsevier, 2022)Energy savings and sustainability have become the critical factors for economic development. Recycling of aluminum has been studied for a long time. It is well known that there is a significant difference in terms of energy ... -
Support Optimization for Overhanging Parts in Direct Metal Laser Sintering
Öter, Zafer Çağatay; Çoşkun, Mert; Akça, Yaşar; Sürmen, Ömer; Yılmaz, Mustafa Safa; Özer, Gökhan; Tarakçı, Gürkan; Khan, Hamaid Mahmood; Koç, Ebubekir (Elsevier, 2019)The present work focuses mainly on the utilization of different support profiles for overhang structures in EOS M290 Direct Metal Laser Sintering (DMLS) machine. Maraging steel (MS1) parts with large overhangs were ...
