Yazar "Yılmaz, Mustafa Safa" için listeleme
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Applying High Voltage Cathodic Pulse with Various Pulse Durations on Aluminium Via Micro-Arc Oxidation (MAO)
Yılmaz, Mustafa Safa; Şahin, Orhan (Elsevier, 2017)The present study is an investigation of the effect of pulse duration on properties of coatings formed on aluminium alloy (Al) in alkaline solution via using of high voltage cathodic pulses. Nine different anodic-cathodic ... -
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 ... -
Corrosion Behaviour of Additive Manufactured Metals
Özer, Gökhan; Yılmaz, Mustafa Safa (Springer, 2023)Additive manufacturing is the production process in which a 3D CAD model is combined into layers, and the material is turned into a physical part. Additive manufacturing is an important technology that is very popular and ... -
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 ... -
A Determination of the Corrosion and Microstructure Properties of AlSi10Mg Material Produced by Different Direct Metal Laser Sintering (DMLS) Process Parameters
Yılmaz, Mustafa Safa (Bitlis Eren Üniversitesi, 2022)Additive Manufacturing (AM) has been developing with increasing interest recently. The development of this technology will accelerate with the increase in material, process, and product quality. It is therefore essential ... -
Development of an Alternative Heat Treatment to the Traditional T6 Heat Treatment of AlSi10Mg Alloy Produced by Additive Manufacturing
Tütük, İbrahim; Ural, Mehmet Moğoltay; Yılmaz, Mustafa Safa; Özer, Gökhan (Springer, 2024)In this study, alternative solution heat treatments, applied at lower temperatures and shorter times, were applied to AlSI10Mg samples produced with the powder bed laser fusion technique. Thermocalc software was used to ... -
Dry Sliding Wear Behavior of 316 L Stainless Steel Produced by Laser Powder Bed Fusion: A Comparative Study on Test Temperature
Khan, Hamaid Mahmood; Yılmaz, Mustafa Safa; Karabeyoğlu, Süreyya Sencer; Kisasoz, Alptekin; Özer, Gökhan (Elsevier, 2023)Laser powder bed fusion (LPBF) is becoming more popular and widely acceptable class of the additive manufacturing processes for metallic objects. The impact of test temperatures, sliding speed, and loading conditions on ... -
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 Drag Finish Post-processing on Surface Integrity and Wear Behavior of Ti-6Al-4V Fabricated by Laser Powder Bed Fusion Additive Manufacturing
Güneşsu, Emrah; Yılmaz, Mustafa Safa; Taşçıoğlu, Emre; Sharif, Safian; Kaynak, Yusuf (Springer, 2022)The Additive Manufacturing (AM) process provides opportunities to fabricate products with complex geometries including conformal cooling channels, etc. While having such an advantage, the low surface quality of the ... -
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 Hot Isostatic Pressing and Heat Treatments on Structural and Corrosion Properties of Direct Metal Laser Sintered Parts
Yılmaz, Mustafa Safa; Özer, Gökhan; Öter, Zafer Çağatay; Ertuğrul, Onur (Emerald Publishing Limited, 2021)Purpose – This paper aims to investigate the effects of various heat treatments on microstructure, hardness, porosity and corrosion properties of the parts. Design/methodology/approach – Hot isostatic pressing (HIP) ... -
Heat Treatment of Additive Manufactured Metals
Yılmaz, Mustafa Safa; Özer, Gökhan (Springer, 2023)Additive manufacturing systems, which have strict control processes before and after manufacturing, are used in many industries. The quality of the machine’s equipment and raw materials used directly affect the production ... -
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 ... -
Investigation of High Energy Single Pulse Effect on Micro Arc Oxidation (MAO) Process on Aluminium
Yılmaz, Mustafa Safa; Şahin, Orhan (Avestia Publishing, 2019)Micro Arc Oxidation (MAO) was applied by using high-energy anodic/cathodic pulses with various pulse durations. Anodic and cathodic pulse couples were kept at a constant voltage of 500 volts. Energy of each pulse increased ... -
Investigation of the Effect of Heat Treatment Conditions on Hardness Properties of Maraging Steels Produced by Additive Manufacturing
Öksüzcan, İlkgül; Çakan, Derya; Yılmaz, Mustafa Safa; Ertuğru, Onur (Kerim Çetinkaya, 2021)Additive Manufacturing (AM) technology produces parts in layers and offers design freedom (3D design), zero waste, reduced expensive tool material requirements, and improved mechanical properties. Maraging steels have ... -
Investigation of the Effects of Different Retrogression and Re-Aging Parameters Applied to the 7075 Alloy on the Micro-Arc Oxidation Process
Yılmaz, Mustafa Safa; Özer, Gökhan; Şahin, Orhan; Karaaslan, Ahmet (World Scientific, 2021)In this paper, retrogression and re-aging (RRA) heat treatment was applied to 7075 aluminum alloy in T6 condition at di®erent times (30 and 90 min) and temperatures (180 C and 240 C). While RRA heat treatments increase ... -
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) ... -
Post-Processing in Additive Manufacturing Requirements, Theories, and Methods
Khan, Hamaid Mahmood; Özer, Gökhan; Yılmaz, Mustafa Safa (CRC Press Taylor & Francis Group, 2023)3D printing has always been seen as a promising technology for creating small, lowquality prototypes. As it is getting faster and more dependable, its applications are becoming more diversified. 3D printing involves adding ... -
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 ...