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Now showing items 19-38 of 112
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A Determination of the Corrosion and Microstructure Properties of AlSi10Mg Material Produced by Different Direct Metal Laser Sintering (DMLS) Process Parameters
(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 ... -
Double Stud Cargo Fitting Research, Alternative Cargo Clip Design and Analysis
(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 ... -
Dönüşümcü ve İşlemci Liderlik Stilleri: Kavramsal Çerçevesi ve Eğitim Örgütleri Açısından Etkileri
(FSM Vakıf Üniversitesi, 2015)Örgütlerin iç ve dış çevrelerinde yaşanan hızlı gelişmeler, daha etkin ve etkili liderlik tarzlarının organizasyonlarda uygulanmasını zorunlu kılmıştır. Dönüşümcü ve işlemci liderlik stillerinin, örgütlerin yapılarına, ... -
Dry Sliding Wear Behavior of 316 L Stainless Steel Produced by Laser Powder Bed Fusion: A Comparative Study on Test Temperature
(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 ... -
Dry Sliding Wear Behavior of Energy Density Dependent PA 12/Cu Composites Produced by Selective Laser Sintering
(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 ... -
Dynamic / Thermochemical Method: A Novel Approach in The Synthesis of B4C Powder
(Elsevier, 2021)The synthesis of high quality B4C powders with high purity, uniaxial shape and homogeneous size distribution, has been hard to obtain. Current production methods take place at temperatures above 1800 C, yielding high ... -
Efciency Comparison of Conformal Cooling Channels Produced by Additive and Subtractive Manufacturing in Automotive İndustry Plastic İnjection Moulds: A Hybrid Application
(Springer, 2023)The stages of this study, in which conformal cooling channels (CCCs) integrated mould core produced by LPBF (laser powder bed fusion) and CCC integrated mould core produced by SM (subtractive manufacturing), are used in a ... -
Effect of Aging and Finish Machining on the Surface Integrity of Selective Laser Melted Maraging Steel
(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
(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 Building Platform Position on the Surface Quality, Dimensional Accuracy, and Geometrical Precision of Direct Metal Laser Sintering (DMLS) Parts
(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 ... -
The Effect of Conformal Cooling Channels on Welding Process in Parts Produced by Additive Manufacturing, Laser Powder Bed Fusion
(Elsevier, 2022)Given the excellent performance in making lighter, customizable, strong, and aesthetically attractive components at a reduced time and cost, additive manufacturing (AM) presents an unparalleled approach to extending and ... -
Effect of Drag Finish Post-processing on Surface Integrity and Wear Behavior of Ti-6Al-4V Fabricated by Laser Powder Bed Fusion Additive Manufacturing
(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
(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
(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, ... -
Effect of Leadership Styles of School Principals on Organizational Citizenship Behaviors
(Academic Journals, 2016)The aim of this research is to investigate the relationship between the leadership styles of principals and organizational citizenship behaviors of teachers according to teachers' perceptions. In this research, a relational ... -
The Effect of Retrogression and Re-Aging Treatment on Mechanical and Tribological Features of AA7075 Aluminium Alloy
(Wiley-VCH GmbH, 2019)In this study, T651-applied AA7075 alloy was subjected to retrogression and reaging (RRA) process. Various retrogression temperatures (180 °C, 280 °C, 370 ° C) and times (15 min, 30 min, 90 min) were used to determine the ... -
Effect of RRA Heat Treatment on Corrosion and Mechanical Properties of AA7075
(Wiley, 2019)In this study, a retrogression process (R) has been applied to AA7075 at 180, 240, and 370°C for 15, 30, 90, and 120 min. After the retrogression, reaging treatment (RA) was reapplied with T6 conditions (120°C for 24 ... -
Effect of Secondary Phases on 475°C Embrittlement of 1.4462 and 1.4501 Duplex Stainless Steels at Short-term Heat Treatment Conditions
(IOP Publishing Ltd, 2019)Duplex stainless steels (DSSs) are classified according to their chemical composition. Also, the formation of the secondary phases can be defined as a main problem of the DSSs. In this study, decomposition of chromium ... -
Effect of Waste Titanium Chips Addition Into the Aluminum Alloys on Their Microstructure
(Gazi Üniversitesi, 2021)In the present study, turning chips were preferred to add titanium into liquid aluminum. Although being easy to reach and cheap, the chips were thought to be effective in minor titanium addition with their large surface ... -
Effects of Copper Fillers on Mechanical and Electrical Properties of Selective Laser Sintered PA 12-Cu Composites
(Taylor & Francis Group, 2021)Selective Laser Sintering (SLS) is a widely used additive manufacturing (AM) technique for creating 3D geometries by adding materials in layers. Although neat polymer is mainly used in powder forms for production, organic ...
