Başlık için Merkezler / Centers listeleme
Toplam kayıt 129, listelenen: 77-96
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Investigation of the Effects of Different Retrogression and Re-Aging Parameters Applied to the 7075 Alloy on the Micro-Arc Oxidation Process
(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 Microstructure and Mechanical Characteristics of Lattice Structures Produced by Laser Powder Bed Fusion Method
(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 Relationship Between Intergranular Corrosion and Retrogression and Reaging in the AA6063
(Wiley Online Library, 2019)AA6063 was heat treated with different retrogression temperatures and durations, and the effect of heat treatment conditions on the microstructure, hardness, electrical conductivity, intergranular corrosion (IGC) and ... -
Investigation of the Surface Quality and Dimensional Accuracy of Polymer Patterns Produced by Selective Laser Sintering (SLS) Method for Investment Casting (IC)
(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) ... -
Investigation of transformational and transactional leadership styles of school principals, and evaluation of them in terms of educational administration
(Academic Journals, 2015)The aim of this study is to investigate the transformational and transactional leadership styles of school principals, and to evaluate them in terms of educational administration. Descriptive survey model was used in the ... -
Investigation of Wear Behavior of PA 12 Matrix Ceramic Reinforced Composites Produced by Selective Laser Sintering Method
(Gazi University, 2024)In this study, ceramic-reinforced PA 12 matrix composites were fabricated by using Selective Laser Sintering (SLS) additive manufacturing method with different energy density values. Additionally, dry sliding wear tests ... -
İslam Öncesi ve Sonrası ile Ayasofya Camii Geometrik Desenlerinin Mukayeseli Analizi
(İstanbul Üniversitesi Yayınevi, 2024)Bu çalışmada Ayasofya Camii’nde yer alan geometrik desenlerin pergel-cetvel (çizgilik) konstrüksiyonu ile çizimine ve arkalarında yatan geometrik sistemlere odaklanılmıştır. Neredeyse tüm İslam coğrafyasında sayısız örnekle ... -
Metal Endüstrisi, Alüminyum ve Gelecek
(Mimart Yayıncılık, 2014)20. yüzyılda ham maddeler ve metallerle ilgili istatistiklerde değerlendirmeler genellikle tonaj esaslı olarak yapılırdı. İçinde bulunduğumuz yüzyılda (21. yy) ise küresel ekonomi nedeniyle değerlendirmelerde fiyatlar ve ... -
Microarc Oxidation of Pure Aluminium in Alumina Containing Electrolytes
(Taylor & Francis Ltd, 2020)In this study, oxide coatings produced on commercially pure Al via 40-min microarc oxidation process in electrolytes containing Na2SiO3, KOH and α-Al2O3 powder were characterized by SEM-EDS, profilometry, XRD and ... -
Microstructural, Hardness, and Wear Properties of Mg2Si-reinforced Al Matrix in-situ Composites Produced by Low Superheat Casting
(Elsevier, 2024)In this study, Mg2Si-reinforced A356 and A413 aluminum matrix composites were fabricated by low superheat casting using AM50 magnesium alloy as a source for the in-situ formation of Mg2Si particles. AM50 was added to each ... -
Microstructure and Wear Characteristics of Hybrid Reinforced (ex-situ SiC–in-situ Mg2Si) Al Matrix Composites Produced by Vacuum Infiltration Method
(Elsevier, 2023)Hybrid composite materials combine the advantages of two or more reinforcement materials and may contain unique physical, mechanical and tribological properties that cannot be achieved with any other materials. In ... -
Microstructure Evolution and Surface Quality of Laser-Sintered Maraging Steel Parts Produced on Different Building Platform Positions
(Elsevier, 2020)This study reveals the effects of building platform position on the surface quality and microstructure of maraging steel parts fabricated by Direct Metal Laser Sintering (DMLS). Six identical parts were produced with the ... -
Mimari Planlamada, Günışığı Etkinliğinin Arttırılması İçin Kurgusal Tasarım Destek Modeli
(Mimar Sinan Güzel Sanatlar Üniversitesi, 2020)Mimaride günışığı etkinliği mekânsal kaliteyi arttıran ve insanın doğa ile bütünleşmesini sağlayan önemli bir mekânsal tasarım girdisidir. Sürdürülebilirlik kavramı ile birlikte mekânsal konfor şartlarının daha fazla ... -
Nanocomposites and Nanohybrids in Additive Manufacturing
(De Gruyter, 2023)Additive manufacturing (AM) has undergone significant technological development since its emergence in the 1970s. This development is expected to continue and take an important place in the manufacturing sector. Developing ... -
A New Natural Secondary Reference Material for Garnet U-Pb Dating by TIMS and LA-ICP-MS
(Thomas C. Meisel, 2023)Gem quality andradite-rich garnet (IUC-1), obtained from the Miocene trachyte dome near Ankara city (Turkey), has been identified as a potential natural secondary reference material for U-Pb dating. In this study, U-Pb ... -
A Novel 3D Printed Air-Cooled Fuel Cooler Heat Exchanger for Aviation Industry
(Taylor & Francis Ltd., 2022)Unmanned aerial vehicles are expected to complete their missions even in adverse weather conditions. Overheating in the engine area may occur, particularly at high speeds due to using the full engine throttle. Another ... -
The Novel Hybrid Lattice Structure Approach Fabricated by Laser Powder Bed Fusion and Mechanical Properties Comparison
(Mary Ann Liebert, 2022)Aluminum-based cellular structures are gaining a huge traction in several applications, including lightweight aircraft, military equipment, and heat exchangers. With additive manufacturing, the fabrication of complex periodic ... -
A Novel Synchronous Scanning Strategy in Laser Powder Bed Fusion and Effect on Mechanical Properties of Industrial Gears
(Springer, 2023)The effect of LPBF process parameter change on production results has been the subject of many studies. In this study, innovative synchronous scanning strategy in LPBF production system and the effect of this scanning ... -
Numerical Investigation of Heat Current Study Across Different Platforms in SLM Processed Multi-Layer AlSi10Mg
(Elsevier, 2018)Selective Laser Melting (SLM) of three dimensional multi-layer model is being numerically investigated using finite element method with academic ANSYS software. The temperature distribution and melt pool formation with ... -
An Overview of the Quality Characteristics Challenges in Additive Manufacturing
(CRC Press Taylor & Francis Group, 2023)Recently, additive manufacturing (AM), commonly known as three-dimensional (3D) printing, has become an environmentally friendly technology that provides energy savings, less material consumption and efficient production. ...
