Güncel Gönderiler: Merkezler / Centers
Toplam kayıt 211, listelenen: 161-180
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Sonosynthesis and Characterization of Konjac Gum/Xanthan Gum Supported İronoxide Nanoparticles
(Elsevier, 2021)In this study, an optimizedmethodwas developed for the synthesis of biologicalmacromolecule blend supported iron oxide nanoparticles (IO NPs). The nanostructure was composed of binary polymer blends of konjac gum (KG) ... -
Reviving Ottoman Bird Palaces and Retro Approach with Additive Manufacting Method
(Elsevier, 2019)In recent years, three-dimensional printing technology has begun to be used as an alternative production technique as well as classical methods with technological developments. The Additive manufacturing (AM) production ... -
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 ... -
Classification of Main Faults in the Production Process of Extruded Aluminium Profiles
(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) ... -
Benefits of Laser Beam Based Additive Manufacturing in Die Droduction
(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 ... -
A Hybrid Feature Selection Approach Based on LSI for Classification of Urdu Text
(Springer, 2021)The feature selection method plays a crucial role in text classification to minimizing the dimensionality of the features and accelerating the learning process of the classifier. Text classification is the process of ... -
Investigation of Direct Metal Laser Sintering Downskin Parameters’ Sagging Effect on Microchannels
(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 ... -
The Vantage Point Bees Algorithm
(Institute of Electrical and Electronics Engineers (IEEE), 2015)In this paper, an implementation of vantage point local search procedure for the Bees Algorithm (BA) in combinatorial domains is presented. In its basic version, the BA employs a local search combined with random search ... -
Investigation of High Energy Single Pulse Effect on Micro Arc Oxidation (MAO) Process on Aluminium
(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 ... -
Influence of the Post-Processing Operations on Surface Integrity of Metal Components Produced by Laser Powder Bed Fusion Additive Manufacturing: a Review
(Taylor & Francis Group, 2021)As industries are increasingly adopting the laser powder bed fusion (LPBF) additive manufacturing (AM) process, it is crucial to understand the process closely and to find ways to improve the final quality of the finished ... -
A Study on the Effects of Different Heat-Treatment Parameters on Microstructure–Mechanical Properties and Corrosion Behavior of Maraging Steel Produced by Direct Metal Laser Sintering
(Wiley, 2020)Herein, direct aging (aged‐490 °C/6 h) and solution heat treatment and subsequent aging (SHT‐940 °C/2 h + 490 °C/6 h) heat treatments are applied to maraging steel (MS1) produced by direct metal laser sintering (DMLS) ... -
Pseudo‑Relevance Feedback Based Query Expansion Using Boosting Algorithm
(Springer, 2021)Retrieving relevant documents from a large set using the original query is a formidable challenge. A generic approach to improve the retrieval process is realized using pseudo-relevance feedback techniques. This technique ... -
Processing and Characterization of Hollow Glass-Filled Polyamide 12 Composites by Selective Laser Sintering Method
(Taylor & Francis Ltd, 2020)Selective Laser Sintering (SLS) is an accepted and improving technique for additive manufacturing in many different areas, from the applications of aerospace to automotive, consumer products to dental and medical materials. ... -
Parameters Optimization for Horizontally Built Circular Profiles: Numerical and Experimental Investigation
(Elsevier, 2018)Selective laser melting (SLM), a type of additive manufacturing (AM) process, is chosen for direct fabrication of powder-based functional metallic objects. The designing of small circular geometries or overhang surfaces ... -
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 ... -
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 ... -
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 ... -
The Impact of Aging and Drag-Finishing on The Surface Integrity and Corrosion Behavior of The Selective Laser Melted Maraging Steel Samples
(Wiley-VCH GmbH, 2021)The maraging steel components fabricated using the selective laser melting process exhibit remarkable static strength. However, high pore density and large surface imperfections impede their overall mechanical and chemical ... -
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 ... -
Support Optimization for Overhanging Parts in Direct Metal Laser Sintering
(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 ...
