Browsing Merkezler / Centers by Title
Now showing items 30-49 of 133
-
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 ... -
Effects of Hot Isostatic Pressing and Heat Treatments on Structural and Corrosion Properties of Direct Metal Laser Sintered Parts
(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) ... -
Effects of Nb on Borosiliciding of CoCrFeNiNbx High-Entropy Alloy
(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 ... -
Effects of Retrogression and Reaging Heat Treatment on the Microstructure, Exfoliation Corrosion, Electrical Conductivity, and Mechanical Properties of AA7050
(Wiley, 2019)The effects of different retrogression times and temperatures on the microstructure, electrical conductivity, exfoliation corrosion (EXCO), and hardness of the 7050 aluminium alloy were compared with the T6 and ... -
Effects of RRA Heat Treatment on the Exfoliation Corrosion (EXCO), Intergranular Corrosion (IGC), and Electrical Conductivity of AA7075 Alloy
(Wiley, 2019)The corrosion sensitivity of the AA7075 alloy is related to the distribution, size, continuous, or discontinuous network structure and electrochemical behavior of the grain boundary precipitates. In addition, changes in ... -
Efficiency Research of Conformal Channel Geometries Produced by Additive Manufacturing in Plastic Injection Mold Cores (Inserts) Used in Automotive Industry
(Mary Ann Liebert, Inc., 2022)In the production of geometries that traditional methods cannot produce, it is seen that additive manufacturing (AM) technology, which has come to the fore, has been used extensively in conformal cooling channel ... -
Eklemeli Üretim Teknolojileri Üzerine Bir Derleme
(Niğde Ömer Halisdemir Üniversitesi, 2020)Eklemeli üretim, bir 3B CAD modelinin, malzemenin tabakalar halinde birleştirilerek fiziksel bir parçaya dönüştürüldüğü üretim işlemidir. Eklemeli üretim son yıllarda oldukça önem kazanmış ve gelecekte daha çok hayatımızda ...
