Başlık için Merkezler / Centers listeleme
Toplam kayıt 129, listelenen: 35-54
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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 ... -
Electrochemical Corrosion Behaviour of UNS S32205 Duplex Stainless Steel Dependent on Sigma Phase Precipitation
(De Gruyter, 2024)In this study, the microstructure and electrochemical corrosion behavior of the UNS S32205 alloy were investigated. Firstly, the phase diagram of the studied samples was determined by Thermo-Calc 2022 software, and the ... -
Enhancement of Cytotoxic and Apoptotic Activity Through Oolong Tea Extract-mediated CuO/Cu2O Nanoparticles
(Elsevier, 2024)The development of multifunctional nanoformulations with enhanced anticancer activity and drug delivery potential is of increasing scientific importance. In this study, we synthesized and characterized copper oxide ... -
Estimation of Surface Roughness in Selective Laser Sintering Using Computational Models
(Springer, 2022)This study presents a comprehensive experimental dataset and a novel classification model based on Deep Neural Networks to estimate surface roughness for additive manufacturing. Many problems exist due to the very complex ... -
Estimation of the Compression Strength and Surface Roughness of the As-Built SLS Components Using Weibull Distribution
(Yıldız Teknik Üniversitesi, 2021)Selective laser sintering (SLS) is a process of fabrication of three-dimensional structures by fusing powder particles using a guided laser source. The uncertainty in the mechanical properties of the SLS parts fabricated ... -
Evolution of Temperature and Residual Stress Behavior in Selective Laser Melting of 316L Stainless Steel Across a Cooling Channel
(Emerald Publishing Limited, 2022)Purpose – The current investigation aims at observing the influence of the cooling channel on the thermal and residual stress behavior of the selective laser melting (SLM)316L uni-layer thermo-mechanical model. Design/ ... -
Evrimsel Algoritmalar ve Uygulamaları
(FSM Vakıf Üniversitesi, 2017)Bu çalışmada, iki boyutlu yerleştirme probleminin gazetelerin seri ilanlar bölümüne uygulanması anlatılmaktadır. Gazetelerin seri ilan sayfaları birden fazla ilan içermektedir. Bu ilanların sayfa içerisine en az fire ile ...
