Browsing İmalat Mühendisliği Bölümü Makale Koleksiyonu by Title
Now showing items 28-47 of 53
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Grafen Oksit (GO)-Su Nanoakışkanlı ve Kanatçıklı Birleşik Jet Akışlı Kanallarda Isı Transferinin Araştırılması
(2023)Bu çalışmada, birleşik jet akışıyla kanatçıksız ve farklı kanatçık mesafeli (N = D ve 2D) ve 60o açılı kanal-larda su ve %0.02 hacimsel konsantrasyonlu GO (Grafen Oksit)-Su nanoakışkanı kullanılmasıyla yamuk ve taç desenli ... -
Heat affected zone and weld metal analysis of HARDOX 450 and ferritic stainless steel double sided TIG-joints
(https://www.degruyter.com, 2021)In this study, AISI 430 and HARDOX 450 grade steel are joined using a double-sided tungsten inert gas welding process. The microstructural properties of weld metal and HAZ were evaluated by optical microscopy, energy ... -
Improvement of metallurgical properties of A356 aluminium alloy by AlCrFeSrTiBSi master alloy
(WALTER DE GRUYTER GMBHGENTHINER STRASSE 13, D-10785 BERLIN, GERMANY, 3 February)A new AlCrFeSrTiBSi master alloy was manufactured by in situ synthesis in Al melt, and compared with AlBSr master alloy. Microstructures of A356 alloy modified with AlCrFeSrTiBSi master alloy were investigated, and the ... -
Investigation of Graphene Oxide-Distilled Water Nanofluids with Consideration of Heat Transfer and Flow Structure for Backward-Facing Step Flow
(15.04.2021)The backward-facing step flow is seen in applications in our daily life: the high attack angle at airfoil, the separation flow behind a vehicle, the flow in a gas turbine, and the flow around a boat or building. In view ... -
Investigation of heat transfer and flow properties in separated flow and reattachment regions for liquid sodium flow at fast reactors
(15.04.2021)In many engineering applications, such as heating and cooling systems, flow around an automobile or building, separation and reattachment regions are formed. These regions are very important for controlling the amount of ... -
Investigation of Surface Properties and FeB-Fe2B Layer Formation in Pack Boronizing of Cementation Steel
(World Scientific Publishing Co. Pte. Ltd., 01 Septemb)In this study, cementation steel was boronized at 1050∘C for 6h, 8h, and 10h. Microstructural change on the surface of the samples after boronization was detected by optical microscope (OM), scanning electron microscope ... -
Joint performance of medium carbon steelaustenitic stainless steel double-sided TIG welds
(WALTER DE GRUYTER GMBHGENTHINER STRASSE 13, D-10785 BERLIN, GERMANY, 3 February)AISI 1040 and AISI 304 steel plates of 10 mm were joined without pretreatment by double-sided TIG arc welding (DSAW). Joints were manufactured by using welding currents of 420, 440, and 460 A. The microstructural variations ... -
Long term endurance analysis of the effects on ring wear and lubrication oil of biofuel used in a DI diesel engine
(2023)In this study, the long-term endurance tests were carried out in an engine that was used 100% diesel and 90% diesel 210% bioethanol blend. The lubricating oil and ring wear were investigated in the direct injection diesel ... -
Mechanical Performance and Weldability of HARDOX 450/AISI 430 Grade Joined by TIG Double Sided Arc Welding
(http://www.degruyter.com, 04 Novembe)AISI 430 and HARDOX 450 grades were combined using tungsten inert gas double-sided welding process. Microstructural changes were evaluated with scanning electron microscope, energy dispersive spectrometry, electron back ... -
Metallographic Study and Wear Behavior of Cu Based FeTi Reinforced Composites
(World Scientific Publishing Co. Pte. Ltd., 31 January)Cu-based FeTi-reinforced metal matrix composites (MMCs) were produced with FeTi reinforcement additions of 6, 9, 12, 15 and 18wt.% by powder metallurgy. Microstructural characterization of Cu-based FeTi-reinforced composites ... -
Metallurgical and Mechanical Characteristics of Friction Welded Joint of 27 wt.%CrWCI/AISI 1040 Steel
(www.springer.com, 2021)In this study, metallurgical properties of AISI 1040 steel and high-chromium white cast iron joined using friction welding process was investigated experimentally. Scanning electron microscopy, optical microscopy, ... -
Metallurgical Properties of Borid Layers Formed in Pack Boronized Cementation Steel
(http://www.degruyter.com, 06 Septemb)In the present study, cementation steel was exposed to boronizing process at 950 °C for 6, 8, and 10 h. Microstructural changes on the surface of the samples after boron operation were inspected by optical microscope, ... -
Microstructure and Fatique Performance of Cu Based M7C3 Reinforced Composites
(http://www.degruyter.com, 09 March 2)Cu\Fe–Cr–C metal matrix composites (MMCs) were produced with a reinforcer addition of 6, 9, 12, 15, and 18 wt% Fe–Cr–C by powder metallurgy. The effects of sintering temperatures on Cu-based Fe–Cr–C-reinforced composites ... -
Microstructure and Mechanical Characteristics of AISI 304 / DUROSTAT 500 Steel Double-Side TIG Welds
(http://www.degruyter.com, 08 August )In this study, AISI 304 stainless steel and DUROSTAT 500 steel are combined using TIG double-sided arc welding. Microstructural differences of welded joints were researched by using a scanning electron microscope (SEM), ... -
Microstructure and Mechanical Characteristics of AISI 304 / DUROSTAT 500 Steel Double-Side TIG Welds
(http://www.degruyter.com, 05 August )In this study, AISI 304 stainless steel and DUROSTAT 500 steel are combined using TIG double-sided arc welding. Microstructural differences of welded joints were researched by using a scanning electron microscope (SEM), ... -
Microstructure and wear analysis of CoWC alloy layers deposited by PTA process
(EDP SCIENCES S A17, AVE DU HOGGAR, PA COURTABOEUF, BP 112, F-91944 LES ULIS CEDEX A, FRANCE, 12 April 2)CoWC composite coatings were produced on AISI 430 steel by the plasma transfer arc cladding. Three different powder mixtures containing WC (90%, 85% and 80%) and Co (10%, 15% and 20%) were used. Phase composition, ... -
Nanoakışkan Kullanılan Birleşik Jet Akışlı ve Kanatçıklı Kanallarda Isı Transferi ve Performans Değerlendirme Sayısının İncelenmesi
(2022)Bu çalışmada, birleşik jet akışlı kanallarda bulunan sabit ısı akılı küp ve dairesel oyuklu desenlerden olan ısı transferi su ve %0,02 hacimsel konsantrasyonlu GO (Grafen Oksit)-Su nanoakışkanı kullanılarak sayısal olarak ... -
Numerical Investigation of Corrugated Channel with Backward-Facing Step in Terms of Fluid Flow and Heat Transfer
(2022)In this study, the turbulent fluid flow and heat transfer through a backward-facing step connected by various triangles to a corrugated wall were numerically investigated. The governing equation was solved with Ansys Fluent, ... -
Numerical investigation of CPU cooling with micro-pin–fin heat sink in different shapes
(2022)The fact that today's computers transmit too much information at effective speeds causes high heat concentrations. These heat concentrations increase the temperature of the computer processor and cause it to deteriorate ... -
Numerical investigation of different combustion chamber on flow, combustion characteristics and exhaust emissions
(2023)This study includes numerical analysis of diesel engines with different bowl geometry. Numerical analyzes of the diesel engine with asymmetrical bowl geometry were performed in Ansys Forte software. In the study, four-stroke, ...