Browsing İmalat Mühendisliği Bölümü by Title
Now showing items 31-50 of 66
-
Fatigue Life and Stress Analysis of the Crankshaft of a Single Cylinder Diesel Engine under Variable Forces and Speeds
(De Gruyter, 2021)In this paper, a single cylinder crankshaft manufactured with C45 steel was used to investigate variation in stress, deformation, and fatigue life and safety factor at critical locations of the crankshaft. For this ... -
Friction welding of high Cr white cast iron to AISI 1030 steel with Ni interlayer
(https://www.degruyter.com, 2021)In this study, the effect of friction time on microstructure and weldability of AISI 1030 steel with nickel interlayer and high chromium white cast iron welded by the friction welding method were investigated experimentally. ... -
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 ... -
HEAT TRANSFER IMPROVEMENT IN MICROCHIP ELECTRONIC CIRCUIT ELEMENTS BY COMBINED JET EFFECT
(18.02.2022)Elektronik devre üzerinde ne kadar çok mikroçip bulunabilirse o cihaz teknolojik olarak o denli gelişmiş olur. Fakat, küçük hacimlerde bulunan mikroçiplerin gelişimine engel olan aşırı ısınmaları sonucu sıcaklıklarının ... -
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 HEAT TRANSFER IN COMBINED JET FLOW CHANNELS WITH DIFFERENT FIN ANGLES AND USING DIAMOND-WATER NANOFLUID
(01.06.2022)With traditional heat transfer methods, more energy is consumed and sufficient and desired heat transfer performance cannot be achieved. However, with the development of technology, the heating problem arises in high-performance ... -
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 ... -
INVESTIGATION OF THE COMBINED JET FLOW EFFECT ON FLOW AND HEAT TRANSFER APPLICATION IN THE CHANNEL
(19.03.2022)While advancement of technology makes the lives of consumers easier, it causes manufacturers to encounter some problems in order to develop longer-lasting and energy-efficient devices. The biggest problem in this matter ... -
INVESTIGATION OF THE EFFECT OF FiN ANGLE AT COOLING OF HOT PLATES OF IMPINGING JET-CROSS FLOW WITH GRAPHENE OXIDE-WATER NANOFLUID
(18.06.2022)The service life of modern, high-power, compact electronic components is affected by their heat dissipation capacity. It has become very important to cool the microchips, which are used in every stage of daily life and ... -
Investigation of the Effect of Length Change of Fin Placed in Cross Flow-Impinging Jet Flow Channels with Al2O3 -Water Nanofluid on Flow Structure and Heat Transfer
(07.01.2023)With the impact of global climate change being felt in recent years, efforts to transition to a green economy have started to gain momentum all over the world, especially in European countries. In this context, it is aimed ... -
INVESTIGATION OF THE VARIATION OF COOLING PERFORMANCE WITH THE CHANNEL HEIGHT IN A CHANNEL HAVING IMPINGING JET-CROSS FLOW
(24.11.2021)The cooling process by applying cross flow alone, which is one of the frequently used methods, may be insufficient for electronic circuit elements that reach high temperatures. Cooling with impinging jet, which is another ... -
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, ...