Browsing İmalat Mühendisliği Bölümü by Issue Date
Now showing items 21-40 of 45
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Characterization of mechanically alloyed Fe based and MoNiAl+Al2O3 reinforced composites
(https://www.degruyter.com, 2021)Fe-MoNiAl-Al2O3 powders were mechanically alloyed by a SPEX type attritor. The Fe based composite samples were reinforced with complex mechanically alloyed Fe-MoNiAl-Al2O3 particles in different ratios and Fe matrix ... -
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. ... -
Effect of rotary friction welding on mechanical properties of 6060 Al alloy
(https://revistademetalurgia.revistas.csic.es, 2021)6xxx series of aluminum alloys are prone to cracking when fusion welded without a proper filler metal. Alternatively, these alloys can be welded by rotary friction welding, a solid-state welding process, without using ... -
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 ... -
Analysis of different combustion chamber geometries using hydrogen / diesel fuel in a diesel engine
(Taylor Francis, 2021)In this study, the effects on combustion characteristics and emission were investigated in a direct injection diesel engine. In experimental and numerical studies, the engine was operated at 2000 rpm. The analyzes were ... -
Energy and exergy analysis of a ground source heat pump system with a slinky ground heat exchanger supported by nanofluid
(Springer Nature, 2022)This work contains the experimental analysis results in real environment conditions of the use of Al2O3 -based nanofluid (NF) at different concentration ratios (0.1% and 0.2%) in a ground source heat pump (GSHP) system ... -
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 ... -
Experimental Investigation of the Effect of a Semi-Circular Spiral Protrusion on the Turbulent Flow Past a Cylinder
(2022)The effect of semi-circular spirals on a circular cylinder surface to flow structure was experimentally investigated by the particle imaging velocity measurement (PIV) method. Based on the PIV channel, the main body cylinder ... -
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, ... -
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 ... -
Effect of piston geometry on combustion characteristics of CI engine used Sal seed oil
(2023)The effect of piston bowl geometry on reducing soot emissions, improving combustion, and in-cylinder flow movements in a direct injection diesel engine was investigated. Standard combustion chamber (SCC) and newly modified ... -
An experimental investigation of new chamber geometry on the combustion characteristics, performance and emissions in a light-duty diesel engine
(ELSEVİER, 2023)Piston bowl geometry directly affects many parameters such as combustion, flow, turbulence, and mixture formation in-cylinder. This causes a change in engine performance, combustion characteristics and exhaust emissions. ... -
Analysis of an innovative combustion chamber with the wall guided fuel injection in a small diesel engine
(2023)This paper has included the effects of different bowl geometries which has the wall guided fuel injection. Bowl geometries, which affect in-cylinder air flows, have a great influence on the change of mixture formation. ... -
Effect of Austempering Treatment on Metallurgical Structure of Ce Inoculated X210Cr12 Cold Work Tool Steel
(http://www.degruyter.com, 21 Februar)The effect of austempering treatment on metallurgical structure of X210Cr12 cold work tool steel inoculated with Ce was researched. Microstructural changes, elemental characterizations, and phase formations of the samples ... -
A Numerical Investigation of Heat Transfer from Heated Surfaces of Different Shapes
(26.06.2021)The object of this study was cooling of inverted and plain triangular profile copper surfaces at a constant heat flux of 1000 W/m2. The cooling of these triangular profile surfaces placed at the bottom of a rectangular ... -
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 ... -
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 ... -
Effect of Ni on microstructure and wear behaviour of 13Cr-W-Mo-2C white cast iron
(CONSEJO SUPERIOR INVESTIGACIONES CIENTIFICAS-CSICEditorial CSIC, C/VITRUVIO 8, 28006 MADRID, SPAIN, 30 June 20)The effect of Ni concentration on the microstructure and wear performance of 13Cr-(0.5-7.0) Ni-W-Mo-Mn-2C white cast iron subjected to homogenization heat treatment was examined. Concentration of Ni was altered in the range ... -
Weldability and mechanical behavior of CMT welded AISI 430 and HARDOX 500 steels
(WALTER DE GRUYTER GMBHGENTHINER STRASSE 13, D-10785 BERLIN, GERMANY, 31 August )In this study, AISI 430 and HARDOX 500 steels were joined by cold metal transfer (CMT) welding method. The properties and microstructural changes of the welding and HAZ regions were investigated by OM and SEM analyses. ... -
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 ...