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Browsing Makine Mühendisliği / Mechanical Engineering by Subject "Physics"

Now showing items 1-20 of 41

A method to predict effective case depth in ion nitrided steels

Genel, Kenan (ELSEVIER SCIENCE SA, 2005)

Ion nitriding is one of the most promising thermochemical surface treatments to improve surface properties such as wear and corrosion resistance and fatigue strength. The prediction of effective case depth before nitriding ...
An Optimization Study of a Hydraulic Gear Pump Cover with Finite Element Method

Özsoy, Murat; C. Kurnaz (POLISH ACAD SCIENCES INST PHYSICS, 2017)

In this study, an optimization analysis of the hydraulic gear pump cover with design of experiments and response surface method has been conducted. The sample of the solid cover of a hydraulic pump has been parametrically ...
Application of Predictive Maintenance System in Drinking Water Pumping Stations

Kılıç, Recep; Kozan, Recep; Karayel, Durmuş; Özkan, Sinan Serdar (POLISH ACAD SCIENCES INST PHYSICS, 2017)

Pumping stations are some of the most important facilities of water administration. Continuous operation of these facilities is of utter importance, to be able to serve at all times. Maintenance of these facilities is also ...
Ballistic Protection Evaluation of Sequencing the Composite Material Sandwich Panels for the Reliable Combination of Armor Layers

Yılmazçoban, İbrahim Kutay (POLISH ACAD SCIENCES INST PHYSICS, 2016)

Impact problems are usually interesting for the military, either for defensive or offensive purposes to develop armor or ammunition. Recently, daily applications request safety of the products, therefore, it is essential ...
Boriding kinetics of H13 steel

Genel, Kenan (PERGAMON-ELSEVIER SCIENCE LTD, 2006)

It is known that boriding has been employed to increase the service life of parts such as orifices; ingot molds, and dies for hot forming made of AISI H13 steel. In this study, case properties and kinetics of borided AISI ...
Boriding response of AISI W1 steel and use of artificial neural network for prediction of borided layer properties

Genel, Kenan; Özbek, İbrahim; Kurt, Ali Vasfi; Bindal, Cuma (ELSEVIER SCIENCE SA, 2002)

In the present study, boriding response of AISI W1 steel and prediction of boride layer properties were investigated by using artificial neural network (ANN). Boronizing heat treatment was carried out in a solid medium ...
Comparison between Real Time PID and 2-DOF PID Controller for 6-DOF Robot Arm

Adar, Nurettin Gökhan; Kozan, Recep (POLISH ACAD SCIENCES INST PHYSICS, 2016)

Robotics and its applications have become increasingly important in the field of manufacturing industry. Robot manipulators are effectively used for this purpose. Control of manipulators is very important, however, highly ...
Comparison of Mechanical Behaviour of Carbon and Glass Fiber Reinforced Epoxy Composites

Özsoy, Neslihan; Mimaroğlu, Abdullah; Özsoy, Murat; Özsoy, Mehmet İskender (POLISH ACAD SCIENCES INST PHYSICS, 2015)

An experimental study has been carried out to investigate tensile and bending properties of carbon fiber (CFRE) and glass fiber-reinforced (GFRE) epoxy composites. Three different fiber orientations were applied, 0 degrees, ...
Comparison of Mechanical Properties of Unidirectional and Woven Carbon, Glass and Aramid Fiber Reinforced Epoxy Composites

Ekşi, Seçil; Genel, Kenan (POLISH ACAD SCIENCES INST PHYSICS, 2017)

In this study, mechanical behavior of epoxy composite reinforced by unidirectional and woven fiber is investigated experimentally. In the preparation of composite samples woven shaped glass, aramid and carbon fibers and ...
Comparison of thermal stresses developed in Al2O3-SG, ZrO2-(12% Si+Al) and ZrO2-SG thermal barrier coating systems with NiAl, NiCrAlY and NiCoCrAlY interlayer materials subjected to thermal loading

Taymaz, İmdat; Mimaroğlu, Abdullah; Avcı, Eşref; Uçar, Vahdet; Gür, Mesut (ELSEVIER SCIENCE SA, 1999)

In this investigation, thermal and structural finite element analysis has been employed to analyse the level of stresses developed in Al2O3-spherical cast iron (SG), ZrO2-(12% Si + Al) and ZrO2-SG coatings subjected to ...
Computer Aided Structral Analysis of a Tie Rod End

Özsoy, Murat; M. K. Pehlivan (POLISH ACAD SCIENCES INST PHYSICS, 2015)

The tie rod end is one of the most elementary parts of a steering mechanism, which has direct and crucial importance in terms of driving safety. The main function of this part is to transfer the routing, coming from the ...
Critical evaluation of CFD codes for interfacial simulation of bubble-train flow in a narrow channel

Soyhan, Hakan Serhad (JOHN WILEY & SONS LTD, 2007)

Computational fluid dynamics (CFD) codes that are able to describe in detail the dynamic evolution of the deformable interface in gas-liquid or liquid-liquid flows may be a valuable tool to explore the potential of multi-fluid ...
Dependence of Fracture Toughness on Rolling Direction in Aluminium 7075 Alloys

İriç, Sedat; Ayhan, Ali Osman (POLISH ACAD SCIENCES INST PHYSICS, 2017)

Being a light metallic engineering material with low density, high specific stiffness and strength, aluminium alloys are promising materials in the fields of aerospace, military and automotive industries. Consumption of ...
Design, testing and two-dimensional flow modeling of a multiple-disk fan

Engin, Tahsin; Özdemir, Mustafa; Çeşmeci, Şevki (ELSEVIER SCIENCE INC, 2009)

A multiple-disk Tesla type fan has been designed, tested and analyzed two-dimensionally using the conservation of angular momentum principle. Experimental results showed that such multiple-disk fans exhibited exceptionally ...
Determination of the Fatigue Behavior of a Wheel Rim Using Finite Element Analysis

E. Esener; S. Ercan; Fırat, Mehmet (POLISH ACAD SCIENCES INST PHYSICS, 2017)

Automobile wheel rims are critical elements that work under fatigue loading. For this reason, it is very important to determine fatigue damage of the wheel rims. Today, finite element analysis is used to make accurate ...
Determining Springback Behavior of High-Strength Steels via Channel Forming Process

E. Esener; E. Sonmez; Özsoy, Murat; Fırat, Mehmet (POLISH ACAD SCIENCES INST PHYSICS, 2017)

The increasing use of high-strength steels in sheet metal automotive parts usually brings about the springback problems that can not be easily solved, compared to stamping the parts of conventional steel grades. Prediction ...
Effect of anodic oxidation on fatigue performance of 7075-T6 alloy

Genel, Kenan (ELSEVIER SCIENCE SA, 2008)

Effect of anodic oxidation on fatigue performance of 7075-T6 alloy for pre-corroded and non-corroded specimens has been investigated by conducting a series of rotary bending fatigue tests at 95 Hz. The anodized specimens ...
Effects of Pre-Forming Process and PVC Foam Reinforcement on the Deformation Behavior of Aluminum Tube under Axial Loading

Ekşi, Seçil; A. O. Kaptiand; Genel, Kenan (POLISH ACAD SCIENCES INST PHYSICS, 2017)

In this study, the effects of pre-forming and foam reinforcement on the axial compression behavior of circular thin-walled aluminum tubes were experimentally investigated. Compression tests were performed in a computer ...
Effects of tip clearance and impeller geometry on the performance of semi-open ceramic centrifugal fan impellers at elevated temperatures

Engin, Tahsin; Gür, Mesut (ELSEVIER SCIENCE INC, 2006)

Centrifugal fans are being widely used in many industrial applications. However, when handling gases with temperatures exceeding 800 degrees C, the use of centrifugal fan impellers are of particular interest since the ...
Estimation method for the fatigue limit of case hardened steels

Genel, Kenan (ELSEVIER SCIENCE SA, 2005)

It is well known that estimation of fatigue limit and optimum effective case depth are an important area of interest to the design engineer. In this study, simple expressions for the case hardened steels have been proposed ...