Browsing Makina Mühendisliği Bölümü by Issue Date
Now showing items 1-20 of 203
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Mixed-Mode Fracture Analysis Of Orthotropic Functionally Graded Materials Under Mechanical And Thermal Loads
(Pergamon-Elsevier Science Ltd, 2007)Mixed-mode fracture problems of orthotropic functionally graded materials (FGMs) are examined under mechanical and thermal loading conditions. In the case of mechanical loading, an embedded crack in an orthotropic FGM layer ... -
Buckling of an Orthotropic Graded Coating with An Embedded Crack Bonded to a Homogeneous Substrate
(Pergamon-Elsevier Science Ltd, 2009)To simulate buckling of nonuniform coatings, we consider the problem of an embedded crack in a graded orthotropic coating bonded to a homogeneous substrate subjected to a compressive loading. The coating is graded in the ... -
Sliding Frictional Contact Between a Rigid Punch and a Laterally Graded Elastic Medium
(Pergamon-Elsevier Science Ltd, 2009)Analytical and computational methods are developed for contact mechanics analysis of functionally graded materials (FGMs) that possess elastic gradation in the lateral direction. In the analytical formulation, the problem ... -
Computation Of Thermal Fracture Parameters For Orthotropic Functionally Graded Materials Using J(K)-Integral
(Pergamon-Elsevier Science Ltd, 2010)This article introduces a computational method based on the J(k)-integral for mixed-mode fracture analysis of orthotropic functionally graded materials (FGMs) that are subjected to thermal stresses. The generalized definition ... -
Periodic Crack Problem for a Functionally Graded Half-Plane an Analytic Solution
(Pergamon-Elsevier Science Ltd, 2011)The plane elasticity problem of a functionally graded semi-infinite plane, containing periodic imbedded or edge cracks perpendicular to the free surface is considered. Cracks are subjected to mode one mechanical or thermal ... -
Isı Üretimi Olan Sürtünmeli Temasların Sıcaklık Bağımlı Özellikler Kullanılarak Analizi
(Fen Bilimleri Enstitüsü, 2012)The aim of this study is to analyze the frictional contacts with heat generation considering temperature dependent thermoelastic material properties. Frictional contacts take place in almost all the applications of the ... -
Hu-Go Hafif Aracının Şasisinin Sonlu Elemanlar Metodu ile Mukavemet ve Modal Analizi
(Fen Bilimleri Enstitüsü, 2012)Loads are occured on the vehicles by the road conditions, their velocities, the curve that they take etc. These loads cause to create stresses on the vehicle chassis. Because of these stresses some problems can occur on ... -
Enhancement of the Low Temperature Deformation Ability of Magnesium Alloys
(Fen Bilimleri Enstitüsü, 2012)In general, magnesium alloys exhibit the attractive combinations of low densities (1.74 g/cm3 versus 2.7 g/cm3 for Al) and high specific strength values (comparable or greater than that of precipitation strengthened ... -
32Crmov Çeliğinin Aşınma Direncini Arttırmak İçin Yeni Bir Isıl İşlem Metodunun Geliştirilmesi
(Fen Bilimleri Enstitüsü, 2012)In the boriding process, steel materials are kept in the boron-rich media during a certain period of time at a given temperature in order to form very hard second phaseses such as FeB and Fe2B (1500HV-2000HV [1]) on the ... -
Malzeme Özellikleri Sıcaklığa Bağımlı Olan Izotropik Fonksiyonel Derecelendirilmiş Malzemelerde Bulunan Eğik Çatlakların Gerilme Şiddet Çarpanları Jk-İntegral Yöntemi ile Hesaplanması
(Fen Bilimleri Enstitüsü, 2012)The main aim of this study is to utilize a Jk-integral for the analysis of inclined cracks located in functionally graded materials (FGMs). The crack is subjected to mixed mode thermal loading. The generalized definition ... -
Adult Education in Turkey: In Terms Of Lifelong Learning
(Elsevier Science Bv, 2012)Information, access to information and communication technologies leading to rapid and profound changes in economic and social life makes the lifelong learning a must for everyone and mostly adults. In Turkey, adult ... -
Esnek Mekanizmaların Sonlu Elemanlar Yöntemi ile İncelenmesi
(Fen Bilimleri Enstitüsü, 2013)In this study, the finite element analysis of compliant mechanisms were performed. The length of the links were established through the pseudo-rigid-body method. For each analysis, the reaction forces and moments, ... -
Elastomerlerin Sayısal Yöntemlerle Analizi ve Şekilsel Döküm Yöntemi ile Darbelere Dayanıklı Robot Geliştirilmesi
(Fen Bilimleri Enstitüsü, 2013)The robotic and its evolution in recent years is one of the most transformative inventions of man. Over years innovations have made robots faster, more intelligent and smart. Modern robots utilize increasing numbers of ... -
Design of a Slip Observer and Road Adhesion Coefficient Estimator for Road Vehicles
(Fen Bilimleri Enstitüsü, 2013)Control systems that help the driver avoid accidents, or limit the damage in case of an accident, have become ubiquitous in modern passenger cars. For example, new cars typically have an anti-lock braking system (ABS), ... -
Endüstriyel Çizgi Takip Eden Robot Cihazı Geliştirilmesi
(Fen Bilimleri Enstitüsü, 2013)Today, line-following robots are being used in the industrial field in accordance with the emerging technology. For a while, line-following robots have begun conducting the transport operations generally carried out by ... -
Mikro-Fiber Yapılar Kullanan Tırmanan Robotun Tasarımı, Optimizasyonu ve Üretimi
(Fen Bilimleri Enstitüsü, 2013)This work is prepared with the support of TÜBİTAK Project named “Designing and Manufacturing of Energy Efficient Various-Surface Climbing Robots Utilizing Micro-Fibers for Surveillance, Inspection, and Security Purposes” ... -
Tırmanan Robotlar İçin Fiber Modellemesi ve Karakterizasyonu
(Fen Bilimleri Enstitüsü, 2013)The neccesity to climbing robots is triggered by many problems. High risk involved works which are carried out by humans require high cost and risk of human’s life. For example building climbing stages and similar ... -
Yağ Asitleriyle İşlevselleştirilmiş Böhmit ve Alümina Parçacıkların Alkit Reçinelerin Çizilme Direnci Üzerine Etkisi
(Fen Bilimleri Enstitüsü, 2013)Demand on scratch resistant coatings in automotive, construction, food and other similar sectors is rising. The paints used in automotive industry can be scratched with small forces. This is a factor that decreases the ... -
Gözenekli Niti Alaşımların Üretimi ve Karakterizasyonu
(Fen Bilimleri Enstitüsü, 2013)Ni50.6Ti49.4 specimens with %36, %55 and %60 porosity were produced by using space holder and conventional sintering method. Pure magnesium was used as a space holder and specimens were sintered at 1100C for 1 hour and ...
