Makina Mühendisliği Bölümü: Güncel gönderi
Toplam kayıt 208, listelenen: 41-60
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Determining the Effects of Transformation Induced Plasticity and Creep Plasticity on the Functional Fatigue Life of NiTiHf High Temperature Shape Memory Alloys
(Fen Bilimleri Enstitüsü, 2023)With their high work output during thermal cycling under load, NiTiHf high temperature shape memory alloys became promising candidates for smart actuator design for aerospace industry. However, high temperature applications ... -
Design, Fabrication and Control of A Novel Shape Memory Alloy (SMA)-Wire-Based Flexible Composite Actuator
(Fen Bilimleri Enstitüsü, 2023)Soft actuators are frequently seen in many design areas. They can adapt to the desired motion and do not harm the material they touch. These features give many ideas to designers. In this thesis, such a soft composite ... -
Investigation of Advanced Current Characteristics on Expulsion Formation and Characteristics of Resistance Spot Welded Advanced High Strength Steels
(Fen Bilimleri Enstitüsü, 2023)In this thesis, the experiments with HSLA600 which is widely used in industry will be investigated. Single, double and triple pulse welding will be applied to the materials to obtain the biggest, homogenous nugget geometry ... -
Electrospinning of Super Tough Nylon 6,6 Fibers and Their Use in Layered Composites
(Fen Bilimleri Enstitüsü, 2023)Despite their obvious advantages in applications that require a high strength-to-weight ratio, delamination problems in layered composite structures continue to be a major drawback. Interleaving the layers with films or ... -
Adjustment of the Thermal Expansion Coefficient of 3D Printed Composite Tools for Composite Overwrapped Pressure Vessels
(Fen Bilimleri Enstitüsü, 2023)A thermal mismatch problem between a curable composite and the tool material can negatively impact the cured product's geometrical precision and structural integrity, leading to insufficient quality or, even worse, reduced ... -
Resıstance Spot Weldıng Of Ultra Hıgh Strength Steel Sheets Wıth Alumınum Materıals
(Fen Bilimleri Enstitüsü, 2023-01-24)This thesis aims to examine the joining of steel sheets with a yield strength of up to 1500MPa and aluminum materials by using resistance spot welding (RSW). Effect of electrode geometry and its combinations on the quality ... -
Hydrodynamic Optimization of the Submarine with a Fully Parametric CAD Model
(Fen Bilimleri Enstitüsü, 2023-02)This study was conducted to compare the performance of four different optimization studies that can be done to reduce the drag force that a submarine is exposed to in fully submerged conditions. The submarine used in the ... -
Effect of Hot Extrusion, Annealing and Warm Rolling on the Functional Fatigue Behaviors of Nitihf High Temperature Shape Memory Alloys
(Fen Bilimleri Enstitüsü, 2023)High temperature shape memory alloys (HTSMAs) have a wide range of application in aerospace, automotive and petroleum industries as high temperature actuators. NiTiHf HTSMAs are the most potential alloys compared to the ... -
Investigation of Bending Characteristic of 5XXX – Series Aluminum Alloys
(Fen Bilimleri Enstitüsü, 2023)In this study, strains and fraction formation which occur in the parts was examined by creating a bending simulation in the MSC.Marc finite element analysis program for En AW-5083-H321 series of aluminium which are more ... -
Design and Testıng of A Novel Intervention Configuration For the Lane Keepıng System For Vehıcles
(Fen Bilimleri Enstitüsü, 2023-01-30)This study presents a novel intervention configuration for lane keeping assistance system. The goal of the new configuration is to increase the robustness of the lateral control of the vehicle by utilizing the force potential ... -
Broadband and High Frequency Piezoelectric Energy Harvesting System With Curved Panels For Passive Vibration Isolator
(Fen Bilimleri Enstitüsü, 2023-02-01)In military aircrafts, random vibration occurs with high amplitude in broad frequency spectrum. High vibration profiles, which affecting electronic units, can cause fatigue over time and damage mechanics and electronic ... -
Dynamic Characterisation of Human Neck For Impact Applications
(Fen Bilimleri Enstitüsü, 2023)The neck is the part of the spine and has highest risk of injury in traffic accidents. Neck trauma can occur in several types of collisions, but rear-end collisions have the highest risk of trauma. Human neck models are ... -
Investigation of Ballistic Performance of Ceramic Armors With Tests and Analysis Which Contains Multilayer Ceramic Tiles
(Fen Bilimleri Enstitüsü, 2023)Ceramic armors have been developed to provide high ballistic protection with low density. Ceramic armors consist of three basic components, these are: the ceramic tile, the ductile backing plate, and the adhesive to bond ... -
Robust Autolanding System Design for a Combat Aircraft on the Ground
(Fen Bilimleri Enstitüsü, 2023-02-01)Within the scope of this thesis, a 6-degree-of-freedom model of a combat aircraft is created. Apart from the flight dynamics, landing gear dynamics on the ground are also modeled. After that, a robust autolanding system ... -
Analysis and Modeling of A Naturally Fragmenting Warhead
(Fen Bilimleri Enstitüsü, 2023)A naturally fragmenting 81mm mortar round's effectiveness was investigated. During this investigation sustainable new methods were tried. The fragmentation of the round by explosives were examined by tests, modelled ... -
Experimental Modelling of Resistance Spot Welding of Advanced High Strength Steels
(Fen Bilimleri Enstitüsü, 2023)The use of advanced high strength steels (AHSS) is becoming more dominant in the automotive industry due to the excellent balance of strength and lightness of these steels. Although the use of AHSS metals is increasing, ... -
Investigation of Micro-Scale Stress Distributions and Concentrations In Hybrid Fiber-Reinforced Composites
(Fen Bilimleri Enstitüsü, 2023-01)Hybrid composite materials are a specialized version of composite materials that constitute at least two different fiber materials. Hybrid composites are promising materials for various engineering applications. These ... -
Kinematic Design and Analysis of Munition Ejector Release Unit
(Fen Bilimleri Enstitüsü, 2023)In this study; design, analysis and optimizations will be done to open the hanger handles at fixed intervals on the ammunition attached to a release mechanism. The hook arms are held by the mechanism and release the hook ... -
Impeller Burst Analysis and Validation
(Fen Bilimleri Enstitüsü, 2022-12-15)The rotating parts in gas turbines are expected to operate safely under different loads, such as high centrifugation, temperature, and pressure. Due to the high centrifugal forces generated at high rotational speeds, ... -
Determining Critical Notch Size in Missile Launch Tube Front Cover for Separation in Specified Direction
(Fen Bilimleri Enstitüsü, 2023-04)Under a specific loading condition, the canister front cover must fracture in a predetermined direction upon impact from the missile radome. To prevent the broken pieces from come into contact with on the missile body, ...
