Tugce Tezel

Akdeniz University · Department of Mechanical Engineering

Additive manufacturing (AM) has come to the fore in recent years among manufacturing techniques. This technique, which has different advantages than traditional ones such as casting, forging and machining, is expected to be widely used in producing machine parts like gears in the coming years. Therefore, experimental data on AM parameters for light...

The application of biomimetics in the development of unmanned aerial vehicles (UAVs) has facilitated the creation of micro and nano aerial vehicles. Ornithopters, a type of UAV, mimic the flapping-winged motion of birds. Due to their excellent load-carrying capacity and extended endurance, ornithopters have the potential to fulfill tasks assigned t...

The Fused Deposition Modeling (FDM) technique is a widely employed three-dimensional printing technology that constructs three-dimensional objects by melting and extruding thermoplastic filament layer by layer. This additive manufacturing technique finds popularity in various industries, including aerospace, automotive, and medical devices. With ap...

Additive manufacturing technologies have gained significant traction across various sectors, particularly in the automotive, medical, and aviation industries. The primary motive behind implementing this technology in food production lies in the desire to create foods with novel textures, consistencies, and flavors, coupled with improved nutritional...

Additive manufacturing creates the desired models by adding layers on top of each other. Features such as production flexibility, rapid prototyping, and ease of usage of this technique as compared to traditional techniques play important roles in its widespread industrial applications. However, additive manufacturing also has several shortcomings i...

Long before the dream of flying come true for humans, airspace was used by natural volatiles such as birds and insects. Their flight's natural ease and grace still inspire aircraft and the technology in their control systems. In other words, birds, in particular, have served as a natural model from the early days of aviation to today's airplanes. O...

Zero waste is a term widely used to describe the waste management philosophy and is seen in more and more places daily. According to this approach, the factors that cause waste are examined, and the waste materials are evaluated through recycling. When these wastes are examined, some of them are suitable for industrial use due to their nature. Bana...

The piston is a moving element in the cylinder that forms the lower part of the combustion chamber. During the movement of the piston, significant forces are produced due to the change of direction. The movement of the piston assembly causes a significant part of the friction inside the engine. For this reason, the development of pistons is among t...

Various problems, such as the difficulties experienced in machining in traditional manufacturing methods, the cost due to excessive chipping, and the complex geometries of the parts, have led to the search for alternative machining methods. The difficulties and limitations of traditional machining methods have led to more modern machining technique...

Additive manufacturing technology enables more complex designs to be produced by rapid prototyping compared to many production areas. It has powerful aspects, such as using fewer consumables in the production process and having fewer geometric limitations. In this study, thermoplastics were used as raw materials. Polylactic acid (PLA) was used. The...

The piston is a moving element in the cylinder that forms the lower part of the combustion chamber. During the movement of the piston, significant forces are produced due to the change of direction. The movement of the piston assembly causes a significant part of the friction inside the engine. For this reason, the development of pistons is among t...

A piston is one of the essential parts of internal combustion engines. The piston transmits the heat energy generated by combustion to the crankshaft via the connecting rod, and thus it is converted into rotational motion. Materials such as aluminum alloys, composite, or cast iron are used to produce pistons. Aluminum alloys are frequently used in...

Equipment that can produce high thermal energy and provide controlled environmental conditions is required to use metals in three-dimensional (3D) printing technology. As a result, the costs of this equipment are relatively high. However, the potential for using simpler equipment for the 3D printing of alloys with low melting temperatures is remark...

A standard is a published document that defines technical requirements or rules, listing guidelines in the form of implementation steps. Standards provide a unified reference source for specifying or representing products. Thus, the need for national and international standardization has emerged for the parts produced in different places with mass...

In three-dimensional (3D) printing, parts are produced based on digital models by adding material layer by layer. It is claimed that the use of 3D printing technology makes it possible to manufacture components with complex shapes and internal (void) structures that were previously very difficult or impossible with conventional methods and processe...

3D printing technologies, which allow the production of objects with complex geometries from biomaterials, have shown significant developments in recent years. In addition to the many advantages of 3D printing in biomedical applications, the constant shape of the produced parts can be considered a biomedical disadvantage. 4D printing is a productio...

Springs are used extensively by designers in machines. Springs can be broadly classified as wire springs, flat springs, or special shaped springs. Flat springs within these classes include conical disc springs, often called Belleville springs. Conical disc springs can produce very different load-displacement curve shapes with the change in h/t rati...

In additive manufacturing, parts are fabricated based on 3D geometric models by adding material layer by layer. The term additive manufacturing characterizes many different processes in which almost all materials can be processed, from metal and plastic to ceramics, glass, and concrete. The potential of additive manufacturing offers the opportunity...

Additive manufacturing is a relatively new manufacturing technique, and professional safety and health issues must be addressed in depth. Despite the significant developments in additive manufacturing applications in recent years, there is still a relatively limited number of studies on the possible suggestions of additive manufacturing for worker...

The additive manufacturing method is one in which the desired models are created by adding layers on top of each other, and the usage areas are increasing daily. Features such as production flexibility, rapid prototyping, and ease of use that traditional production methods cannot reach play an important role in the widespread use of this technique....

Copper has a high thermal and electrical conductivity. Since it is a soft and ductile metal, it is used in its pure form in many applications, including electrical installations, roofing, and industrial machines. Besides, it can be alloyed with other metals where strength, hardness, corrosion, deformation, and good resistance to creep are desired....

A helical end mill is a cutting tool used for milling, expanding, and grooving cylindrical holes by removing chips from the processed material. It is produced by grinding, rolling, or milling from high-quality tool steels (HSS). It is used in different types and geometries depending on the material being processed and the requirement. On it, groove...

Although new engineering materials and mechatronic systems are integrated into the engines during the engine development process, the observed failures in the existing engines should also be investigated. In the failure investigations, it was observed that the failure of the basic components such as piston, cylinder block, connecting rod, and crank...

People have conducted continuous research and observations to increase their living standards. In this direction, researchers observe nature and natural events, reveal the mechanisms underlying these events, and subsequently produce devices with traditional materials and manufacturing methods. However, since these devices are very rigid, their func...

Nowadays, 3D printing is used to produce various engineering parts thanks to improved mechanical properties and surface roughness. Despite its many superior features, the limitation of 3D printing is the size of the parts that can be produced. The use of 3D printing to fabricate smaller sub-parts and then adhesively bond them to each other is a pot...

Additive manufacturing (AM) is a manufacturing method used to produce high-performance components for automotive, aerospace, and medical applications. Selective laser melting (SLM), one of these methods, has been used to produce aluminum alloy components in recent years. However, the properties of aluminum alloys produced by this method need to be...

Rapid prototyping technologies have stood out as an alternative to traditional manufacturing methods for application in the COVID-19 crisis. The problems experienced in global supply chains have shown the importance of rapid prototyping, especially for needs in medical facilities. Rapid prototyping technologies used for the rapid production of medi...

Fused deposition modeling (FDM) is an additive manufacturing (AM) technique that has emerged as a suitable application in different areas, including machine design and manufacturing. The main advantages of this method over conventional methods include that it is faster and produces less material waste. Besides, AM offers computer-aided design and m...

Purpose The purpose of this paper is to determine the optimum nozzle diameter for parts production with polylactic acid using a three-dimensional printer. The additive manufacturing method used was fused filament fabrication. Design/methodology/approach Designers and researchers have focused on the effects of these parameters on part strength. Add...

Pipelines make the fastest method of oil and natural gas transportation. Therefore, welding has an important place in the manufacture of pipelines. However, pipelines are mainly manufactured using welding techniques damaged due to certain factors. One of these damages is corrosion damage. In this study, the types of corrosion damage occurring in th...

Bolts are un-permanent fasteners that are often used in machine assembly. The bolts are tightened by drilling holes on the parts to be connected to each other and attaching a nut to the end. After the assembly of the bolts, the pre-tension force generated during tightening cannot be maintained as a result of plastic deformation of the surface rough...

Bicycles are widely used in many regions of the world for many purposes, especially transportation and sports. Attempts are being made to lighten the designs of bicycles that move depending on human power. It is possible to diversify the designs of disc brakes, one of the structural components in bicycles, in line with the developing production tec...

An airplane can hover and take off thanks to its airfoil shape. Thanks to the airfoil, which has a unique cross-section geometry for the aircraft wing, the aerodynamic flight is realized thanks to the lift force created due to a pressure difference on the lower and upper surfaces of the wing. One of the critical elements of aircraft design in recen...

Purpose-This study aims to reveal that fatigue life is improved using heat treatment in the rotational bending fatigue test, which determines the fatigue behavior closest to service conditions. Design/methodology/approach-It is essential to know the mechanical behavior of the parts produced by additive manufacturing under service conditions. In gen...

Purpose This study aims to reveal that fatigue life is improved using heat treatment in the rotational bending fatigue test, which determines the fatigue behavior closest to service conditions. Design/methodology/approach It is essential to know the mechanical behavior of the parts produced by additive manufacturing under service conditions. In ge...

Additive manufacturing is used in many areas today and has applications that require both low and high budgets. In high-budget applications, devices with high heat sources such as electrons or lasers are used to produce an all-metal product in a single operation. One of the low-budget and simple-to-use techniques is the fusion filament fabrication...

Since each person is physically unique, it is impossible to use the same implants and surgical tools for every patient. With the widespread use of additive manufacturing (AM) in medical, applications for different parts of the body are encountered. 3d printed, customized surgical guides, tools, and implants are much more useful than those produced...

Additive manufacturing (AM) has affected the automotive industry, like all other industries. AM has attracted the attention of automotive manufacturers due to the advantages it provides. Industry-leading automotive companies are trying to stay one step ahead of the market by integrating AM with vehicle manufacturing. By the 3D production technique,...

The virus, which emerged in Wuhan, China, in the first quarter of the 21st century and called SARS-CoV-2, has brought changes in the production processes at the national and international level by affecting the everyday life flow. In regions where there are many incidents, medical supplies and personal protective equipment are needed due to restric...

Additive manufacturing (AM), a popular manufacturing technology, uses 3D digital models to produce parts. There are many types of AM technology in which models are created by adding thin layers on top of each other. This technology has many advantages, such as the ability to produce complex geometry parts and low-cost prototypes. Although it has si...

Additive manufacturing (AM) is one of the last twenty years' famous production techniques. Many different sub-branches of the method have emerged as a result of the research. This method of production has become very popular and has been used in many industries. One of these areas of use is the medical field; it produces superior prostheses, organ...

Additive manufacturing of materials, also known as 3D Printing, is a dynamically evolving technology. The effects of layer thickness (0.1, 0.2, 0.3, 0.4, 0.5 mm) and print orientation (upright, flatwise, edgewise) on acrylonitrile butadiene styrene (ABS), polylactic acid (PLA), glycol-modified polyethylene terephthalate (PET-G), and polycarbonate (...

Changes in the material's dimensions and physical properties are observed in ABS contact with water. These changes are essential for ABS as it is one of the most common materials used in Fused Deposition Modeling. It is seen that there are limited studies in the literature on the water absorption and drying properties of ABS filaments used in FDM s...

Nickel-based superalloys are used in turbine blades of aircraft engines since operating temperatures are higher than other materials. Recently, additive manufacturing (AM) in nickel-based superalloys has been getting attention, as it enables the production of parts with high geometric complexity and dimensional accuracy compared to conventional tec...

By changing plastics' properties substantially by blending or alloying polymers, desired properties can be obtained in engineering applications. From these plastics developed with superior properties, it is possible to manufacture traditional methods such as plastic injection and non-traditional three-dimensional printing techniques such as fused d...

Inconel 718 is a nickel-based superalloy frequently used in airplane engine and jet turbine applications. Due to the typical high-temperature applications, creep experiments are frequent for such applications. Additive manufacturing offers an exclusive way of manufacturing Inconel 718 with a high degree of design freedom. However, insufficient expe...

Camshaft is a machine element whose task is timing and driven by the crankshaft. The cams on it and the camshaft ensure that the valves are opened at the right time and kept open for the required time. Cams take action directly from the gear, chain or belt pulley mechanisms.The most widely used among these are belt-pulley mechanisms. Thus, the cams...

Ergonomic is particularly concerned with the interfaces between people and designs, along with the characteristics, abilities and needs of people. Ergonomics adapts designs to people and identifies people with designs with preferences based on experience. People can work with technical designs in many different ways or be affected by them. For this...

Differential gears are one of the important parts used in the differential systems of vehicles. The purpose of the differential is transmitted to the wheels through the differential, after the movement from the engine passes through the clutch and gearbox. Differential gear represents automotive components, including various bevel gears that provid...

Artificial Intelligence refers to machines that can interact with their environment and exhibit various behaviors using the acquired data. Machine learning is a branch of artificial intelligence that is used to develop computer programs that access data and acquire new information without human support. One of the popular production techniques of t...

Polyamide, commonly used in engineering plastics, has wear resistance and high strength. Hybrid manufacturing, using a combination of more than one production technique to benefit from the superiority of the manufacturing. In this study, polyamide, which is produced with casting and three-dimensional printer, has been drilled and reamed in numerica...

The basic principle of additive manufacturing technology is that the model can be manufactured directly via computer-aided design system. This technology is quite different from traditional methods and allows production to avoid wasting material. This study features 420 steel gears produced using both additive and conventional manufacturing. The ge...

Nowadays, manufacturing technologies are especially focused on macro-sized parts. As the size of technological devices and equipment decreased, micro manufacturing was needed. Micro-processing can be done in the production of micro-sized products and devices. Among these, micro drilling is one of the most basic micro-processing techniques and has e...

The studies on electronic cooling systems have generally focused on the thermal performance of heat sinks and the effect of the production technique has remained in the background. However, given the advantages of new production techniques, an increase in heat sink performance can be observed. In particular, thanks to the enhanced design freedom pr...

Nowadays, manufacturing technologies are especially focused on macro-sized parts. As the size of technological devices and equipment decreased, micro manufacturing was needed. Micro-processing can be done in the production of micro-sized products and devices. Among these, micro drilling is one of the most basic micro-processing techniques and has e...

The cutting speed for end milling tools decreases from the maximum to the center and achieves to zero on the center point. In this case, it is inevitable to observe the varying surface quality depending on the cutting speed changing along the tool width. In this study, the variation of the surface quality of workpiece along the cutter tool forehead...

Nickel based super alloys can be defined as high cost special alloys because of their high strength and durability in high temperature environments. The reason for this high cost, expensive alloying elements and there are generated under vacuum. Parts with super alloy origin are expected to have a long service life, high strength and reliability at...

One of the widely used machine elements in machine design and manufacturing is gears, and in many areas, the use of various sizes of gears is needed. Micro module gears with module 1mm and smaller are used as an important machine element in precision measuring instruments, defense industry and machine manufacturing. Damage to the gear surface, gear...

Additive manufacturing is a method that provides design flexibility when compared to traditional machining technologies. In addition, it enables manufacturing without requiring traditional methods such as casting, forging, and machining. There is very limited knowledge about the use of the recently widespread additive manufacturing technologies for...

In recent years, among the manufacturing technologies, additive manufacturing has become a popular place as well as machining. Additive manufacturing, also called 3D printing, is also used in machine design and manufacturing. The fused deposition technique (FDM) is one of the popular three-dimensional printer technologies. In this process, various...

Micro module gears with module 1mm and smaller are used as an important machine element in precision measuring instruments, defense industry and precision micro machine manufacturing. Damage to the gear surface, gear teeth, gear body and gear-shaft connection during power transmission affect the normal operation of the entire machine. Due to the sm...

3D printing technology has grown in the past decades. Faster and cheaper techniques are developed to produce complicated parts. It is also known that the hybrid material approach is beneficial in material selection. In this way, the mechanical properties are improved by using the materials instead of using them alone. In this study, TPE (Thermoplas...

Polylactic acid (PLA), despite its widespread use in three‐dimensional (3D) printing technique, is lacking in the literature on creep behavior due to the printing parameters. Also, the potential use of carbon fiber‐reinforced composites as 3D printing materials is remarkable as it improves mechanical properties of the produced parts. Therefore, it...

In recent years, among the manufacturing technologies, additive manufacturing has become a popular place as well as machining. Additive manufacturing, also called 3D printing, is also used in machine design and manufacturing. The fused deposition technique (FDM) is one of the popular three-dimensional printer technologies. In this process, various...

Miniature gears are machine elements commonly used in micro electromechanical systems. Manufacturing quality of miniature gears, which are used mainly in biomedical devices and many other applications, are very important. Therefore, a high-precision processing quality is required in manufacturing methods. Production methods of miniature gears can b...

Effect of design and production parameters in macro and micro gears has gained importance. In order to prevent any damage, damage mechanisms should be examined in detail. When the number of gear teeth to be cut becomes small, the generating tool will sweep out its path, removing some of the profile, and producing an undercut tooth form. Profile shi...

The ISO 22674 standard categorizes metallic materials that are suitable for dental appliances and restoration fabrication. Nickel, cadmium, and beryllium are classified as hazardous elements in this international standard. However, many alloys containing nickel and beryllium are used in dentistry as biomedical metallic materials. Numerous studies o...

Three-dimensional (3D) printing technologies have been developed for prototype purposes. However, it has become possible to manufacture various functional parts with improving mechanical properties of 3D printing materials. Although polylactic acid (PLA) is the most widely used 3D printing material, the mechanical properties required for functional...

Three-dimensional (3D) printing technologies are the most promising method in the production of functional parts. Although 3D printing technology includes various methods, fused deposition modelling (FDM) is the most widely used one. In FDM, generally polylactic acid (PLA) filaments are used to fabricate 3D geometry by stacking individual layers. I...

Three-dimensional (3D) printing technologies have been developed for prototype purposes. However, it has become possible to manufacture various functional parts with improving mechanical properties of 3D printing materials. Although polylactic acid (PLA) is the most widely used 3D printing material, the mechanical properties required for functional...

Three-dimensional (3D) printing technologies are the most promising method in the production of functional parts. Although 3D printing technology includes various methods, fused deposition modelling (FDM) is the most widely used one. In FDM, generally polylactic acid (PLA) filaments are used to fabricate 3D geometry by stacking individual layers. I...

Micro-module gear manufacturing has gained importance along with the emerging manufacturing technologies and requirements. Different design parameters in macro and micro fabrication processes are important. Thus, design and development of micro-module gears can be provided and used efficiently. In this study investigates elastic-plastic stresses of...

Micro-module gears are machine elements with a module of 1 or less. Micro-module gears, which have many applications, are used especially in micro electromechanical systems and biomedical devices. High precision manufacturing qualities are required for micro-module gears whose quality is very important. Therefore, 3D printing is a remarkable produc...

3D printing is a manufacturing method that uses only digital technology to fabricate the parts, compared to the traditional manufacturing methods involving complex industrial design and other time-consuming processes. ABS and PLA are the most commonly used materials in this manufacturing method, also called the additive manufacturing. Although thes...

Gears are the most widely used machine elements to transmit movement and mechanical power between the shafts. Gear tooth failures caused by wear, fatigue or fracture results in technical, critical and economical problems. For investigating wear failures, the FZG gear test systems have widespread used and accepted as the standard test in the world....

Additive manufacturing technology is one of the non-traditional manufacturing methods that have come to prominence in machine parts manufacturing in recent years. It is a production process different from the machining known as conventional manufacturing. In conventional manufacturing methods, various relative movements between semi-finished part a...

Additive manufacturing technology is one of the non-traditional manufacturing methods that have come to prominence in machine parts manufacturing in recent years. It is a production process different from the machining known as conventional manufacturing. In conventional manufacturing methods, various relative movements between semi-finished part a...

In this paper, an experimental study was conducted to investigate the convection heat transfer inside a horizontal rectangular channel where open-celled aluminum-foam blocks with different pore densities [10, 20, and 40 pores per inch (PPI)] are located. Air was used as the working fluid. The lower surface of the channel was equipped with 8 × 2 arr...