Berkay Ergene

Berkay Ergene
Pamukkale University · Department of Mechanical Engineering

Doctor of Engineering

About

50
Publications
16,199
Reads
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82
Citations
Citations since 2016
49 Research Items
82 Citations
2016201720182019202020212022010203040
2016201720182019202020212022010203040
2016201720182019202020212022010203040
2016201720182019202020212022010203040
Introduction
PhD in Pamukkale University and graduated his PhD education about mechanical behaviors of cellular (lattice) structures. Furthermore, he is also interested in additive manufacturing and composite materials.
Additional affiliations
January 2019 - December 2020
Isparta University of Applied Sciences
Position
  • Research Assistant
September 2016 - January 2019
T.C. Süleyman Demirel Üniversitesi
Position
  • Research Assistant
June 2015 - September 2016
Pamukkale University
Position
  • Research Assistant
Education
September 2016 - September 2020
T.C. Süleyman Demirel Üniversitesi
Field of study
  • Mechanical and Manufacturing Engineering
September 2012 - July 2015
Istanbul Technical University
Field of study
  • Solid Mechanics
September 2008 - June 2012
Namık Kemal Üniversitesi
Field of study
  • Mechanical Engineering

Publications

Publications (50)
Article
Full-text available
Metallere göre hafif ve yüksek yorulma dayanımı, darbe dayanımı ve özgül mukavemet özelliklerinden dolayı kompozit malzemelerin, başta havacılık sektörü olmak üzere endüstride giderek kullanım alanı genişlemektedir. Kompozit malzemeler arasından yaygın olarak kullanılan fiber takviyeli kompozitlerde, en önemli kritik faktör, yükü taşıyan ve ana yap...
Article
Full-text available
AISI 304L steel is widely preferred in many fields such as pipe sector, biomedical and nuclear industry due to its wear behavior and good machinability. In this experimental study, temperature-dependent wear properties and worn surface structures of AISI 304L steel were investigated. All tests were conducted by using pin-on-disc test equipment unde...
Conference Paper
Full-text available
Son on yılda yaşanan teknolojik gelişmelerle, hemen hemen herkesin adını duyduğu ve çoğu kişinin de aktif olarak kullanır hale geldiği üç boyutlu yazıcılar, biyomedikal, otomotiv, savunma ve inşaat gibi birçok farklı alanda kullanılan polimer malzemelerin istenilen boyut ve tasarımlarda fonksiyonel ürünlere dönüşmesini sağlamaktadır. Gerçekleştiril...
Conference Paper
Full-text available
In recent years, polymer materials manufactured with additive manufacturing technologies have been preferred and used in many fields such as biomedical, construction, automotive, aviation, and defense. It is thought that the advantages of additive manufacturing technologies like minimizing the waste material and total production time play a critica...
Article
Full-text available
Additive manufacturing (AM) is a highly popular, versatile, and practical production technique due to its great ability of very fast prototyping. Compared to other traditional ways, the number of studies on AM techniques has increased in a noteworthy manner day by day on account of their promising potential for future works. In this paper, fused de...
Article
Full-text available
In recent years, the interest in light metals has increased due to the increasing demand for components with high specific strength and long service life in the industry. In this context, titanium alloys have become very common and popular owing to their high strength/weight properties and superior refractory characteristics. In this study, the eff...
Article
In recent years, the interest in light metals has increased due to the increasing demand for components with high specific strength and long service life in the industry. In this context, titanium alloys have become very common and popular owing to their high strength/weight properties and superior refractory characteristics. In this study, the eff...
Article
Full-text available
In this study, the effect of filament type and layer height on the dimensional accuracy of the 3D printed tensile test samples from PLA, PET-G, and ABS was investigated in depth. Based on the fused filament fabrication (FFF) technology, tensile test samples were produced with various layer heights (0.2 mm, 0.3 mm, and 0.4 mm) while the other printi...
Article
Full-text available
In this study, it was aimed to experimentally compare the mechanical properties of the traditional honeycomb structure, which is one of the cellular structures with its own specific area of use with its features such as lightness and load absorption, and the new generation re-entrant, chiral and hybrid structure (re-entrant + honeycomb) with negati...
Conference Paper
Full-text available
Bu çalışmada, AISI H13 (DIN 1.2344) sıcak iş takım çeliğine, 530°C' de 2,5 saat gaz nitrasyon işlemi uygulanmış olup, bu işlemin aşınma davranışları üzerindeki etkileri deneysel olarak incelenmiştir. Abrazif aşınma testlerinde, 5, 10 ve 15 N mertebelerinde üç farklı kuvvet seti, kuru ortamda, sabit kayma hızında (3,33 m/s) ve üç farklı kayma mesafe...
Article
Full-text available
Today, fused deposition modeling (FDM), which is one of the additive manufacturing methods, can transform the designs into three-dimensional (3D) products layer by layer according to generated gcodes in slicing program. For this reason, FDM is frequently preferred in many platforms, from applications in aerospace and aviation to the construction of...
Article
Full-text available
Additive manufacturing (AM) is a versatile and promising method for rapid prototyping and advanced design applications. Owing to its unique potential for fast production rates, and capacity of creating complex shapes, the number of researches on AM techniques have increased day by day in the technical literature. In this work, contrary to common li...
Article
Full-text available
Inconel 718 and Ti6Al4V which are the most widely used alloys in metal additive manufacturing, are preferred in applications in many fields such as automotive, aerospace and biomedical. As it is known, functional lightweight parts attract the attention of researchers due to their high specific strength despite their light weight. As a result of the...
Conference Paper
Full-text available
Günümüzde borlama işlemi malzemelerin yüzey özelliklerini geliştirmek amacıyla birçok araştırmacı tarafından tercih edilmektedir. Bu çalışmada, endüstriyel AISI 8620 çeliğinin aşınma davranışlarının geliştirilmesi amacıyla numunelere termo-kimyasal bir yüzey sertleştirme işlemi olan borlama uygulanmıştır. Borlama işlemi 800 °C ve 900 °C sıcaklığınd...
Conference Paper
Full-text available
In this study, the effects of cutting parameters in micro milling of Ti6Al4V material on surface quality and burr formation were experimentally investigated. Besides, feed per tooth, cutting speed and depth of cut were handled in different parameters. Hence, the surface roughness of the channels subjected to the micro milling process was measured a...
Conference Paper
Full-text available
While the common matrix material in polymer based composite manufacturing is known as thermosetting; thermoplastics (TP) have become attraction matrix material due to theirs able to serial prepreg manufacturing, transform net shape from prepreg by rapid pressing, recycle, flexible and rigid composite materials design according to using applications...
Article
Full-text available
Pipes are mainly used in waste, drain and vent systems as well as transporting various liquids that might be corrosive, flammable, explosives, volatile, reactive, or sometimes hazardous to human health. Though pipes are used at the underground or above ground, all of them are exposed to vibration because of external factors. In this study, we focus...
Article
Full-text available
Günümüzde kompozit malzemeler sırasıyla fiber ve matris malzemesinin sağladığı yüksek dayanım ve hafiflikten dolayı uzay havacılık, otomotiv, savunma, denizcilik gibi bir çok farklı alanda tercih edilmektedirler. Kompozit malzemeden üretilen yapılarda meydana gelen çatlakların yapının mekanik ve titreşim özelliklerini etkilediği bilinmektedir. Bu...
Article
Full-text available
On the road to real applications, although there are lots of efforts focusing on mechanical and physical features in the literature, their machining abilities were examined in a very limited manner. In this study, machining properties of pumice reinforced AA7075 syntactic foams manufactured via the newly offered sandwich infiltration technique were...
Conference Paper
Full-text available
Composite materials are extensively used in many industrial sectors such as automotive, aircraft, defense, and marine due to their featured mechanical properties that are the results of combining two or more different materials for a purpose. It is known that changing the fiber volume or fiber orientation may improve the mechanical properties of th...
Article
Full-text available
In recent years, cellular structures have attracted great deal of attention of many researchers due to their unique properties like exhibiting high strength at low density and great energy absorption. Also, the applications of cellular structures (or lattice structures) such as wing airfoil, tire, fiber and implant, are mainly used in aerospace, au...
Article
Full-text available
Plastic materials are widely preferred in many applications due to being light and cheap in addition to being manufactured easily with various manufacturing methods like injection molding or additive manufacturing. One of the most used plastic material ABS (acrylonitrile butadiene styrene) is sometimes coated to increase its wear and corrosion resi...
Article
Full-text available
Recently, coating applications of hard engineering ceramics on metallic alloys have become notably widespread in order to expand the service life of the critical design components working in though conditions like corrosive/oxidative or erosive/abrasive media. Even though scientific efforts on coating processes and their effects on wear and corrosi...
Article
Full-text available
Hayal gücünü üç boyutlu olarak gerçek bir ürüne dönüştürmeye olanak sağlayan üç boyutlu baskı (3D Printing) teknolojisinin uzay-havacılık sektöründen sağlık sektörüne dek birçok farklı alanda yer almaya başladığı ve kullanımının da giderek arttığı bilinmektedir. Teknolojinin durdurulamaz gelişimi ile birlikte yeni malzemelerin ve imalat yöntemlerin...
Article
Full-text available
Developments in technology require the new materials, lighter and more efficient structures and also new manufacturing methods. In this study, after doing researches about topology optimization, regular honeycomb and re-entrant structures; the regular honeycomb and re-entrant structures were designed, and then Ti-6Al-4V material was chosen for thes...
Article
Full-text available
Sandwich composite structures are widely used in significant applications of many fields such as aerospace, automotive and defense. An increase in the usage of sandwich structures make the researchers focus on investigating the possible various face sheet and core materials which are the main parts of sandwich structures. In recent years, improveme...
Conference Paper
Full-text available
zet: Üç boyutlu (3B) baskı ya da eklemeli imalat yöntemi olarak bilinen üretim yönteminin kullanımı, başta otomotiv sektörü olmak üzere, havacılık, savunma sanayi alanlarında hızla artmaktadır. Bu çalışmada; endüstriyel mekanizma örneği olan 3B yazıcılarda katman kalınlığının baskı süresi, filament tüketimi ve yüzey pürüzlülüğüne etkisi incelenmişt...
Conference Paper
Sandwich composite structures are widely used in significant applications of many fields such as aerospace, automotive and defense. An increaase in the usage of sandwich structures make the researchers focus on investigating the possible various face sheet and core materials which are the main parts of sandwich structures. In recent years, improvem...
Article
Full-text available
Özet: Takım çeliği şekillendirme ve enjeksiyon kalıplarının/ekipmanlarının imalatında yaygın kullanılan bir malzemedir. Enjeksiyon ve şekillendirme kalıpları, çalışma sırasında tekrarlı yüksek basınç ve ısıya maruz kalmaktadırlar ve bu çalışma koşulu kalıplarda beklenmeyen zamanda çatlak oluşumuna sebep olmaktadır. Sürekli ve tekrarlı yüklerin deva...
Conference Paper
Full-text available
In last decade, Three-Dimensional (3D) printing technology or in another saying additive manufacturing had become one of the most popular manufacturing methods because of offering matchless geometry freedom and different material options about producing industrial products. Changes and developments in technology influenced additive manufacturing as...
Conference Paper
Full-text available
Cellular structures are mainly classified in two main categories as structures with positive and structures with negative Poisson’s ratio. In another saying, re-entrant structures with negative Poisson’s ratio exhibit auxetic behavior unlike honeycomb structure which possesses positive Poisson’s ratio and both of these two type cellular structures...
Conference Paper
Full-text available
In recent years, many researchers focused on mechanical behaviors of cellular structures which are mainly used in defense, automotive, aerospace and biomedical industries because of their enhancement material properties like having high strength at low density and energy absorbing capacity. These structures can be produced by additive manufacturing...
Conference Paper
Full-text available
Magnesium alloys can be found in many industries to manufacture machine, automotive, aircraft etc. components by using traditional and non-traditional machining methods. Machining performance and selecting appropriate process parameters during the machining of alloys have great importance in term of part quality and machining costs. This paper deal...
Conference Paper
Full-text available
Magnezyum (Mg) alaşımları, düşük yoğunlukları ve özgül dayanımları ile havacılık, uzay ve otomotiv endüstrisinde, elektronik/haberleşme, biyomalzeme ve spor ekipmanlarının imalatında kullanılmakta ve dökümden sonra özellikle medikal ve elektronik uygulamalarda mikro/makro işlemeye ihtiyaç duyulduğu, mikro işlenebilirliklerinin araştırmalara konu ol...
Article
Full-text available
Cutting with abrasive water jet is an effective method for many engineering materials. Owing to its ability providing close tolerances and dimensional accuracy as well as cutting of extremely hard materials, total using rate of abrasive water jet cutting (AWJC) in the industry rises day by day. In addition to cutting, turning of the many industrial...
Article
Full-text available
Powder metallurgy (P/M) is known as an industrial part manufacturing by powder pressing and sintering usingceramic and metal based particulars, but, P/M method has incorperated the additive manufacturing as a new method which is combined in technologies of laser, machine, design and software. The manufacturing of prototype and/or useful industrial...
Conference Paper
Full-text available
Günümüzde eriyik yığma modelleme, seçici lazer sinterleme, polijet gibi eklemeli imalat yöntemleri ile plastik enjeksiyon ya da döküm yöntemleriyle üretilmesi mümkün olmayan nitelikteki endüstriyel parçaların üretilebilmektedir. İmal edilen parçaların delaminasyona sahip olup olmaması, malzeme özellikleri ve geometrik boyutları gibi bazı parametrel...
Conference Paper
Full-text available
Yatay eksenli, dikey eksenli ve eğik eksenli olmak üzere üçe ayrılan rüzgar türbinlerinin tasarımları aerodinamik ve mekanik özellikler dikkate alınarak yapılmaktadır. Rüzgar türbin kanatlarının tasarımı için bir diğer önemli parametre de rüzgar türbin kanadının malzemesidir ve bu malzemeden genellikle düşük yoğunlukta olması ve uzun yorulma ömrüne...
Conference Paper
Full-text available
The technology has evolved and lead to developments especially in foremost industries of countries like defense, automotive and aerospace in last decade. Thus, countries are in competition in order to be one step further than other contestant countries by creating useful new design, topology or material. As a result of this aim, cellular materials...
Conference Paper
Full-text available
Additive manufacturing expected to have a market share of 20 billion dollars in 2020 presents unique design freedom which is not possible with other manufacturing methods. Hence, it's observed that the applications of titanium and aluminium alloy materials on cellular structures catch more attention day by day because of having low-weight as a resu...
Article
Full-text available
In this study, we mainly focused on a simulation study regarding composite footbed in order to contribute to shoe industry. As a footbed, e-glass fiber reinforced polyurethane was determined since polyurethane based materials are already used for footbed in shoe manufacturing frequently. Flat, elliptical and rectangular grooved shoe soles were mode...
Article
Full-text available
Cellular structures such as regular/irregular honeycombs and re-entrants are known as lighter, high level flexibility and more efficient materials; these cellular structures have been mainly designed with topology optimization and obtained with new additive manufacturing methods for aircraft industry, automotive, medical, sports and leisure sectors...
Conference Paper
Full-text available
Cellular structures such as regular/irregular honeycombs and re-entrants are known as lighter, high level flexibility and more efficient materials; these cellular structures have been mainly designed with topology optimization and obtained with new additive manufacturing methods for aircraft industry, automotive, medical, sports and leisure sectors...
Article
Full-text available
In this study, vibration analysis of layered composite beams with variable cross sections and delaminationswas investigated analytically and numerically. In the analytical part, Bernoulli beam theory was used and theeffect of shear force on the beam was neglected. The layered composite beam consists of eight layers and containsdelaminations with va...
Conference Paper
Full-text available
Advanced technology requires new manufacturing methods and new structures which are light, efficient and convenient in order to meet the needs of the industries. Recently, honeycomb and re-entrant (auxetic) cellular structures have been studied due to their unique properties such as energy and vibration absorbing capability, indentation resistance,...
Conference Paper
Full-text available
Abrasive waterjet machining utilizes a high speed steady flow of water and abrasive particles that can be used to machine different kinds of engineering materials. Machining and cutting with abrasive waterjet equipment has a lot of advantages over other traditional machining processes. The most significant virtue is that no heat is created in the w...
Article
Full-text available
Günümüz imalat sektörü, malzeme, mühendislik yazılım ve lazer teknolojisindeki gelişmelere bağlı olarak farklı teknolojilerin bir araya getirildiği üç boyutlu (3-B) katı model esaslı bir dijital tasarım ile polimer, metal ve seramik esaslı malzemelerden katman katman eklemeli bir şekilde kullanışlı mühendislik parçasının imal edilebildiği bir yönte...
Thesis
Full-text available
Bu çalışmada ticari saflıktaki bir DP600 çift fazlı çelik sacın haddeleme yönüne göre 0-45-90 derece açılarda hazırlanan çekme deneyi numuneleri ile çekme testleri yapılmış, elde edilen mühendislik ve gerçek gerilme-genleme eğrilerinin yardımıyla şekil değiştirme davranışı belirlenmiştir. Malzemenin iç yapısı ve faz morfolijisinin tayinini yapabilm...

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Project (1)
Project
In this project, We are focused on mechanical performances of additively manufactured cellular structures which exhibit Positive or Negative Poisson's ratio. The effect of cell geometries in cellular structures on their specific energy absorption is also investigated.