Bünyamin Çiçek

Bünyamin Çiçek
Hitit University · Technical Sciences Vocational School / Machine and Metal Tech.

Doctor of Engineering
Assoc. Prof. Dr.

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50
Publications
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206
Citations
Introduction
Bünyamin ÇİÇEK

Publications

Publications (50)
Article
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Bu çalışmada Mg alaşımlarının kullanım alanlarını desteklemek amacıyla yeni bir yöntem ile kaplama işlemi yapılmıştır. AZ91 Mg alaşımı ile hazırlanan numuneler saf Si tozu içerisinde farklı sıcaklıklarda bekletilmiştir. Mg-Si faz diyagramı esas alınarak sıcaklıklar 400°C, 450°C ve 500°C olarak belirlenmiştir. Numuneler belirlenen sıcaklıklarda 2, 4...
Article
Full-text available
In this study, WE43 magnesium alloy was produced by the powder metallurgy method. Microstructural analyses of the produced samples were carried out using the scanning electron microscopy method. X-ray fluorescence, energy dispersive x-ray (EDS) analysis, and hardness tests were also implemented to investigate the physical and chemical properties of...
Article
Full-text available
In this study in-vitro bioanalysis and in-vivo living tissue biocompatibility were evaluated. Pure Mg and Mg + x Zn (x = 1 and 3 wt%) alloys have been used in the study. In vitro immersion and potentiodynamic corrosion were applied to these alloys in Hank’s and artificial seawater solution. The materials were kept in living tissue (gluteus-superfic...
Article
This study produced a non-standard alloy of 85% Mg, 13.5% Al, and 1.5% Si by weight. In-depth microstructural, chemical, and morphological analyses of the secondary β phases formed in the MgAlSi alloy were conducted. The formation processes of the intermetallic phases were also examined. Image processing was applied to the obtained microstructures...
Article
Full-text available
In this study, the bio state of the alloy produced in the modified metal injection system was monitored after sintering. A new system operating with high gas pressure, far from the traditional injection model, has been established for material production. In this system, 316L stainless steel powders were molded using a PEG/PMMA/SA polymer recipe. D...
Article
Bu çalışmada biyo uyumlu Mg metali ile birlikte Al ve Si elementlerini içeren bir alaşım üretilmiştir. Üretim işlemi indüksiyon ocağında ergiterek yapılmıştır. MgAlSi üçlü alaşımı üretim sonrasında 350C/12 saat homojenleştirme ısıl işlemine alınmıştır. Elde edilen numunelere mikro yapı incelemesi için taramalı elektron mikroskobu (SEM) kullanılmışt...
Article
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This study focused on improving the wear properties of a monotectic Al-10%Bi alloy. The properties of the alloy were improved through two different processes. The effect of artificial aging and addition of Mn in alloys was investigated. The alloys produced in an atmosphere controlled mini arc furnace. The first sample of the alloy (AlBi-aged) was a...
Article
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In this study, AlCu alloy was produced by the powder metallurgy method used in many stages of the automotive industry. In addition to the AlCu alloy, basalt fiber was added. Thus, it is aimed to increase wear resistance. A mixture was obtained with Al and Cu elements used in a 1:1 ratio by weight. Samples that were pressed and sintered at 600°C wer...
Article
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Magnesium alloys are being studied for their potential as biodegradable metals, and there is a growing need for multipurpose materials, such as those with more than one use. Binary Mg-Ag alloys were developed as implant materials, combining the beneficial qualities of magnesium with silver's well-known compatibility feature. The result shows that a...
Article
Full-text available
The current study aimed to improve the microstructure and mechanical properties of ZM21 magnesium alloy by using the rolling thermomechanical process at various temperatures (275 and 375 C) and rates (40 and 60%). The rolled samples’ grain size was examined, and it was found that the grain size decreased by 40% during hot deformation, reaching a gr...
Conference Paper
Full-text available
In this study, a lead-coated automatic side-sliding mechanism has been developed for the observation window of the X-ray room control console. In order to monitor the patient, especially children, the automatic sliding mechanism that opens when the healthy person gets close to the window is designed to close when the person leaves. Thus, the X-ray...
Article
Full-text available
In this study, in vitro/vivo biocompatibility experiments of Mg-Al-Mn alloy were carried out and AM50 and AM60 alloys were used in the experiments. Immersion corrosion and potentiodynamic corrosion have been applied to these alloys in vitro. For biocompatibility, cytotoxicity test was performed. Scanning electron microscope (SEM) images were taken...
Article
Full-text available
In this study, a photo-resin 3D printer was used as an example of the additive manufacturing method. The aim of the study is to improve the mechanical values of resin printer products. For this purpose, the change of mechanical values with the effect of nanostructures added to the resin by a special mixing method was investigated. Micro images, sur...
Article
Full-text available
In this study, Mg-0.5Ca alloy was produced in a newly designed unit during the metal injection molding process. 40μmD90 Mg powder and 500nmD90 Ca powder were used in accordance with injection molding and powder sintering rules. In the injection phase, Polyethylene-glycol (PEG) and Poly-methyl-methacrylate (PMMA) and stearic acid (SA) polymers act a...
Article
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In this study, a casting was made with the addition of Al and Si elements to Mg metal. Atmosphere controlled furnace was used during casting. In addition to the pure Mg metal, 15% by weight Al12Si ingot alloy was added to the crucible. The obtained alloy was sampled after homogenization heat treatment. After casting, the microstructure analysis of...
Article
Full-text available
Bu çalışmada incelenen reçine 3D yazıcılar son yıllarda birçok aşamada kullanılmaktadır. Bu alanların başında biyo çalışmalar giderek önem kazanmaktadır. Buradan yola çıkarak bu çalışmada reçine 3D yazıcılarda üretilen monomer temelli bir epoksi reçineden UV ışın dalga boyundan yararlanılarak üretilen bir numunenin biyo – uyumluluğu incelenmiştir....
Article
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Production methods are changing day by day with the developing technology. Based on this idea, a new production logic and machine have been developed owing to polymer-supported powder injection molding (PIM). The ability of this newly designed machine ( new PIM) to mold metal or ceramic powders supported by polymer binders is discussed in this stud...
Article
Full-text available
Bu çalışmada; farklı oranlarda bor ilave edilen 8620 kalite ticari çeliklerin korozif aşınma davranışlarının belirlenmesi amacıyla %3,5 sodyum klorür (NaCl) çözeltisi içerisinde farklı yükler (10, 20 ve 40 N) altında korozif aşınma deneyleri gerçekleştirilmiştir. Sonrasında yüzey pürüzlülüğü ölçümleri yapılmış ve buradan elde edilen sonuçlar kullan...
Article
Full-text available
zet-Gelişen sanayi ile çelik ağırlıklı endüstriyel yapılarda farklı alaşımlardaki çeliklerin birbiri ile kaynağı vazgeçilmez bir unsur olmuştur. Farklı özelliklerde çeliklerin kullanılması gereken alanlarda kullanılması ve aynı çalışma bölgelerinde diğer kalitedeki çeliklerle kaynaklanması çok önemli bir süreçtir. Çalışmamızda sürünme direnci yükse...
Article
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zet-Bu çalışmada, AISI 316 Östenitik Paslanmaz Çeliğin kutu borlama yöntemiyle borlanması sonucu yüzeyinde oluşan çift fazlı demir-borür tabakasının kırılma tokluğu incelenmiştir. Demir esaslı malzemelerin borlanması ile yüzeylerinde, genellikle FeB ve Fe2B' den oluşmuş demir borür tabakası oluşmaktadır. Bu fazlar, mekanik özellikleri açısından bir...
Article
Full-text available
In this study, it has been reported that Q345B steel combine with different steels using electric arc welding method and the mechanical properties were investigated. Produced by hot rolling processes, Q345B steel is a low-alloyed medium tensile strength and highly usable steel. The steel used contain less than 0.2% carbon and less than 0.55% silico...
Article
Full-text available
In this study, research has been made on the aging of metal matrix composite materials produced by the in situ casting system. Mg matrix composite material was produced by the in situ casting system. In this study, 90%Mg + 10% Al12Si (wt) ingot casting was performed for alloy formation and 1% Pb was added as an alloying element to the melted struct...
Conference Paper
Full-text available
Welding technology is an indispensable elements in the development of the world at every stage of new construction made with new metallic material produced or used in constructions. Nowadays, every step of the welding process has to be automatic as well as all the welding methods. These automated methods are supported by robot arms, resulting in ro...
Conference Paper
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Some studies have been made on the development of Mg alloys based on the research and development (R&D) requirement arising from the use of Mg metal and its alloys in all commercial sectors. In this study, Cadmium (Cd) element of 0.2-0.5 and 1.0 % alloy was added in order to improve the microstructure and mechanical properties of AM60 quality magne...
Article
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This paper presents microstructural and mechanical characterization of E911 weld metal. The types and transformations of the phases and microstructures of all-weld metal have been investigated through scanning electron microscopy, optical microscope, x-ray diffraction analysis. The elemental analysis and mechanical tests of the weld metal was deter...
Conference Paper
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In this study, material selection and mechanical behavior of the piping system which is used in the automobile and connected systems, which are increasingly used in the developing world, and which are used during the transport of the various gases given to the exhaust system and the atmospheric environment are investigated. This work was carried ou...
Article
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I n the study, mechanical properties of martensitic steel X20CrMoV11-1 was investigated after being welded using Tungsten Inert Gas GTAW welding method at different weld positions PC and PJ-EN 6947 . The X20CrMoV11-1 steels have been widely used in thermal power plant applications in combustion chambers and other high-temperature parts. These mater...
Article
Full-text available
The aim of this study is to determine the success of the project development and rehabilitation courses given to university students on their students. In this direction, theoretical and practical training was given to the students on the theoretical calculations of machine construction, machine design and manufacturing, assembly stages and system...
Conference Paper
Full-text available
The purpose of this work to the university students on the project development training is to determine the success of students In line with this Aksaray University Vocational College Mechatronics Ortakoy is active in the course is obligatory konstrüksiyonun 40 students theoretical accounts in the manufacturing and assembly of images and the operat...
Conference Paper
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Gelişen dünyanın enerji ihtiyacını karşılayabilmek adına katı yakıtları (Taş Kömürü, İthal Kömür, Yerli Linyit Kömürü, Asfaltit vb.) elektrik enerjisine dönüştüren termik santrallerin kurulu sayısı gün geçtikçe daha da artmaktadır. Türkiye’de kurulu halde bulunan katı yakıtlı termik santraller 2017 Nisan ayı itibariyle yaklaşık 9.104 GWh elektrik ü...
Conference Paper
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Günümüz teknolojisinin ulaştığı imkânlarla üretilen dikişsiz boruların kullanım alanlarının başında yüksek ısı ve basınç altında çalışmaları gelmektedir. Bu malzemelerin üretiminde temperlenmiş martenzit (beynit) yapının oluşturulması ve su verme işlemleri detaylı parametreler gerektirmektedir. Farklı ısıl işlemlerin etkisiyle ve/veya eklenmesi ile...
Conference Paper
Full-text available
This study, the application of a thermal power plant using 13CrMo4-5 and X10CrMoVNb9-1 series steel quality in the stress relieving heat treatment or known as Post-Weld Heat Treatment (PWHT), is examined related to mechanical properties of the temperature range. Working in Thermal Power Plant environment certified by sampling of the steel used in t...
Article
Full-text available
In this study, kinetic examinations on boronized AISI 304 Stainless Steel samples were described. Samples were boronized in indirect heated fluidized bed furnace consists of Ekabor 1 (TM) boronizing agent at 1123, 1223 and 1323 K for 1,2 and 4 hours. Morphologically and typically examinations of borides formed on the surface of steel samples were s...
Conference Paper
Full-text available
TIG welding is a method often used for joining of light metals and high-alloy steels and it contains a number of risks as with other arc welding methods. If proper precautions are taken, safe working environment can be provided. Arc welding includes various hazards like dust, gas and smoke, compressed gas cylinders, harmful rays, high temperature a...
Conference Paper
Full-text available
Bu çalışmada yapı uygulamalarında kullanılan düşük karbonlu çelik malzemelerde kaynak yöntemi farkının mekanik özelliklere etkisi incelenmiştir. Kaynak yapılacak malzeme olarak S355J2 kalite düşük karbonlu çelik kullanılmıştır. Bu malzeme gaz altı kaynak (çıplak tel ile) yöntemi (MAG) ve elektrik ark (elektrot) kaynağı (EAK) yöntemi ile uygun stand...
Conference Paper
Full-text available
n this study, P91-P91 steel pipes welded by TIG using W Cr Mo 91 filler metal under 250°C heated and non-pre heated conditions. After welding process, post weld heat treatment (PWHT) was applied on the welded joints for 2, 4, 6 and 8 hours at 750°C. Microstructural characterization carried out by optical microscope and XRD. Mechanical properties in...
Conference Paper
Full-text available
This study, the application of a thermal power plant using P11 and P91 (ASME) series steel quality in the stress relieving heat treatment or called Post-Weld Heat Treatment (PWHT), on the mechanical properties of the temperature range examined. Working in Thermal Power Plant environment certified by taking samples of the steel used in the project d...
Conference Paper
Full-text available
Prepared this study purposes in areas of steel grades used in thermal power plant used in and application conditions from each of these welds is briefly outlined steel. First, any thermal power plant used in low-carbon and high-alloy (Cr-Mo alloy) is explained by the use of steel of the power plant and the amount of use. High-alloy steels as (Cr-Mo...
Article
Full-text available
In this study, the effect of adding Pb at different ratios on the wear resistance of Mg alloys reinforced with low density "in situ" Mg2Si particles has been investigated. Pb, at a rate of 0.2%, 0.5%, and 1%, was added to Mg-10% Al-12Si alloys reinforced with "in situ" particles, produced from the reinforcement nucleation within the matrix. The mic...
Article
Full-text available
The purpose of this study was to investigate the effect adding Pb at different ratios had on the corrosion properties of Mg alloys. Pb, at a rate of 0.2%, 0.5%, and 1%, was added to Mg-10% Al–12Si. The microstructure characterisation, mechanical and corrosion properties of alloys, produced using a casting method was investigated. Light Optical Micr...
Article
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In this study, the mechanical and wear properties of AISI 316L stainless steel implant materials, produced by powder metallurgy (P/M), were investigated. AISI 316L stainless steel powder was cold-pressed with 800 MPa of pressure and then sintered at 1200, 1250 and 1300°C for 30 min as three sample groups. The microstructure, and mechanical and wear...
Conference Paper
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Feature of iron-ore cold-bonded composite pellets is, raw materials pellletizing with a cold-hardening binder. Bentonite is the most widely used binder in iron ore pelletizing. However, there are some drawbacks with the use of bentonite. Using organic binder can reduce the pelletizing cost and shorten the processing time , minimize the negative eff...
Thesis
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In this study non-standard Mg alloy was produced by in-stu casting method with the addition of weighty %10 Al12Si (prepared previously) ingot alloys to Mg matrix. Mg and Si elements generated Mg2Si particles in the produced material. Generated Mg2Si particle reinforced composite materials prepared for re-casting and Pb added at variety proportions....
Conference Paper
Full-text available
The influence of Ti addition (up to 2wt%) on corrosion behavior of homogenized and heat treated AA6063 Aluminum alloy prepared by metal mold casting has been investigated in a 30 g/l NaCl + 10 ml/l HCl acid solution by mass loss testing. Cross section images were examined by optical microscope. The addition of Ti to the AA6063 alloy led to the prec...
Conference Paper
Full-text available
The purpose of this study is to analyze the microstructure and corrosion properties of the in situ Mg2Si of particle reinforced Mg-%10Al-12Si composite containing up to 2% Pb after the conventional casting technique. Mg-%10Al-12Si composite prepared by metal mold casting has been investigated a seawater (% 3,5 NaCl) by mass loss testing. Composites...
Thesis
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Gaz atomizasyonu, 1920’li yıllardan bu yana demir dışı metallerden toz üretilmesinde kullanılan bir yöntemdir. 1960’lı yılların başında yüksek sıcaklıklara dayanıklı, yüksek mukavemet ve çok düşük genleşme karakteristiklerine sahip alüminyum alaşım tozlarının üretilmesi gaz atomizasyonu ile gerçekleştirilmiştir. Son 20 yıldır gaz atomizasyonu ile...

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