Welding Technology and Nondestructive Testing Research and Application Center (KTTMM)

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Publication (13)
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Author
Gür, Cemil Hakan (10)
Tirkeş, Süha (8)
Batıgün, Caner (4)
Yurtışık, Koray (4)
Önal, Ahmet Muhtar (3)

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Analytical Chemistry (2)
Electrochemistry (2)
General Chemical Engineering (2)
Magnetic barkhausen noise (2)
Mechanical Engineering (2)

Date Issued
2004 - 2009 (5)
2010 - 2016 (12)

Recent Submissions

Non Destructive Determination of Residual Stresses in the Spiral Submerged Arc Welded Steel Pipes
Kaleli, Tuğçe; Gür, Cemil Hakan (2016-06-17)
The residual stress state has a vital effect on the performance and service life of the welded structures. Thus, development of rapid and reliable nondestructive techniques to measure residual stresses is a critical task. ...
Investigating the effects of subsequent weld passes on surface residual stresses in steel weld merits by Magnetic Barkhausen Noise technique
Gür, Cemil Hakan; Erian, Gökhan; Batıgün, Caner; Çam, İbrahim (American Society of Nondestructive Testing, 2016-03-01)
Güç-yoğun Dar Toleranslı Kaynak Yöntemlerinin Endüstriyel İmalata Adaptasyonuna Yönelik 4 Eksenli Manipulator Tasarımı ve Bütünlenmesi
Gür, Cemil Hakan; Ertürk, Murat Tolga; Aydın, Orhan; Özdemir, Arif Atalay; Tirkeş, Süha; Yurtışık, Koray; Kılıç, Zafer; Gurer, Göksu(2014-12-31)
Büyük kütlelere sahip endüstriyel yapı ve ekipmanların kaynaklı imalatlarında, kaynak işleminden önce bir ön-montaj süreci söz konusudur. Bir araya getirilen alt-bütünler, bu ön-montaj aşamasının ardından kaynak marifetiyl...
Numerical and experimental determination of the residual stress state in multipass welded API 5LX70 plates
Garipova, Nuriya; Batıgün, Caner; Gür, Cemil Hakan (2014-01-01)
Residual stres s distributions in multipass welded API SL X70 steel plates were determined by numerical and experimental methods. SYSWELD finite element software was used for numerical simulations. Microstructure variation...
Fatigue Cracking of Hybrid Plasma Gas Metal Arc Welded 2205 Duplex Stainless Steel
Yurtışık, Koray; Tirkeş, Süha (2014-01-01)
Contrary to other keyhole welding applications on duplex stainless steels, a proper cooling time and a dilution were achieved during hybrid plasma gas metal arc welding that provided sufficient reconstructive transformatio...
Numerical and Experimental Determination of the Residual Stress State in Multipass Welded API 5L X70 Plates
Garipova, Nuriya; Batıgün, Caner; Gür, Cemil Hakan (2014-01-01)
Residual stress distributions in multipass welded API 5L X70 steel plates were determined by numerical and experimental methods. SYSWELD finite element software was used for numerical simulations. Microstructure variations...
Birleştirme Kenar Geometrisine Bağlı Gerçek Zamanlı Kaynak Eksen ve Parametre Kontrolü Geliştirilmesi
Gür, Cemil Hakan; Tirkeş, Süha; Yurtışık, Koray; Ertürk, Murat Tolga(2013-12-20)
Kaynak işlemlerinin otomasyonunda açık çevrim kontrol sistemleri yalnızca dar toleransla hazırlanmış birleştirme kenarları ve basit geometrili parçalar için kullanılabilmektedir. Kaynak otomasyonunun yaygınlaşması ve kayna...
Characterization of Duplex Stainless Steel Weld Metals Obtained by Hybrid Plasma-Gas Metal Arc Welding
Yurtışık, Koray; Tirkeş, Süha; Dykhno, Igor; Gür, Cemil Hakan; Gürbüz, Rıza (FapUNIFESP (SciELO), 2013-07-01)
Despite its high efficiency, autogenous keyhole welding is not well-accepted for duplex stainless steels because it causes excessive ferrite in as-welded duplex microstructure, which leads to a degradation in toughness and...
Kaynaklı İmalatların Kontrolünde İleri Ultrasonik Muayene Teknikleriile Hata Tespit Hassasiyetinin Araştırılması Ve Konvansiyonel Ultrasonik Teknikle Karşılaştırılması.
Gür, Cemil Hakan(2012-12-31)
Projenin kapsamı ileri ultrasonik muayene yöntemleriyle hata tespit ve karakterizasyonun konvansiyonel yönteme göre araştırılmasıdır. İlk olarak çeşitli numunelerde hazırlanacak yapay hatalar konvansiyonel tekniklerle ince...
Dp Çeliklerin Plazma Ark Kaynaklı Birleştirilmelerinde Mikroyapı Karakterizasyonu Ve Yorulma Çatlağı İlerleme Tavrının İncelenmesi
Gür, Cemil Hakan(2010-12-31)
AMAÇ VE GEREKÇE Projemizde, dubleks paslanmaz çeliklerinde (DPÇ) vazgeçilmez imalat yöntemlerinden biri olan kaynaklı imalatın verimliliğinin arttırılması ve ulusal endüstrileri, yabancı kaynaklı bilgi-deneyim bağımlılığın...
Non-destructive determination of residual stress state in steel weldments by Magnetic Barkhausen Noise technique
Yelbay, Hasan İlker; Çam, İbrahim; Gür, Cemil Hakan (2010-01-01)
The purpose of this study is non-destructive determination of residual stresses in the welded steel plates by Magnetic Barkhausen Noise (MBN) technique. A MBN-stress calibration set-up and a residual stress measurement sys...
Hot Cracking Susceptibility of Twin Roll Cast Al-Mg Alloy Welds
Tirkes, Sueha; Batıgün, Caner; Ankara, Alpay (2010-01-01)
The hot cracking susceptibility of two different Al-Mg alloys during welding at various applied strains was investigated. At each strain value, the amount of hot cracking susceptibility increased with increasing magnesium ...
Electrochemical polymerization and characterization of polyether-substituted aniline derivatives
Tirkeş, Süha; Cihaner, Atilla; Oenal, Ahmet M. (Wiley, 2007-08-01)
New compounds consisting of aniline units linked by polyether bridges have been synthesized and their electrochemical polymerization was performed via constant potential electrolysis and cyclic voltammetry in an aqueous so...
Electrosynthesis of polyfuran in acetonitrile-boron trifluoride-ethyl ether mixture and its device application
Tirkeş, Süha; Önal, Ahmet Muhtar (Wiley, 2007-01-15)
Electrochemical polymerization of furan was achieved in acetonitrile/boron trifluoride/ethyl ether (CH3 CN/BF3/EE) mixture in the presence of tetrabutylammonium tetrafluoroborate via constant potential electrolysis at 1.4 ...
Roughness coefficient for flood plains with macro roughness elements
Aydın, İbrahim; Kokpinar, M. A.; Ustaomer, M. (2006-09-08)
Manning's roughness coefficient for flood plains with macro roughness elements is experimentally investigated in an 18 m long and 1 m wide laboratory channel. Velocity field was measured in the main and flood plain channel...
Synthesis and polymerization of 2-and 3-substituted thiophene derivatives linked by polyether bridges
Tirkeş, Süha; Cihaner, A; Önal, Ahmet Muhtar (Elsevier BV, 2004-11-15)
New compounds consisting of 2- and 3-thienyl units linked by polyether bridges have been synthesized and their electrochemical polymerization was performed via constant potential electrolysis (CPE) in an electrolytic solut...
Electrochemical polymerization of 9-fluorenone
Cihaner, A; Tirkeş, Süha; Önal, Ahmet Muhtar (Elsevier BV, 2004-07-01)
Electrochemical polymerization of 9-fluorenone, FO, was studied in CH2Cl2 solution with tetrabutylammonium tetrafluoroborate, TBABF(4), as the electrolyte, via constant potential electrolysis, CPE. Prior to CPE, the redox ...
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